3 Best ADU Builders in Manassas, Virginia
Verified ADU contractors and builders in Manassas, VA
Showing 1–3 of 3 listings
Hambleton Construction LLC
Transform your Manassas garage into a functional living space with expert conversion services that maximize your home's potential. From design planning through final construction, we specialize in converting garages into bedrooms, home offices, studios, and recreational areas that add value to your property.
Pro-Lift Garage Door Inc.
Transform your garage into functional living space with expert conversion services in the Manassas area, specializing in garage-to-living-space renovations that maximize your home's potential.
Thomas Custom Builders
Specializing in accessory dwelling unit construction throughout the Manassas area, this contractor transforms properties with expertly built ADUs that maximize your home's potential and rental income. From initial design through final inspection, they deliver quality craftsmanship tailored to Virginia's building requirements and your family's needs.
Frequently Asked Questions — ADU Builders in Manassas
How much does it cost to hire an ADU builder in Manassas?
ADU construction costs in Manassas, 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 Manassas to get accurate quotes for your specific project.
How long does it take to build an ADU in Manassas?
In Manassas, 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 Manassas?
Yes, a building permit is required for ADU construction in Manassas, 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 Manassas?
Common ADU types in Manassas 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 Manassas ADU builder can advise on what's allowed on your specific parcel.