Washington DC Commercial General Contractor & Design-Build
Terrapin Construction Group is the DC metro's integrated design-build general contractor, delivering commercial construction across Washington DC, Northern Virginia, Maryland, and 38 states with in-house architecture, engineering, preconstruction, and self-performing specialty trades.
DC Metro Construction Cost Estimator
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Washington DC's Integrated Design-Build General Contractor
Terrapin Construction Group serves the Washington DC metro from One Franklin Square, 1301 K St NW, Washington, DC 20005 as an integrated commercial general contractor operating across 38 states. We bring national-scale resources and deep construction expertise to every project in the DMV, from Georgetown and Capitol Hill to Navy Yard, the Wharf, Tysons, Arlington, Bethesda, and the Northern Virginia data center corridor.
What sets TCG apart is a fully integrated model. We do not just manage subcontractors: we provide in-house architectural design, structural engineering, MEP engineering, preconstruction, and construction management under one design-build contract. We self-perform IMP installation, PEMB erection, commercial roofing, commercial flooring, and equipment procurement.
Our team understands the DC metro's complex regulatory landscape: DC permitting and historic preservation in the District, Virginia DPOR licensing and county review in Northern Virginia, and Maryland building codes. We know the tri-jurisdictional subcontractor market, Davis-Bacon prevailing wage, the strong union presence in DC and Maryland, DC height restrictions, aggressive stormwater management, Mid-Atlantic freeze-thaw cycles, and the world's largest data center corridor in Northern Virginia.
Washington DC Construction by Sector
TCG builds across every commercial sector in the DC metro, Northern Virginia, and Maryland. Each sector page carries its own AI cost estimator, DC-specific guidance, and Virginia and Maryland market detail.
Full-Service Construction Capability in Washington DC
TCG delivers every service under one contract, from in-house design and engineering through self-performed specialty trades. This is the integrated model that makes design-build faster in the DC metro.
IMP Installation, Roofing, PEMB & Flooring in Washington DC
TCG self-performs several critical scopes that most general contractors subcontract, giving us direct control over cost, quality, and schedule on the trades that matter most.
Insulated Metal Panel (IMP) Installation. TCG has installed over 1,000,000 SF of IMP across 38 states. The Northern Virginia data center market (the world's largest) is the primary driver of regional IMP demand, along with cold storage, manufacturing, and cleanroom and lab environments. Use our IMP estimator.
Commercial Roofing. The Mid-Atlantic's freeze-thaw cycles, nor'easters, and hurricane-season storms demand robust roofing. TCG installs TPO, EPDM, modified bitumen, standing seam metal, and built-up systems across DC, Virginia, and Maryland.
Pre-Engineered Metal Buildings (PEMB). PEMBs are the most cost-effective structure for DC-area warehouses, distribution, manufacturing, and self storage. The I-95, I-66, and I-270 corridors drive strong demand across Northern Virginia and Maryland.
Commercial Flooring. TCG self-performs polished concrete, epoxy, resinous, VCT, LVT, carpet tile, and specialty systems for healthcare, warehouses, restaurants, and labs.
TCG Building Sectors Nationwide
Beyond our DC metro focus, TCG builds across every commercial sector in 38 states. Explore our national expertise pages for sector-specific cost data and capabilities.
Proven in the DC Region, Active Across Virginia
TCG's regional project record includes cannabis and controlled-environment work in the Maryland suburbs of the capital: Peake Releaf, a 140,000 SF cannabis facility preconstruction engagement in Hagerstown, and Holistic Industries, a construction management project in Rockville for the Washington DC headquartered multi-state operator.
Across the Potomac, TCG actively serves the Virginia market, from the Northern Virginia data center corridor in Loudoun County to statewide commercial work coordinated with our Richmond and Virginia Beach teams. Virginia is central to our Mid-Atlantic footprint, and the data center, life sciences, and distribution sectors driving the Commonwealth are core TCG expertise. See the full TCG project portfolio for work across all sectors and states.
How Much Does Commercial Construction Cost in Washington DC?
The DC metro carries a regional cost multiplier of approximately 1.15 to 1.30x versus the national average, reflecting prevailing wage, union labor rates (particularly in DC and Maryland), complex tri-jurisdictional permitting, and high land and logistics costs. DC is more expensive than most Sun Belt markets but comparable to other Northeast corridors and more affordable than Manhattan.
DC metro construction costs by type: warehouses $100 to $200/SF, offices $180 to $420/SF, restaurants $230 to $470/SF, medical $240 to $580/SF, self storage $32 to $140/NRSF, tenant improvements $38 to $580/SF depending on use, data centers $360 to $1,500/SF, manufacturing $120 to $580/SF, cold storage $150 to $360/SF, and life sciences $400 to $1,000+/SF. For national baselines, see our commercial construction costs guide and cost per square foot by building type.
Key DC-specific cost factors include Davis-Bacon prevailing wage on federal work, union rates in DC and Maryland, DC permitting (6 to 14 weeks, longer for historic districts), historic preservation review, Northern Virginia data center demand creating labor competition, and Mid-Atlantic freeze-thaw affecting envelope design. Use our AI estimator above, or schedule a meeting with our preconstruction team.
Washington DC Frequently Asked Questions
Common questions about building in the DC metro. Visit our full FAQ page for 70+ questions.
DC metro costs range from $100 to $200/SF for warehouses to $360 to $1,500/SF for data centers. The regional multiplier is 1.15 to 1.30x the national average, driven by prevailing wage, union labor, and complex permitting. Use our AI estimator or general estimator.
All commercial sectors: data centers, life sciences and labs, cannabis facilities, medical offices, cold storage, restaurants, and adaptive reuse, plus warehouses, self storage, and tenant improvements.
Federal construction requires Davis-Bacon prevailing wages. The District also requires prevailing wages on most public and publicly assisted projects, and Maryland and Virginia have their own frameworks for state-funded work. The DC metro is a strong union market, particularly inside the District and in Maryland. TCG has extensive experience managing prevailing wage and union projects nationwide.
Design-build combines design and construction under one contract: 15 to 30 percent faster, single-point accountability, and fewer change orders. In the DC metro's high-cost, prevailing-wage environment, schedule compression translates directly to labor savings.
Yes. The Ashburn, Sterling, and Leesburg corridor in Loudoun County, Virginia is the largest data center market in the world, hosting over 300 data centers with more than 2 gigawatts of critical IT load. TCG provides design-build data center construction with critical power, precision cooling, and IMP envelope systems.
Yes. Washington DC has extensive historic preservation requirements through the DC Historic Preservation Office and the Commission of Fine Arts, and federal properties require Section 106 compliance. TCG has experience with historic renovation and adaptive reuse, including Federal Historic Tax Credit coordination.
Yes. TCG self-performs IMP installation with over 1,000,000 SF installed across 38 states. The Northern Virginia data center market is the primary driver of DC-area IMP demand, along with cold storage, manufacturing, and cleanrooms. Use our IMP estimator.
Yes. TCG's DC-region record includes Peake Releaf, a 140,000 SF cannabis facility preconstruction engagement in Hagerstown, Maryland, and Holistic Industries, a construction management project in Rockville, Maryland for the Washington DC headquartered multi-state operator. TCG also actively serves the Northern Virginia data center corridor and the broader Virginia market. See the full TCG project portfolio.
The entire DC metro: Georgetown, Capitol Hill, Dupont Circle, Shaw, Navy Yard, the Wharf, NoMa, and all DC neighborhoods, plus Arlington, Alexandria, Tysons, Reston, Fairfax, Ashburn, and Sterling in Virginia and Bethesda, Silver Spring, Rockville, Columbia, and Frederick in Maryland. We also serve Richmond, Virginia Beach, and throughout the Mid-Atlantic.
Commercial Construction Guides & Pillar Resources
Planning a DC metro project? Start with our in-depth owner resources: Commercial Construction Costs Guide·Construction Process & Delivery Guide·Building Systems & Specialty Trade Guide·Construction Finance & Owner Advisory Guide·Permitting Timeline Guide·Construction Loan Qualifier.
TCG Commercial General Contractor Locations
Terrapin Construction Group serves all 50 states from regional offices nationwide. A few of our other metro markets:
Let's Build in Washington DC
From Georgetown to Tysons, from restaurants to data centers, TCG is the DC metro's integrated design-build general contractor. Let us talk about your project.
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