2 Best ADU Builders in Vienna, Virginia
Verified ADU contractors and builders in Vienna, VA
Showing 1–2 of 2 listings
Commonwealth Home Design
Transform your Vienna garage into functional living space with expert conversion services tailored to maximize your home's potential. From design to completion, we deliver quality garage-to-living-space conversions that add value and usable square footage to your Northern Virginia home.
My Kitchen and Bath
Specializing in accessory dwelling unit construction in Vienna, VA, this contractor transforms residential properties into multi-unit homes with expert design and quality craftsmanship. Whether you're adding an in-law suite, guest house, or rental unit to your property, they deliver seamless ADU builds tailored to local codes and your family's needs.
Frequently Asked Questions — ADU Builders in Vienna
How much does it cost to hire an ADU builder in Vienna?
ADU construction costs in Vienna, 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 Vienna to get accurate quotes for your specific project.
How long does it take to build an ADU in Vienna?
In Vienna, 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 Vienna?
Yes, a building permit is required for ADU construction in Vienna, 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 Vienna?
Common ADU types in Vienna 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 Vienna ADU builder can advise on what's allowed on your specific parcel.