Capital Dwelling

4812 W Street Northwest, Washington, DC 20007 3.2 miles

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.

Excell Homes

16021 Industrial Drive, Gaithersburg, MD 20877 17.6 miles

Licensed 20 years in business

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.

Back Creek Builders

1767 Baltimore Annapolis Blvd, Bowie, MD 21.6 miles

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.

FineCraft Contractors, Inc.

104 Summit Hall Road, Gaithersburg, MD 20877 18.3 miles

38 years in business In-House Architect

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.

Glickman Design Build

15757 Crabbs Branch Way, Rockville, MD 20855 14.9 miles

Eco-Friendly

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.

UP Craftsmen

9108 Kingsbury Drive, Silver Spring, MD 20910 9.4 miles

Licensed

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.

Halsey Homes

King George, VA 41.6 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.

Ben Norkin Architecture

7204 Trescott Avenue, Takoma Park, MD 20912 9.3 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.

Carbide Construction

7901 Kincannon Place, Lorton, VA 22079 10.3 miles

22 years in business Prefab Specialist Eco-Friendly

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.

Four Brothers Design + Build

4009 Georgia Avenue Northwest, Washington, DC 20011 7.1 miles

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

5335 Wisconsin Avenue Northwest, Washington, DC 20015 5.7 miles

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.

Montgomery Planning

2425 Reedie Drive, Wheaton, MD 20902 11.4 miles

Licensed

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.

Basement Remodeling

1724 20th Street Northwest, Washington, DC 20009 3.9 miles

DC basement ADU conversions require owner-occupancy, zoning approval, and code compliance. Costs range $100K–$250K+. Basement Remodeling handles permits, design, and construction in 2–4 months.

BBCDC Construction & General Contractors

3418 13th St NW, Washington, DC 20010 5.3 miles

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.

Oztan Studio

909 Rose Avenue, North Bethesda, MD 20852 12 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

ADU Contractors in Arlington, Virginia: Building in One of the DMV's Most Densely Populated Counties

Arlington, Virginia is one of the most densely populated counties in the United States, making efficient use of residential space a top priority for homeowners. As housing demand continues to surge in this Northern Virginia community — situated just across the Potomac River from Washington, D.C. — Accessory Dwelling Units (ADUs) have become an increasingly popular solution. Finding experienced ADU contractors in Arlington, VA is essential for homeowners looking to add value to their property, generate rental income, or create multigenerational living spaces.

Arlington County ADU Regulations and Zoning Requirements

Before breaking ground, it's critical to understand that Arlington County has specific zoning ordinances governing ADU construction. Arlington permits ADUs in most single-family residential zones, but contractors must navigate several important requirements:

What to Look for in an Arlington ADU Contractor

Hiring the right ADU contractor in Arlington, Virginia means working with a professional who understands local permitting processes through Arlington County's Department of Community Planning, Housing, and Development (CPHD). A qualified contractor should be licensed in Virginia, carry proper liability insurance, and have demonstrated experience pulling permits and completing inspections in Arlington specifically. Given the county's strict building codes and the complexity of working in established neighborhoods with mature trees and limited lot space, local expertise is invaluable.

Types of ADUs Built in Arlington

Experienced Arlington ADU builders typically work on several types of accessory dwelling units suited to the county's urban and suburban landscape:

Maximize Your Arlington Property Investment with an ADU

With Arlington's median home values among the highest in Virginia and rental demand driven by proximity to D.C., federal agencies, and Amazon's HQ2 in nearby Crystal City, an ADU can deliver significant return on investment. Working with a knowledgeable ADU contractor in Arlington, VA ensures your project meets all county requirements while maximizing livable space and long-term property value.

ADU Contractors near Arlington, VA