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.
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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 compliance & planning.
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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.
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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.
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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.
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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.
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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.
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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.
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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+.
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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.
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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.
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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.
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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.
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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 moreNorth Bethesda is one of Montgomery County's fastest-growing communities, known for its proximity to Washington D.C., excellent transit access via the White Flint Metro Station, and a mix of established neighborhoods and modern developments. As housing demand continues to rise in this affluent suburb, ADU contractors in North Bethesda, MD are seeing increased interest from homeowners looking to add accessory dwelling units to their properties. Whether you're looking to house a family member, generate rental income, or increase your property value, building an ADU in North Bethesda is a smart investment.
Since North Bethesda falls under Montgomery County jurisdiction, all ADU projects must comply with Montgomery County's zoning and building codes. Experienced ADU contractors in North Bethesda are well-versed in these local requirements, which include:
Professional ADU builders in North Bethesda work with a variety of ADU configurations to suit different lot sizes and homeowner needs. The most common types include:
Hiring a local ADU contractor familiar with North Bethesda and Montgomery County is essential for a smooth building process. Local contractors understand the specific permitting timelines, inspection requirements, and zoning nuances that can affect your project. They also have established relationships with county officials, which can help expedite approvals. Given the competitive real estate market in North Bethesda, a well-built ADU can significantly boost your property's value and appeal.
If you're considering adding an accessory dwelling unit to your North Bethesda property, working with a qualified and experienced ADU contractor in North Bethesda, MD is the first step. From design and permitting to construction and final inspection, the right contractor will guide you through every phase of the project while ensuring full compliance with Montgomery County regulations.