Garage Construction & Conversion in DC, Maryland & Virginia
Add parking, storage, or living space with a new garage or garage conversion. Cornerstone Builders & Design builds and converts garages across the DMV.
What We Do
Detached and attached garage construction, garage-to-living space conversions, ADU garage builds, and garage additions with apartments above.
Popular Projects
Two-car garages, garage home offices, in-law suites above garages, and workshop conversions. Includes electrical, insulation, and climate control.
What to Expect
Free design consultation and site evaluation. We handle architectural plans, permits, and all construction. Timelines range from 3–8 weeks depending on scope.
Get Your Free Estimate
No obligation. Response within 24 hours.
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