ADU Contractor in Fairfax, Virginia
Verified adu contractor businesses in Fairfax, VA
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Michael Nash Design & Build
Specializing in accessory dwelling unit construction throughout the Fairfax area, this contractor brings expert design and build services to homeowners looking to add rental income potential or multi-generational living space to their properties. From initial planning through final completion, they handle all aspects of ADU development with attention to local building codes and quality craftsmanship.
Renewal Homes Remodeling
Specializing in accessory dwelling unit construction throughout the Fairfax area, this contractor helps homeowners add rental or guest living spaces to their properties with expert design and quality craftsmanship. From initial planning through final completion, they handle all aspects of ADU development to maximize your property's potential and value.
Frequently Asked Questions — ADU Builders in Fairfax
How much does it cost to hire an ADU builder in Fairfax?
ADU construction costs in Fairfax, Virginia 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 Fairfax to get accurate quotes for your specific project.
How long does it take to build an ADU in Fairfax?
In Fairfax, 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 Virginia local regulations. Prefab and modular ADUs often have faster timelines than site-built units.
Do I need a permit to build an ADU in Fairfax?
Yes, a building permit is required for ADU construction in Fairfax, Virginia. Your ADU builder will typically handle the permit application as part of their service. Virginia has adopted streamlined ADU permitting laws in recent years, which may reduce wait times.
What types of ADUs can be built in Fairfax?
Common ADU types in Fairfax 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 Fairfax ADU builder can advise on what's allowed on your specific parcel.