Detached ADU near Rockville, MD

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.

Home Perfection Contracting helps Northern Virginia homeowners plan accessory dwelling units, basement conversions, additions and in-law suites across Arlington and Fairfax County, navigating local zoning rules to turn design ideas into buildable,... read more

Hammer Contractors builds ADUs in Washington DC, including detached units, garage conversions, and basement apartments. They handle zoning compliance, permits, and full construction, helping homeowners add rental income or family living space.

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

Finecraft Contractors is a Washington D.C.-based general contracting company with 35+ years in residential renovation. Services include kitchen remodels, bathroom upgrades, room additions, and full home gut renovations, backed by transparent proje... read more

Carbide Construction offers modular additions, ADUs, in-law suites, and ADA-compliant builds in Northern Virginia. Since 2002, they manage design to installation, working with top manufacturers for custom, eco-friendly prefab home solutions.

Montgomery County ADUs: ZTA 19-01 expanded accessory dwelling unit rules, removing bans on detached ADUs on small lots, lifting distance restrictions, easing parking near transit, and allowing garage conversions. Short-term rentals on ADU properti... read more

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

Four Brothers Design + Build specializes in Accessory Dwelling Units (ADUs) across DC, Northern Virginia & Maryland. Services include basement apartments, garage conversions, in-law suites & detached ADUs.

Back Creek Builders constructs ADUs and in-law suites in Maryland, handling design, permitting, and build. Project types include garage conversions, detached cottages, and basement suites. Founded by Eric Young and Jason Gelblum, they manage zonin... read more

Ideal Construction & Remodeling, a licensed ADU contractor in McLean, VA, builds accessory dwelling units across Northern Virginia, Maryland and D.C. Services include design consultation, permitting and construction for detached, attached or c... read more

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

Glickman Design Build offers full-service ADU design and construction, including detached ADUs, granny flats, in-law suites & basement conversions. They handle permits, sustainable building, multigenerational layouts, remodeling, and rental in... read more

UP Craftsmen is a licensed ADU builder in Montgomery County, MD, specializing in accessory dwelling units, home additions, and remodeling. They offer Home, Professional, and Studio Series ADUs, plus full construction services. MHIC License #015138... read more

JBL Construct LLC builds Accessory Dwelling Units (ADUs) in Northern Virginia, handling zoning, permits, design, and construction. Services cover basement conversions, garage conversions, and detached cottages. Costs range from $275–$400+ per sq... read more