Apex Builders Group
Baltimore, MD
5.05.0(0 reviews)
ADU ConstructionCustom Home BuildingGeneral Contracting
Apex Builders Group. Custom home builder. 4800 Roland Ave, Baltimore, MD 21210, United States
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Custom ADUBaltimore, MD
Best custom ADU builders in Baltimore, Maryland
Looking for the best custom ADU builders in Baltimore, Maryland? Our directory features 6 vetted custom adu builders serving the Baltimore area. Whether you're planning a new ADU construction, garage conversion, or backyard cottage, find the right builder for your project.
6 custom adu builders found
Average rating: 4.8
Top custom ADU builders in Baltimore
5.05.0(0 reviews)
ADU ConstructionCustom Home BuildingGeneral Contracting
Convenient Construction LLC (Home Remodeling Fire Alarm and Fire Sprinkler). Contractor. Open 24 hours
Jonathan Rivera Architecture
Baltimore, MD
5.05.0(29 reviews)
ADU ConstructionCustom ADUDesign-Build ADU
Specializing in ADU construction and related services in Baltimore, MD.
One Source Contracting, LLC
Baltimore, MD
4.84.8(0 reviews)
ADU ConstructionCustom Home BuildingGeneral Contracting
One Source Contracting, LLC. Custom home builder. 1711 Aliceanna St, Baltimore, MD 21231
BUILD U HOME
Baltimore, MD
4.84.8(0 reviews)
ADU ConstructionCustom Home Building
BUILD U HOME. Home builder. 1520 Caton Center Dr M, Baltimore, MD 21227, United States
Advantage Homes, Inc.
Baltimore, MD
4.04.0(0 reviews)
ADU ConstructionCustom Home Building
Advantage Homes, Inc.. Home builder. 8015 Shore Rd, Dundalk, MD 21222
Why Choose Custom ADU in Baltimore?
Baltimore is one of the top markets for accessory dwelling units in Maryland. With growing demand for affordable housing, ADU construction in Baltimore offers homeowners an excellent opportunity to add living space, generate rental income, or house family members. Our curated list of custom adu builders in Baltimore helps you find experienced professionals who understand local building codes, zoning regulations, and permit requirements.
What to Look for in custom ADU builders
- 1Licensed and insured custom adu builders with experience in Baltimore
- 2Knowledge of Baltimore zoning laws and ADU permit requirements
- 3Portfolio of completed ADU projects in the Baltimore area
- 4Transparent pricing and detailed project timelines
- 5Strong reviews and ratings from local homeowners
- 6Warranty coverage on construction and materials
Frequently Asked Questions
How much does it cost to build an ADU in Baltimore?
ADU construction costs in Baltimore typically range from $150,000 to $350,000 depending on size, design, and finishes. Garage conversions are generally less expensive ($80,000–$150,000), while custom-built detached ADUs can cost more. Get free quotes from our listed custom adu builders to compare prices.
Do I need a permit to build an ADU in Baltimore, Maryland?
Yes, ADU construction in Baltimore requires building permits. Maryland has specific ADU regulations, and local zoning laws may have additional requirements. Our listed builders can help you navigate the permitting process.
How long does it take to build an ADU in Baltimore?
ADU construction timelines in Baltimore typically range from 4–12 months, depending on the project type. Prefab ADUs can be installed in 2–4 months, while custom builds may take 8–12 months including design and permitting.