Utility Tap Fees and Impact Fees for Commercial Development in 2026: What They Cost by Metro, and the One Line on a Plumbing Sheet That Can Cost $81,000
Development Costs · Soft Costs · Updated August 2026
Utility Tap Fees and Impact Fees for Commercial Development in 2026: What They Cost by Metro, and the One Line on a Plumbing Sheet That Can Cost $81,000
Capacity fees for a two inch meter range from about $29,000 to about $184,000 depending on which city you are in. Most of that spread is not negotiable. The part that is negotiable is meter size, meter type, and prior use credit, and almost nobody claims it.
The Short Answer
For a 2 inch meter, water plus sewer capacity fees alone run from roughly $29,360 in Raleigh to $184,253 in Phoenix Northwest. That is a 6.3 times spread across metros a national contractor works in every week. Stepping a meter from 1.5 inch to 2 inch costs $81,154 in Las Vegas, $46,222 in Phoenix, $45,460 in Denver, and $17,484 in Fort Worth. In Austin, specifying a 2 inch turbine meter instead of a 2 inch compound meter costs an extra $61,600 at the same nominal size. Meter sizing is the single largest recoverable overspend in the entire category, and it gets decided on a plumbing sheet by someone who has never seen the fee schedule.
Key Takeaways
- A tap fee and a capacity fee are different things. The tap is the physical act of connecting. The capacity fee buys your right to draw water. The capacity fee is almost always the larger number.
- Most capacity fees are the base 5/8 inch fee times an AWWA equivalent meter ratio, where 2 inch equals 8.0. San Antonio charges 14 EDU for the same 2 inch meter, a 75 percent premium over the standard assumption. Never assume AWWA.
- The fee load can flip from utility driven to transportation driven depending on the metro. Phoenix is 65 percent utility capacity. Raleigh is 84 percent transportation.
- In Raleigh, reclassifying 150,000 square feet from Industrial to Warehouse on the application saves $120,576. Same building.
- Prior use credit is the most under claimed money in the category. Austin parcels platted before October 2007 pay $800 to $3,900 per service unit against $7,700 for a post 2023 plat, up to 90 percent off.
- Nashville requires 100 percent of stormwater capacity fees before grading permit approval, which is usually the earliest large cash call on the job and rarely appears in a draw schedule.
- Sheetz v. County of El Dorado, decided unanimously in 2024, ended the categorical immunity legislatively enacted impact fees enjoyed from nexus and proportionality scrutiny.
What This Covers
- The taxonomy, stated precisely
- How the number is actually calculated
- Real published 2026 fees by metro
- Three worked examples
- When the money is due, and what that does to a draw schedule
- Ten reduction strategies that actually work
- The legal framework after Sheetz
- Frequently asked questions
The Taxonomy, Stated Precisely
These are legally and accounting distinct charges. Conflating them is the most common estimating error in the category, and it usually shows up as a budget that carries the tap fee and misses the capacity fee.
| Term | What it actually is | Verified example |
|---|---|---|
| Water tap fee | The price of the physical act of tapping the main and running service to the meter box. A construction service charge. Scales with pipe size, pavement cut, road width | Nashville 2 inch water tap $1,300. Phoenix Full Water Service Fee, 2 inch, $4,152 with paving or $2,953 without |
| Water capacity fee, also called system development charge, impact fee, capital recovery fee, or capital facility fee | Purchase of a share of existing and planned plant, transmission, and supply capacity. Buys the right to draw water. Almost always the largest single line | Denver Water SDC, 2 inch, inside city, $90,305 rising to $103,920 on July 1, 2026 |
| Sewer tap | Physical connection to the sanitary main | Nashville 6 inch sewer tap $360 |
| Sewer capacity fee | Purchase of treatment and collection capacity | Charlotte sewer SDF, 2 inch, $40,525 |
| Electric line extension or contribution in aid of construction | Your contribution toward utility owned facilities built to serve you. Frequently grossed up for the utility's income tax | Tampa CIAC at $2,145 or $2,724 per ERU depending on district |
| Stormwater fee in lieu or capacity fee | Payment instead of on site detention, or purchase of downstream capacity | Nashville stormwater capacity at $0.71 per square foot of post construction impervious area |
| Transportation or thoroughfare impact fee | Your share of roadway capacity, usually calculated from ITE trip generation by land use code | Raleigh Thoroughfare Facility Fee, warehouse, $1,087.54 per 1,000 sf |
| Other impact fees | Fire, police, parks, libraries. Whether commercial pays them varies enormously | Boise charges commercial fire and police only, with parks at zero. Phoenix charges all four |
How The Number Is Actually Calculated
The AWWA Equivalent Meter Ratio, And Where It Breaks
Most capacity fees are the base 5/8 inch fee multiplied by an equivalent meter ratio derived from AWWA safe maximum operating capacity.
| Meter size | Safe max flow, gpm | Standard ratio |
|---|---|---|
| 5/8 inch | 20 | 1.0 |
| 3/4 inch | 30 | 1.5 |
| 1 inch | 50 | 2.5 |
| 1.5 inch | 100 | 5.0 |
| 2 inch | 160 | 8.0 |
| 3 inch | 320 | 16.0 |
| 4 inch | 500 | 25.0 |
| 6 inch | 1,000 | 50.0 |
| 8 inch | 1,600 | 80.0 |
| 10 inch | 2,300 | 115.0 |
Three Places The Ratio Table Does Not Apply
San Antonio Water System uses continuous duty flow EDUs, where a 2 inch meter is 14 EDU rather than 8. That is a 75 percent premium over the AWWA assumption on the identical meter.
Phoenix sets ratios relative to a 3/4 inch base on a continuous flow basis, where 2 inch equals 5.02.
Fort Worth follows AWWA up to 2 inch and then departs, at 21.75 times for 3 inch and 37.5 times for 4 inch. Raleigh does the same above 8 inch.
If you carried a national budget off the AWWA table and the project landed in San Antonio, you are short.
Meter Type: The Hidden Doubler
Austin publishes the clearest example of a factor that almost nobody checks. Service units depend on meter size and meter type.
| Meter | Type | Service units | Cost at $7,700/SU combined |
|---|---|---|---|
| 1.5 inch | Positive displacement | 5 | $38,500 |
| 1.5 inch | Turbine, Class II | 9 | $69,300 |
| 2 inch | Positive displacement | 8 | $61,600 |
| 2 inch | Compound | 8 | $61,600 |
| 2 inch | Turbine, Class II | 16 | $123,200 |
| 4 inch | Compound | 30 | $231,000 |
| 4 inch | Turbine, Class II | 65 | $500,500 |
A 2 inch compound meter costs $61,600 in Austin. A 2 inch turbine Class II costs $123,200. Same nominal size. Turbine meters exist for high continuous flow. Most commercial buildings do not need one. Check the type line on the meter application, not just the size.
Where The Unit Is Gallons Per Day Instead Of A Meter
Flow based jurisdictions turn on the assumed gallons per day in one unit, and that definition varies by more than 40 percent between metros.
| Jurisdiction | Unit name | Gallons per day per unit | 2026 price per unit |
|---|---|---|---|
| Houston | Service unit | 250 gpd | Water $2,553.11 plus wastewater $1,830.24 plus drainage $25.56 equals $4,408.91 |
| Met Council, Twin Cities | SAC unit | 274 gpd | $2,485, held flat for both 2026 and 2027 |
| San Antonio Water System, water | EDU | 290 gpd | $5,470 to $5,704 total water by elevation zone |
| Tampa CIAC | ERU | 300 gpd | $2,145 downtown and south Tampa, $2,724 New Tampa |
| Nashville | Capacity unit | 350 gpd | Water $1,375 plus sewer $2,300 equals $3,675 |
| San Antonio Water System, sewer | EDU | 200 gpd | $1,873 to $5,541 by collection basin |
Where the unit is gallons per day, the negotiation moves from the meter to the projected average daily demand on the utility's own worksheet. That is a different conversation and it happens with a different person.
Real Published 2026 Fees By Metro
All figures for a 2 inch meter unless noted, taken from live published documents with effective dates.
| Metro or agency | Water capacity, 2 in. | Sewer capacity, 2 in. | Transportation fee on industrial or warehouse | Effective |
|---|---|---|---|---|
| Denver Water | $90,305 inside Denver Jan to Jun 2026, $103,920 from Jul 1. Outside $126,420 rising to $145,480 | Separate districts | No citywide transportation impact fee. Has a commercial housing affordability linkage fee | Two step 2026 |
| Fort Worth | $22,592 rising to $23,920 | $21,440 rising to $22,704 | Yes, vehicle mile method. Non residential collected at 40 percent of maximum assessable | Oct 1, 2025 to Oct 1, 2026 |
| Houston | $2,553.11 per service unit, 1 SU equals 250 gpd | $1,830.24/SU plus drainage $25.56/SU | No transportation impact fee. Drainage impact fee instead | Jul 1, 2026, applications complete by Jun 30 keep old rates |
| Austin | $4,800/SU. 2 in. compound equals 8 SU, so $38,400 | $2,900/SU, so $23,200. Combined $61,600 | Street impact fee adopted separately | Tiered by plat date |
| San Antonio, SAWS | 2 in. equals 14 EDU. Total $76,580 to $79,856 by elevation | $26,222 to $77,574 by collection basin | Not SAWS | Jul 1, 2024 |
| Phoenix, Northwest | Transmission $86,653, treatment $27,064, water resources acquisition $12,394 | Collection $33,569, treatment $24,573 | Yes. Warehousing $280, industrial $746, manufacturing $885, office $1,421, retail $2,843 per 1,000 sf. Zero in some service areas | Jun 23, 2025 |
| Nashville | $1,375 per 350 gpd unit. 2 in. tap $1,300 | $2,300 per 350 gpd unit | None found on the MWS schedule. Stormwater capacity $0.71/sf impervious | Schedule revised Jan 2025 |
| Charlotte | SDF $11,622 | SDF $40,525 | Not on the Charlotte Water schedule | Jul 1, 2026 to Jun 30, 2027 |
| Raleigh | WCF $11,576 plus meter install $860 | SCF $17,784 | Yes. Warehouse $1,087.54, industrial $1,891.38, mini warehouse $549.22, office $2,992.25, retail $3,924.62, hospital or medical $4,778.16 per 1,000 sf | FY27, Jul 1, 2026 |
| Tampa | CIAC $2,145/ERU downtown and south Tampa, $2,724/ERU New Tampa. ERU equals 300 gpd. Charged in addition to standard connection fees | Rates change annually Oct 1 | ||
| Twin Cities, Met Council | Water is municipal | Regional SAC $2,485 per unit, 274 gpd. East Bethel $3,185, Elko New Market $4,685 | Not Met Council | 2026 and 2027 both $2,485 |
| Columbus, Ohio | System capacity, 2 in. $1,552, front footage $22.00/LF | 2 in. $27,801. 4 in. $111,203, 6 in. $177,925, 8 in. $311,368. No sewer capacity charged on fire suppression | Apr 1, 2026 | |
| Salt Lake City | Adopted $11,776. Proposed $35,135, up 198 percent, pending council | Proposed meter based $4,300 to $289,235. Stormwater $374 rising to $1,963 per quarter acre | Proposal posted July 2026 | |
| Boise | Water and sewer connection through a private utility | Commercial pays fire and police only, no parks. Industrial $266.01, office $1,197.04, retail $4,968.32 per 1,000 sf, plus a 1 percent CIP surcharge | Oct 1, 2025 | |
| Las Vegas | LVVWD Facilities Connection Charge $18,967 plus SNWA Regional Connection Charge non residential $105,517 equals $124,484. Plus frontage $17/LF, service install $2,391, AMR $104, backflow $1,180 | Mar 1, 2026. SNWA escalates 6.5 percent plus index annually | ||
The Spread
Same Meter, Six Times The Cost
Water plus sewer capacity fees for a single 2 inch meter, 2026 published rates. This is before any transportation, fire, police, park, or stormwater fee.
Terrapin Construction Group, compiled from published 2026 utility fee schedules. Verify against the live schedule before underwriting.
Three Worked Examples
150,000 SF Cold Storage Or Distribution Facility
Assumes a 2 inch domestic meter, separate 8 inch fire line, roughly 10 acres, ITE land use code 150 warehousing.
| Phoenix, Northwest service area | Rate | Amount |
|---|---|---|
| Water transmission, 2 in. non residential | $86,653 | $86,653 |
| Water treatment | $27,064 | $27,064 |
| Water resources acquisition | $12,394 | $12,394 |
| Wastewater collection | $33,569 | $33,569 |
| Wastewater treatment | $24,573 | $24,573 |
| Utility capacity subtotal | $184,253 | |
| Fire impact, industrial | $256 per 1,000 sf | $38,400 |
| Police impact | $70 | $10,500 |
| Parks impact | $28 | $4,200 |
| Libraries impact | $4 | $600 |
| Major arterials, warehousing LUC 150 | $280 | $42,000 |
| Full water service fee, tap and meter set, with paving | $4,152 | $4,152 |
| Total | $284,105, or $1.89 per sf |
| Raleigh, FY27 | Rate | Amount |
|---|---|---|
| Water capital facility fee, 2 in. | $11,576 | $11,576 |
| Sewer capital facility fee, 2 in. | $17,784 | $17,784 |
| 2 in. meter installation | $860 | $860 |
| Thoroughfare facility fee, warehouse | $1,087.54 per 1,000 sf | $163,131 |
| Total | $193,351, or $1.29 per sf |
Note The Inversion
Phoenix's cost is 65 percent utility capacity. Raleigh's is 84 percent transportation. Which means the reduction strategy that works in one metro is nearly useless in the other. And in Raleigh, the land use classification is worth real money: reclassifying 150,000 square feet from Industrial or manufacturing at $1,891.38 to Warehouse at $1,087.54 saves $120,576. Same building. Get the use classification right on the application.
25,000 SF Medical Office Building
| Item | Las Vegas | Raleigh FY27 |
|---|---|---|
| Water capacity, 2 in. | SNWA regional $105,517 plus LVVWD $18,967 | WCF $11,576 |
| Sewer capacity | Separate district, not verified | SCF $17,784 |
| Frontage, service install, AMR, backflow, inspection | $8,960 at 300 LF frontage | Meter $860 |
| Transportation | Not applicable | Hospital and medical care, $4,778.16 per 1,000 sf, so $119,454 |
| Total | $133,444 water side only, $5.34/sf | $149,674, $5.99/sf |
4,000 SF QSR With Drive-Thru
Quick service restaurant is the highest water use per square foot commercial type. Grease, dish, ice, soda. Meter size is the entire ballgame.
| Phoenix Northwest component | 1.5 inch meter | 2 inch meter |
|---|---|---|
| Water transmission | $64,915 | $86,653 |
| Water treatment | $20,275 | $27,064 |
| Wastewater collection | $25,148 | $33,569 |
| Wastewater treatment | $18,408 | $24,573 |
| Water resources acquisition | $9,285 | $12,394 |
| Utility subtotal | $138,031 | $184,253 |
| Fire, police, parks, library at retail rates | $3,388 | $3,388 |
| Major arterials, retail LUC 820 | $11,372 | $11,372 |
| Total | $152,791 | $199,013 |
| Same decision, other metros | 1.5 inch | 2 inch | Cost of one step |
|---|---|---|---|
| Las Vegas, SNWA plus LVVWD | $43,330 | $124,484 | $81,154 |
| Phoenix Northwest, utility only | $138,031 | $184,253 | $46,222 |
| Denver Water, inside city, from Jul 1, 2026 | $58,460 | $103,920 | $45,460 |
| Fort Worth, from Oct 1, 2026 | $29,140 | $46,624 | $17,484 |
For comparison, the same QSR in Raleigh on a 1.5 inch meter: water capacity $7,235 plus sewer capacity $11,115 plus meter $740 plus thoroughfare retail at $3,924.62 times four, for a total of $34,788.
When The Money Is Due
This is the part that wrecks draw schedules, because several of these triggers land well before the construction loan is meaningfully funded.
| Trigger | Verified examples |
|---|---|
| At plat recordation, which sets the rate | SAWS: impact fees are based on the date of plat recordation. Austin: the fee tier is set by plat date, with pre 2007 plats paying $800 to $3,900 per service unit against $7,700 for post October 2023 plats |
| At application or capacity reservation | Houston: the wastewater capacity reservation letter determines whether fees are due, before permit |
| Staged, pre permit | Nashville: 30 percent of water and sewer capacity fees within 90 days of permit creation where public availability applies. Private availability requests require 100 percent payment prior to plan approval |
| Before grading permit | Nashville stormwater capacity: 100 percent required prior to grading permit approval. This is usually the earliest large cash call on the job |
| At permit issuance | Met Council SAC: typically included with the permit or license |
The Draw Schedule Problem
A stormwater capacity fee due at grading permit on a 150,000 square foot facility with 350,000 square feet of post construction impervious area, at Nashville's $0.71 per square foot, is roughly $248,500 payable before a shovel moves. Most construction loan draw schedules do not fund soft costs at that velocity. Either the equity covers it or the schedule slips while the wire clears. Model the fee timing against the draw schedule during underwriting, not during permitting. We build that timing into preconstruction deliverables for exactly this reason.
Ten Reduction Strategies That Actually Work
01
Meter right sizing
The single largest recoverable overspend in the category. Design engineers size meters off peak fixture unit demand with safety factor stacked on safety factor, then round up. The utility charges by the rounded up size, and the fee is nonlinear. One size step from 1.5 inch to 2 inch costs $81,154 in Las Vegas, $46,222 in Phoenix, $45,460 in Denver, and $17,484 in Fort Worth. The counter move is to pull actual metered consumption from a comparable operating facility in the portfolio and make the utility justify the size against measured max day demand rather than theoretical fixture units. Note that Phoenix publishes a reduce size of meter fee, but the capacity fee is generally not refunded on downsizing. Get it right before the meter is set.
02
Meter type, not just size
In Austin, a 2 inch compound meter is 8 service units and a 2 inch turbine Class II is 16. At $7,700 per service unit that is a $61,600 difference at the same nominal size. Turbine meters are for high continuous flow. Check the type line on the application.
03
Irrigation meter separation
Fort Worth states it directly: irrigation meters carry a water fee only, and the wastewater fee does not apply. Splitting irrigation onto its own meter removes irrigation demand from the domestic meter, which shrinks it, and avoids paying sewer capacity on water that never enters the sewer. On a landscaped QSR or medical office pad, this is frequently the difference between a 2 inch and a 1.5 inch domestic meter.
04
Fire line sizing and separation
Columbus charges no sewer system capacity for fire suppression. Phoenix prices firelines and wet taps separately from domestic service. Raleigh prices a 6 inch meter with fire at $10,650 distinctly from a 6 inch domestic meter at $5,950. Never let a fire line be combined into the domestic meter sizing calculation. A combined 6 inch by 2 inch service can be billed as a 6 inch domestic connection.
05
Credits for prior use on redevelopment
The most under claimed money in the entire category. Met Council SAC credits attach to the site and survive tenant turnover. Houston issues Shopping Center Letters enumerating total capacity for every suite, occupied or vacant, and showing remaining capacity. If excess capacity already exists on site, you pay nothing. Verify credits before signing the lease, not after.
06
Reimbursement and oversizing agreements
When the utility requires you to build larger than your project needs, the incremental cost is theirs. Austin charges an oversizing related service extension fee only where staff requests oversizing, which means it is a recognized, separately processed category. Raleigh publishes a dedicated reimbursement schedule and a fees in lieu and infrastructure reimbursement program. Ask for the agreement in writing before you bid the oversized main.
07
Latecomer and recovery agreements
Where you install a main that later serves adjacent parcels, a latecomer agreement entitles you to pro rata reimbursement from subsequent connectors, typically over 10 to 20 years. Raleigh's front foot assessment structure at $62.25 per linear foot for sewer and $44.11 for water is precisely the mechanism by which later benefited owners get charged. Negotiate it at the service extension stage. It is generally unavailable retroactively.
08
Tax increment financing and public improvement districts
Where fees are large enough to break a deal's returns, they can often be reimbursed from tax increment or assessed back through a district, converting a day one cash cost into an assessment paid by the stabilized asset. This is a conversation with the municipality's economic development office, not the utility, and it has to happen before the district is formed.
09
Negotiating contribution in aid of construction
Two levers. First, demand the revenue allowance be calculated on the stabilized load rather than the initial load. A cold storage facility's year three demand justifies a much larger allowance than its year one. Second, determine whether the quote is grossed up for the utility's income tax and whether a safe harbor structure avoids it. On dry utilities the gross up alone can be 20 to 30 percent of the quote. Where the CIAC is a published schedule, as in Tampa, the negotiation shifts entirely to the ERU count on the utility's worksheet.
10
Phasing to defer capacity purchase
Buy only the capacity phase one needs. Two constraints to plan around. SAWS charges at plat recordation and applies current fees to any later request beyond the original plat designation, so phasing in San Antonio trades deferral against escalation risk. Houston caps expedited review at 15 service units and triggers a high impact review above that, so phasing under the threshold materially shortens entitlement. Model the deferral against the published escalation rate. SNWA's is explicit at 6.5 percent plus index, annually.
The Legal Framework After Sheetz
The constitutional line runs through four cases.
- Nollan v. California Coastal Commission (1987). A permit condition must bear an essential nexus to a legitimate government interest. Without one, the condition amounts to extortion.
- Dolan v. City of Tigard (1994). The condition must also be roughly proportional to the development's impact.
- Koontz v. St. Johns River Water Management District (2013). Extended Nollan and Dolan to monetary exactions, not just dedications of land.
- Sheetz v. County of El Dorado (2024). Decided unanimously in April 2024.
Sheetz was required to pay a $23,420 traffic impact fee as a permit condition. The fee was not based on traffic impacts attributable to his particular project. It came off a rate schedule keyed to development type and location. The California courts held that Nollan and Dolan apply only to conditions imposed ad hoc by administrators, not to fees imposed on a class of owners by legislation.
The Holding
"The Takings Clause does not distinguish between legislative and administrative land-use permit conditions." Nothing in constitutional text, history, or precedent supports exempting legislatures from ordinary takings rules. Judgment vacated and remanded.
Here is the practical limit, and it matters. The Court expressly did not decide whether a permit condition imposed on a class of properties must be tailored with the same degree of specificity as a condition targeting a particular development. That question went back to the state courts.
So Sheetz opens the courthouse door but does not invalidate schedule based fees. The realistic leverage is not litigation. It is using the nexus and proportionality framework in negotiation. If your 150,000 square foot cold storage facility generates a fraction of the trips of the warehouse category average, the proportionality argument is materially stronger than it was before 2024, and jurisdictions know it.
Two statutory frameworks worth naming. Texas Local Government Code Chapter 395 governs municipal impact fees, requires a land use assumptions study and a capital improvements plan, mandates a five year update cycle, requires a rate revenue credit, and produces the maximum assessable versus collection rate structure that lets Fort Worth collect non residential transportation at 40 percent of maximum. Texas Chapter 212 prohibits connecting utility service to unplatted land, which is why plat date drives the Austin and San Antonio fee tiers.
Put The Fee Load In The Pro Forma, Not The Change Order
Terrapin Construction Group is a nationwide design build commercial general contractor licensed in all 50 states. We pull the actual published fee schedule for your jurisdiction during preconstruction, model the meter sizing decision against real consumption data, and time the payments against your draw schedule before the deal is underwritten.
Schedule A 30 Minute Call Get An Instant EstimateFrequently Asked Questions
What is the difference between a tap fee and an impact fee?
A tap fee pays for the physical act of tapping the main and running service to your meter box. It scales with pipe size, pavement cut, and road width, and it is usually a few thousand dollars. A capacity or impact fee buys a share of the utility's existing and planned plant, transmission, and treatment capacity. It buys your right to draw water, and it is almost always the largest single line. Nashville's 2 inch water tap is $1,300. Denver Water's 2 inch system development charge is $103,920 from July 2026. Budgets that carry the tap and miss the capacity fee are short by roughly two orders of magnitude.
How much are utility tap and impact fees for a commercial building?
For a 2 inch meter, water plus sewer capacity fees alone run from about $29,360 in Raleigh to about $184,253 in Phoenix Northwest on 2026 published rates, a 6.3 times spread. Add transportation, fire, police, parks, and stormwater fees and a 150,000 square foot warehouse lands around $1.29 per square foot in Raleigh and $1.89 in Phoenix. A 4,000 square foot QSR can carry $35,000 in Raleigh and $199,000 in Phoenix on the same building. Fees reset annually in most jurisdictions, so pull the live schedule.
Why does meter size matter so much?
Because capacity fees are nonlinear in meter size and most utilities use the AWWA equivalent meter ratio, where a 2 inch meter counts as eight 5/8 inch meters. One size step from 1.5 inch to 2 inch costs $81,154 in Las Vegas, $46,222 in Phoenix, $45,460 in Denver, and $17,484 in Fort Worth. Design engineers size off peak fixture unit demand with stacked safety factors and then round up, and the utility charges by the rounded up size. Downsizing later usually refunds only the meter differential, not the capacity fee.
Can I get credit for the building that was there before?
Usually yes, and this is the most under claimed money in the category. Met Council SAC credits attach to the site and survive tenant turnover. Houston issues Shopping Center Letters that enumerate total capacity for every suite, occupied or vacant, and show remaining capacity, so if excess capacity already exists you may pay nothing. Austin's plat date tier functions as a credit, with pre October 2007 plats paying $800 to $3,900 per service unit against $7,700 for a post 2023 plat. Verify credits before signing the lease, not after.
Do I pay sewer capacity fees on my irrigation meter?
Not if you separate it. Fort Worth states that irrigation meters carry a water fee only and the wastewater fee does not apply. Separating irrigation onto its own meter does two things: it removes irrigation demand from the domestic meter, which can shrink it a full size, and it avoids paying sewer capacity on water that never enters the sewer. On a landscaped pad site this is frequently the difference between a 2 inch and a 1.5 inch domestic meter, which is tens of thousands of dollars.
Do fire lines trigger capacity fees?
It depends on the jurisdiction, and the answer is worth checking. Columbus, Ohio charges no sewer system capacity for fire suppression at all. Phoenix prices firelines and wet taps separately from domestic service. Raleigh prices a 6 inch meter with fire distinctly from a 6 inch domestic meter. The trap is letting the fire line get combined into the domestic meter sizing calculation, because a combined 6 inch by 2 inch service can end up billed as a 6 inch domestic connection.
When do I actually have to pay these fees?
Earlier than most draw schedules assume. San Antonio and Austin set the rate at plat recordation. Houston determines whether fees are due at the capacity reservation letter, before permit. Nashville requires 30 percent of water and sewer capacity fees within 90 days of permit creation, 100 percent before plan approval on private availability requests, and 100 percent of stormwater capacity fees prior to grading permit approval. That last one is usually the earliest large cash call on the job, and on a 150,000 square foot facility with 350,000 square feet of impervious area it is roughly $248,500 payable before a shovel moves.
Does the land use classification on my application matter?
Enormously, where transportation impact fees apply, because they are derived from ITE trip generation by land use code. In Raleigh, warehouse is $1,087.54 per 1,000 square feet and industrial or manufacturing is $1,891.38. On a 150,000 square foot building that difference is $120,576. In Phoenix, warehousing is $280 per 1,000 square feet, industrial is $746, manufacturing is $885, office is $1,421, and retail is $2,843. Get the classification right on the application, and be prepared to support it with the actual operating profile.
Can I negotiate impact fees down?
Schedule based fees are rarely negotiable as a rate, but several things around them are. Meter size and type are engineering decisions you control. Prior use credit is a documentation exercise. Oversizing and latecomer reimbursements are contractual and have to be secured before you build. Contribution in aid of construction on dry utilities is genuinely negotiable, both on the revenue allowance basis and on whether the quote is grossed up for the utility's income tax. And after Sheetz, the nexus and proportionality framework gives a proportionality argument real force in a negotiation, even though it rarely justifies litigation.
What did Sheetz v. County of El Dorado change?
It ended the categorical immunity that legislatively enacted impact fees enjoyed from constitutional scrutiny. Decided unanimously in April 2024, the Court held that the Takings Clause does not distinguish between legislative and administrative land use permit conditions, so a fee schedule adopted by ordinance is subject to nexus and rough proportionality analysis in principle. What it expressly did not decide is whether a fee imposed on a class of properties must be tailored with the same specificity as one targeting a single development. That question went back to the state courts, which means Sheetz opens the door without invalidating schedule based fees. This is general information, not legal advice. Consult your own counsel before relying on it.
Sources And Further Reading
- Denver Water 2026 System Development Charges
- City of Raleigh FY27 Development Fee Guide
- Raleigh Thoroughfare Facility Fees
- Phoenix FY2025-26 Impact Fee Annual Report, Schedules C and F
- Phoenix Full Water Service Fee, tap and meter installation
- City of Boise FY2026 Impact Fee Schedule
- Houston notice of impact fee increase, July 1, 2026
- Houston Impact Fee Administration, service unit methodology
- SAWS Impact Fee by Meter Size chart, EDU counts
- SAWS impact fee component rates by elevation zone and collection basin
- Metropolitan Council SAC rates and charges, 2026 and 2027
- Salt Lake City adopted and proposed impact fees
- Austin Water capital recovery fees by plat date tier
- Austin 2023 Impact Fee Report, service units by meter size and type
- Nashville Metro Water Services fee schedule
- Nashville Multifamily and Commercial Development Guide, payment staging
- Las Vegas Valley Water District Appendix I, connection charges and SNWA regional charge
- Sheetz v. County of El Dorado, 601 U.S. 267 (2024), slip opinion
- ITE Trip Generation Manual, 12th Edition
- Charlotte Water FY2027 System Development Fees
- Fort Worth water and wastewater impact fees
- Fort Worth transportation impact fees, LUVMET method
- Columbus sanitary sewer capacity charges and the fire suppression exemption
- City of Tampa Contribution in Aid of Construction
- AWWA publications, M1 and M6 and the C700 series meter standards
Terrapin Construction Group is a nationwide design build commercial general contractor headquartered in Denver, Colorado, licensed in all 50 states, and a Procore Certified Contractor. We work in the $1M to $30M project range across cold storage, food processing, industrial, healthcare, hospitality, and retail.
Every fee in this article was taken from a live published schedule with a stated effective date, and nearly all of them reset annually. Confirm against the current schedule before relying on any figure. Dallas, Atlanta, and Orlando are omitted because their schedules could not be verified. This article is factual cost information, not legal advice or a financial recommendation. Constitutional and statutory questions about impact fees should be directed to your own counsel.
