6 Best ADU Builders in McLean, Virginia
Verified ADU contractors and builders in McLean, VA
Showing 1–6 of 6 listings
Cosmo Builders
Specializing in garage-to-living-space conversions in McLean, VA, this contractor transforms underutilized garages into functional rooms that add value and livable space to your home. From design through completion, they handle all aspects of converting your garage into a bedroom, office, recreation room, or other living area.
GarageExperts of the DMV
Transform your garage into functional living space with expert conversion services throughout the DMV area. Our McLean-based team specializes in converting garages into bedrooms, home offices, and recreation rooms tailored to your family's needs.
Ideal Construction & Remodeling
Specializing in accessory dwelling unit construction and conversions throughout the McLean area, this contractor delivers expert ADU solutions for homeowners looking to expand their property's potential. From new standalone structures to creative renovations of existing spaces, they bring professional craftsmanship and local expertise to every project.
Sun Design Remodeling
Sun Design Remodeling, a company rooted in appreciating the natural allure of sunlight, has devoted over three decades to transforming homes. Since its inception, the firm has seamlessly blended extensive experience into each home renovation, crafting distinctive solutions tailored to each client’s vision.
US Home Design Build
Specializing in accessory dwelling unit construction in the McLean area, this contractor transforms properties with expertly built ADUs designed to maximize space and increase home value. Whether you're looking to create rental income, expand family living space, or add a guest house, their team delivers quality ADU builds tailored to your property's unique needs.
WINN Design + Build
Transform your underutilized garage into a functional living space with expert garage-to-living-space conversions tailored to McLean homes. Our experienced team handles every detail, from structural modifications to finishing touches, creating seamless additions that enhance both your home's comfort and value.
Frequently Asked Questions — ADU Builders in McLean
How much does it cost to hire an ADU builder in McLean?
ADU construction costs in McLean, 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 McLean to get accurate quotes for your specific project.
How long does it take to build an ADU in McLean?
In McLean, 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 McLean?
Yes, a building permit is required for ADU construction in McLean, 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 McLean?
Common ADU types in McLean 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 McLean ADU builder can advise on what's allowed on your specific parcel.