4 Best ADU Builders in Baltimore, Maryland
Verified ADU contractors and builders in Baltimore, MD
Showing 1–4 of 4 listings
Dream Design Build & Remodeling, Inc.
Transform your Baltimore garage into functional living space with expert conversion services that maximize your home's potential. Our experienced team specializes in designing and building custom garage-to-living-space conversions tailored to your family's needs.
Maryland Bay Construction
Transform your Baltimore garage into a functional living space with expert conversion services tailored to your home's unique layout and needs. Our skilled team specializes in garage-to-living-space conversions that maximize your property's potential while maintaining structural integrity and local code compliance.
Maryland Garage Concepts
Transform your underutilized garage into functional living space with expert garage-to-bedroom, office, and recreation room conversions throughout the Baltimore area. Our specialized team handles everything from structural modifications and insulation to permits and finishing, delivering quality results that maximize your home's value and usable square footage.
Maryland Home Improvement Commission
Transform your underutilized garage into a functional living space with expert garage-to-living-space conversions tailored to Baltimore homes. Our licensed contractors specialize in converting garages into bedrooms, offices, and recreational areas while ensuring compliance with local building codes and regulations.
Frequently Asked Questions — ADU Builders in Baltimore
How much does it cost to hire an ADU builder in Baltimore?
ADU construction costs in Baltimore, Maryland vary widely depending on size, type, and site conditions. Detached ADUs typically range from $150,000–$400,000+, while garage conversions and attached ADUs can be more affordable. Contact multiple builders in Baltimore to get accurate quotes for your specific project.
How long does it take to build an ADU in Baltimore?
In Baltimore, the ADU construction timeline typically ranges from 6 to 18 months from permit application to move-in. Permitting alone can take 2–6 months depending on Maryland local regulations. Prefab and modular ADUs often have faster timelines than site-built units.
Do I need a permit to build an ADU in Baltimore?
Yes, a building permit is required for ADU construction in Baltimore, Maryland. Your ADU builder will typically handle the permit application as part of their service. Maryland has adopted streamlined ADU permitting laws in recent years, which may reduce wait times.
What types of ADUs can be built in Baltimore?
Common ADU types in Baltimore include detached ADUs (backyard cottages), attached ADUs, garage conversions, basement conversions, and prefab/modular ADUs. The best type for your property depends on lot size, zoning, and budget. A local Baltimore ADU builder can advise on what's allowed on your specific parcel.