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.
read more
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.
read more
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 more
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.
read more
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.
read more
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.
read more
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.
read more
Doug Pruett Construction Company, Inc. is a full-service ADU contractor specializing in detached ADUs, garage conversions, backyard cottages, and in-law suites. They manage design, permitting, and construction in-house, ensuring code compliance and efficient project delivery.
read more
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.
read moreRockville, Maryland, as the county seat of Montgomery County, operates under some of the most detailed and structured zoning codes in the state. For homeowners looking to add an Accessory Dwelling Unit (ADU) to their property, working with experienced ADU contractors in Rockville is essential. Montgomery County's zoning ordinance governs ADU construction, and Rockville's own city codes add another layer of compliance that contractors must carefully navigate. Whether you're looking to create a detached backyard cottage, a basement apartment, or an attached in-law suite, understanding local regulations is the first step.
In Rockville, ADUs are subject to both Montgomery County Zoning Ordinance requirements and the City of Rockville's municipal codes. Key regulations that qualified ADU contractors must address include:
Hiring a licensed and experienced ADU contractor in Rockville, MD ensures your project meets all local building codes, zoning requirements, and inspection standards. Professional contractors familiar with Rockville's permitting process can help streamline approvals, avoid costly mistakes, and deliver a finished unit that adds real value to your property. With Rockville's strong rental market driven by proximity to Washington, D.C., and major employers like the FDA headquarters, a well-built ADU can generate significant rental income.
Working with a knowledgeable ADU contractor in Rockville, Maryland is the smartest way to ensure your project is completed on time, within budget, and in full compliance with local regulations. From initial design and permitting to final construction and inspections, the right contractor will guide you through every step of the process, helping you maximize your property's potential in one of Maryland's most desirable cities.