Makara ADU

15800 Gaither Drive, Gaithersburg, MD 20877 28.3 miles

Makara Builders is Washington DC's leading ADU contractor, specializing in detached ADUs, garage conversions, and granny flats across DC, Maryland, and Virginia. Build in 120 days from permit approval and start earning rental income fast.

Halsey Homes

King George, VA 36.5 miles

25 years in business

Halsey Homes builds custom ADUs in Fredericksburg, VA—detached units, in-law suites, granny flats & garage conversions. With 25+ years of experience, voted Best Builder 2025. Expert ADU contractor handling design through completion.

Spear Builders of Virginia

6901 Meeting Street, Spotsylvania Courthouse, VA 22553 37.5 miles

Luxury Builds

Spear Builders of Virginia completed a custom garage with in-law suite (ADU) in Charlottesville, VA. Features include multi-bay garage, dormer windows, cupola, stone veneer, and a private second-floor living space compliant with local zoning.

Ben Norkin Architecture

7204 Trescott Avenue, Takoma Park, MD 20912 31.2 miles

Ben Norkin Architecture outlines ADU permit drawing requirements in Montgomery County, MD, covering site plans, zoning, drainage, floor plans, structural drawings, and energy compliance for detached ADUs, garage conversions, and backyard cottages.... read more

Thomas Custom Builders

9058 Euclid Avenue, Manassas, VA 20110 1.6 miles

Thomas Custom Builders designs & builds ADUs in Virginia, including detached units & in-law suites. Ideal for multigenerational living, rental income, or added property value. Experienced ADU contractor handling full construction, code com... read more

Capital Dwelling

4812 W Street Northwest, Washington, DC 20007 25.7 miles

Licensed 40 years in business

Capital Dwelling is a Washington DC-based ADU specialist helping homeowners in the DMV region plan, design, and build accessory dwelling units. Services include feasibility assessments, permitting, architectural design, and construction management... read more

Oztan Studio

909 Rose Avenue, North Bethesda, MD 20852 28.8 miles

Oztan Studio offers ADU design services in Arlington, VA. ADUs boost property value, enable rental income & multigenerational living. Arlington requires specific zoning, size & parking rules. Costs range from $100K–$300K+.

Other cities in Virginia

What you need to know

Searching for top Detached ADU ADU Contractors in Manassas, Virginia? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).

Working with a qualified Detached ADU ADU Contractor in Manassas ensures your ADU project meets local building codes, zoning laws, and permit requirements. Whether you're planning a detached ADU, garage conversion, or backyard cottage, experienced Detached ADU professionals can guide you through every step.

Manassas homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Detached ADU experts featured here bring local expertise and proven experience to help make your project a success.

Browse our listings to find the best Detached ADU ADU Contractors in Manassas, Virginia, and get started today.

Detached ADU near Manassas, VA