Construction Management
Your Interests, Enforced
Terrapin Construction Group puts your project in expert hands as your advocate from planning through completion: open book cost controls, competitive trade bidding, and a single point of accountability. Projects completed in 38 states, licensed in all 50, with more than one million square feet delivered through preconstruction, CM, owner's representation, and design-build.
A construction manager runs a commercial project on the owner's behalf: budget, schedule, subcontractor coordination, quality, safety, and communication from preconstruction through closeout, as the owner's single point of accountability. CM fees typically run 2 to 4.5 percent of total project cost, general conditions add 6 to 12 percent, and open book delivery means the owner sees every bid and invoice in real time. TCG delivers agency CM, CMAR, and full design-build, and will recommend whichever model fits your project.
Last updated: July 21, 2026 • Reviewed by TCG OperationsConstruction Management Cost Estimator
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What Construction Management Actually Buys You
Construction management puts a professional advocate between the owner and everything that can go wrong: budget drift, schedule slip, scope gaps, and trade disputes. The CM leads preconstruction, runs open book bidding, manages the site daily, and answers to the owner alone, for a disclosed fee instead of a markup buried in a lump sum.
Construction is complex, and schedules, budgets, and compliance get off track fast without the right leadership. TCG's CM practice is built on four things: owner advocacy first (we act as your eyes and ears in the field, extending into full owner's rep services), transparent cost controls (open book accounting and competitive trade bidding backed by rigorous preconstruction budgeting), risk mitigation (proactive risk management, safety, and compliance oversight), and accelerated delivery (management strategies plus AI assisted scheduling that routinely shave weeks off baseline). Before you build anything, read how the best GCs manage risk, budget, and schedule.
Control vs. Certainty: Where Each Delivery Model Sits
Choosing a delivery model is choosing what you optimize for. Agency CM maximizes owner control and transparency; lump sum maximizes price certainty; CMAR and design-build trade between them. Mapped honestly:
Reading the chart: there is no best model, only a best fit. TCG delivers every model on this chart and recommends based on design completeness, schedule pressure, and your financing. Full analysis: cost plus vs. GMP vs. lump sum and design-build vs. CMAR vs. design-bid-build.
| Delivery Model | Fee Structure | Who Holds Cost Risk | Best Fit |
|---|---|---|---|
| Agency CM | 2 to 4.5 percent fee | Owner (holds trade contracts) | Complex, multi phase work needing maximum transparency and design influence |
| CMAR | Fee + GMP | CM, above the GMP | Design underway, owner wants cost certainty with open book visibility |
| Design-Build | Single contract, GMP or lump sum | Design-builder | Speed and single source accountability, compressed schedules |
| GC Lump Sum | Fixed price, fee embedded | General contractor | Complete drawings, well defined scope, price certainty over flexibility |
| Cost Plus | Actual cost + fee | Owner | Evolving scope, fast starts, trusted relationships |
| Owner's Rep | 2 to 5 percent advisory | Owner | Oversight of the GC, architect, and vendors on the owner's behalf |
Comparing bids across models is where owners get burned: read why you must compare bids apples to apples and how to read a commercial GC bid, or upload yours to the free Bid Review tool.
Construction Management Fee Benchmarks
CM fees in 2026 typically run 2 to 4.5 percent of total project cost. Larger, well defined projects sit near the bottom of the range; smaller or more complex projects sit near the top. General conditions add 6 to 12 percent depending on duration and staffing, and are itemized line by line in open book delivery.
| Project Profile | Typical CM Fee | Why | Related Guide |
|---|---|---|---|
| $2M to $5M tenant improvement | 3.5 to 4.5 percent | Fixed management cost over a smaller base | TI buildout costs |
| $5M to $15M single building | 3 to 4 percent | Standard staffing, single phase logistics | Cost per SF by type |
| $15M to $30M complex facility | 2.5 to 3.5 percent | Scale efficiency offset by technical scope | Food processing costs |
| $30M+ multi phase development | 2 to 3 percent | Long duration, dedicated team, phased buyout | Ground up timelines |
| Multi state program rollout | 2.5 to 3.5 percent | Prototype repetition against multi market logistics | QSR prototype costs |
| General conditions (all profiles) | 6 to 12 percent | Supervision, temp facilities, safety, insurance, duration driven | Contingency by project type |
| Owner's representative | 2 to 5 percent | Advisory oversight without direct trade management | Owner's Rep services |
Lender facing cost structures map to draw schedules, retainage mechanics, and lien waiver requirements. Full pricing context in the master cost guide and the Finance and Owner Advisory pillar.
How TCG Runs a CM Engagement
Case Study Highlights by Sector
A sample of TCG construction management and delivery work across the country. Full portfolio on the Projects page.
Every Asset Class, Every Major Market
TCG's CM portfolio spans the full commercial spectrum, with vertical specific playbooks for each:
And in the metros where owners search for CM support most, each with local cost, permitting, and market context:
Plan With Confidence: TCG's Resource Library
Construction Management Questions, Answered
Still have questions? Visit the general FAQ, contact TCG, or schedule a meeting now.
A construction manager oversees every aspect of a commercial project on the owner's behalf: budget, schedule, subcontractor coordination, quality control, safety, and owner communication from preconstruction through closeout. The CM is the owner's single point of accountability and advocate throughout delivery.
In CMAR delivery the construction manager joins during design, then provides a Guaranteed Maximum Price and assumes financial risk for cost overruns above the GMP. It aligns the CM's incentives with the owner's while keeping the transparency of open book cost reporting.
In agency CM the construction manager acts purely as the owner's agent for a professional fee, managing design coordination, bidding, and construction while trade contracts are held directly by the owner. The owner keeps maximum control and transparency but also retains cost risk.
A CM typically acts as the owner's agent and manages trades on the owner's behalf, while a general contractor holds all subcontracts directly and delivers for a lump sum or GMP. CM delivery gives owners more control and transparency, and GC lump sum gives more price certainty. TCG offers both.
CM fees typically run 2 to 4.5 percent of total project cost. Larger, well defined projects sit near 2 to 3 percent, while smaller or more complex projects sit near 3.5 to 4.5 percent. General conditions add another 6 to 12 percent depending on duration and staffing, and owner's representative services run 2 to 5 percent.
Open book CM means the owner sees every subcontractor bid, vendor invoice, labor cost, and project expense in real time. The CM fee is disclosed up front, and savings against the GMP can be shared per contract terms. Open book is TCG's default approach.
Hire a CM when the project is complex, schedule driven, multi phase, or when you want maximum cost transparency and design influence. Hire a GC under a lump sum contract when design is complete, scope is well defined, and you prefer price certainty over flexibility. TCG offers both delivery models and will recommend the one that fits.
TCG manages projects from $2M tenant improvements to $100M plus multi phase commercial developments across all 50 states, spanning cold storage, industrial, healthcare, hospitality, cannabis, data centers, and retail rollouts.
An owner's representative advises the owner and oversees the GC, architect, and vendors but does not direct the trades day to day, with fees running 2 to 5 percent. A CM actively manages the trades, schedule, and site. TCG provides both, and on many projects the owner's rep scope transitions into full CM as construction begins.
Yes. TCG's CM engagements begin with preconstruction: progressive cost opinions, constructability review, value engineering, permitting strategy, and long lead procurement planning, so the budget and schedule are validated before trades mobilize.
Every trade package is competitively bid to prequalified subcontractors from our nationwide network, leveled apples to apples, and reviewed with the owner in open book format before award. Owners see every number and participate in every award decision.
Through critical path scheduling, long lead procurement of items like switchgear and structural steel, proactive submittal and RFI management, and weekly look ahead planning with trades. TCG's AI assisted scheduling tools flag drift early, routinely saving weeks against baseline.
Yes. TCG has completed projects in 38 states, is licensed in all 50, and runs CM engagements coast to coast with offices in Denver, Houston, Albany, and Sheridan, supported by a national prequalified subcontractor network.
Run the AI estimator on this page, schedule an intro call on Calendly, or email info@terrapincg.com with project details. TCG typically returns a CM proposal within 3 business days, including fee, general conditions, staffing plan, and preconstruction scope.
Build With Confidence
Whether you are planning a cold storage facility, a hospitality renovation, or a multi state retail rollout, TCG unites architecture, engineering, and construction under one roof: one partner, every phase, coast to coast. Learn more about TCG or join the referral program.
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