Detached ADU near McLean, VA

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.

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 ft.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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+.