Detached ADU near Washington, DC

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 zoning compliance and full construction.

Doug Pruett Construction Company, Inc. is a full-service ADU contractor specializing in detached ADUs, garage conversions, backyard cottages, and in-law suites. They manage design, permitting, and construction in-house, ensuring code compliance and efficient project delivery.

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.

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 properties remain prohibited.

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 project management.

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.

BBCDC Construction & General Contractors specializes in ADU development in Washington, DC, managing zoning compliance, permits, and construction for detached, semi-detached, and attached accessory dwelling units across all residential zones.

Excell Homes is a Northern Virginia ADU builder with 20+ years experience. They offer turnkey accessory dwelling units in Fairfax, Arlington & Alexandria, covering design, permitting & construction under one fixed-price contract.

FineCraft Contractors, Inc. is a general contracting firm with nearly 40 years of experience in home renovations, kitchen remodels, room additions, and more. Known for quality craftsmanship, transparent communication, and on-budget delivery.

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.

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 #0151386.

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.

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 income optimization.

Gold Rhino Modular Homes & Buildings offers innovative solutions, customizable designs, ready-to-ship units, and pre-configured packages for containerized modular homes, multi-unit modular structures, modular container offices, and commercial/industrial modular applications.