3 Best ADU Builders in Gaithersburg, Maryland
Verified ADU contractors and builders in Gaithersburg, MD
Showing 1–3 of 3 listings
FineCraft Contractors, Inc.
Transform your underutilized garage into functional living space with expert garage-to-living-space conversions in Gaithersburg and the surrounding area. Our skilled team specializes in converting garages into bedrooms, home offices, studios, and recreational areas with meticulous attention to code compliance and quality craftsmanship.
Makara ADU
Specializing in accessory dwelling unit design and construction throughout the Gaithersburg area, this contractor transforms residential properties with custom ADUs that maximize space and property value. From initial planning through final build-out, they deliver quality additions tailored to your home and budget.
Potomac Garage Solutions
Transform your underutilized garage into functional living space with expert conversion services throughout the Gaithersburg area. We specialize in professional garage-to-living-space conversions, handling everything from structural modifications to finishing work.
Frequently Asked Questions — ADU Builders in Gaithersburg
How much does it cost to hire an ADU builder in Gaithersburg?
ADU construction costs in Gaithersburg, Maryland vary widely depending on size, type, and site conditions. Detached ADUs typically range from $150,000–$400,000+, while garage conversions and attached ADUs can be more affordable. Contact multiple builders in Gaithersburg to get accurate quotes for your specific project.
How long does it take to build an ADU in Gaithersburg?
In Gaithersburg, the ADU construction timeline typically ranges from 6 to 18 months from permit application to move-in. Permitting alone can take 2–6 months depending on Maryland local regulations. Prefab and modular ADUs often have faster timelines than site-built units.
Do I need a permit to build an ADU in Gaithersburg?
Yes, a building permit is required for ADU construction in Gaithersburg, Maryland. Your ADU builder will typically handle the permit application as part of their service. Maryland has adopted streamlined ADU permitting laws in recent years, which may reduce wait times.
What types of ADUs can be built in Gaithersburg?
Common ADU types in Gaithersburg include detached ADUs (backyard cottages), attached ADUs, garage conversions, basement conversions, and prefab/modular ADUs. The best type for your property depends on lot size, zoning, and budget. A local Gaithersburg ADU builder can advise on what's allowed on your specific parcel.