Detached Garage Cost in Northern Virginia, VA
Detached Garage in Northern Virginia costs $35–$89 per sq ft in 2026. A typical 576 sq ft project averages $32,625. Northern Virginia pricing runs roughly 18% above the Southeast regional baseline.
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How much does a detached garage cost in Northern Virginia, VA? In Northern Virginia, a detached garage costs $20,390–$50,976 in 2026, with most homeowners paying around $32,625 for a typical 576 sq ft project.
- Per sq ft
- $35–$89
- Typical range
- $20,390–$50,976
- Average
- $32,625
- Labor share
- 45%
Northern Virginia, VA Average Cost (2026)
What Drives Detached Garage Costs in Northern Virginia
Permits & zoning
Northern Virginia detached garage permits vary by jurisdiction — Fairfax County requires roughly a 10-foot rear and side setback for accessory structures, while Arlington's requirements run tighter at roughly 5 feet. DPOR Class A or B contractor licensure is required — verify at dpor.virginia.gov. HOAs govern most of NOVA's planned communities and add a design review step before permitting.
Climate & construction
Northern Virginia's moderate climate (18–24 inch frost depth, no significant snow load concern) keeps foundation costs lower than northern markets. Hot, humid summers mean vinyl or fiber-cement siding outperforms wood for low maintenance on an unconditioned garage.
Local market
A 24×24 two-car garage is common on NOVA's larger suburban lots in Fairfax and Loudoun counties. Costs run 15–20% above the national average, driven by the DC metro's high labor rates — McLean, Great Falls, and Vienna run above the NOVA average for premium finishes.
Information reflects general guidance for Northern Virginia, VA; permit fees, code requirements, and zoning rules change — always confirm with the local building department before starting work.
Cost Breakdown
Based on a 576 sq ft project in Northern Virginia, VA. Actual costs vary by contractor, site conditions, and material choices.
Detached Garage Cost by Size in Northern Virginia
Northern Virginia pricing for common detached garage project sizes (2026).
| Project size | Low | Mid | High |
|---|---|---|---|
| 288 sq ft | $10,195 | $16,312 | $25,488 |
| 576 sq ft | $20,390 | $32,625 | $50,976 |
| 1,152 sq ft | $40,781 | $65,249 | $101,952 |
Based on $35–$89 per sq ft in Northern Virginia, VA. A 1-car garage is ~240 sq ft. A 2-car garage is ~576 sq ft.
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Rates shown are approximate averages as of 2025 and will vary based on your credit score, lender, and loan-to-value ratio. Consult a lender for an accurate quote.
Return on Investment
How much value does a detached garage add to your home at resale?
How Detached Garage compares to other projects
ROI figures based on Remodeling Magazine Cost vs. Value Report 2024, national averages. Actual resale value depends on your market, home price tier, and project quality.
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Frequently Asked Questions
How much does a detached garage cost in Northern Virginia, VA?
In Northern Virginia, VA, a typical 576 sq ft detached garage project costs between $20,390 and $50,976, averaging $32,625. Northern Virginia pricing runs roughly 18% above the Southeast regional baseline.
How much does a 2-car garage cost in Northern Virginia?
BuildCost's 576 sq ft default size is a 2-car garage — it typically costs $20,390–$50,976 in Northern Virginia, VA, averaging $32,625.
Do I need a permit for a detached garage in Northern Virginia?
Northern Virginia detached garage permits vary by jurisdiction — Fairfax County requires roughly a 10-foot rear and side setback for accessory structures, while Arlington's requirements run tighter at roughly 5 feet. DPOR Class A or B contractor licensure is required — verify at dpor.virginia.gov. HOAs govern most of NOVA's planned communities and add a design review step before permitting.
What detached garage size is typical in Northern Virginia?
A 24×24 two-car garage is common on NOVA's larger suburban lots in Fairfax and Loudoun counties. Costs run 15–20% above the national average, driven by the DC metro's high labor rates — McLean, Great Falls, and Vienna run above the NOVA average for premium finishes.
Does a detached garage add value to homes in Northern Virginia?
Nationally, a detached garage recoups about 65% of its cost at resale. For a $32,625 project in Northern Virginia, VA, that's approximately $21,206 in added home value. Resale recovery varies by neighborhood and current market conditions.
Detached Garage Calculators
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Other Project Costs in Northern Virginia
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How big is your Detached Garage?
A 1-car garage is ~240 sq ft. A 2-car garage is ~576 sq ft.
Pro Tips
- Get at least 3 local contractor quotes
- Confirm permit requirements with the city
- Budget 10–20% contingency
- Check contractor license and insurance