ADU Contractors near Brooklyn, NY
Second Key NYC
157 13th Street, Brooklyn, NY 11215
2.6 miles
Licensed ADU contractor and construction management firm for NYC homeowners. We handle eligibility, permitting, and the full build across Queens, Brooklyn, Staten Island, and the Bronx.
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Contemporary Tiny Homes
40 Richards Avenue, Suite 740, Norwalk, CT 06854
40.2 miles
Expert ADU builder offering detached ADUs, garage conversions & backyard cottages. Structured process: feasibility, permits, construction & final walkthrough. Boost property value, enable multigenerational living & create flexible spaces.
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ADU Advisory
124 East 14th Street, New York, NY 10003
6.1 miles
ADU Advisory is a NYC-based organization led by former Buildings Commissioner Robert LiMandri, helping property owners plan, permit, fund, and build accessory dwelling units (ADUs) across all five boroughs under City of YES regulations.
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Quality-Renovations.com
560 Lexington Ave, New York, NY 10022
7.5 miles
Quality Renovations provides expert Kitchen and Bathroom Remodeling, home additions, and full renovation services with dependable craftsmanship.
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PCS Structures
250 U.S. 9W, West Haverstraw, NY 10927
37.8 miles
PCS Structures builds high-performance ADUs, backyard cottages & granny flats using SIPs technology. Their SHEDI line offers 15x more airtight construction, better energy efficiency, moisture control & faster build times than traditional methods.
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Huts
273 Smith Street, Brooklyn, NY 11231
3.2 miles
Huts offers full-service ADU design and build, handling zoning, permits, and construction. Their flexible designs suit in-law suites, rentals, or guest stays. Transparent pricing, cost control, and financing guidance help property owners maximize value.
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SpecLand Group
240-19 Jamaica Avenue, Bellerose, NY 11426
12.7 miles
At SpecLand, we bring expertise and innovation to home renovations, with a focus on maximizing both functionality and value in New York’s unique urban landscape. Whether you’re looking to expand your home, create rental opportunities, or update your living space, our team is dedicated to delivering high-quality, customized solutions that meet your specific needs.
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SLK Buildings
295 Madison Avenue, New York, NY 10017
7.2 miles
SLK Buildings offers end-to-end ADU financing support in NYC, helping homeowners access HPD grants, HELOCs, construction loans, and cash-out refinancing to fund garage conversions, basement ADUs, and backyard additions.
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Home Quality Remodeling
40 East Midland Avenue, Paramus, NJ 07652
21.2 miles
Home Quality Remodeling offers full-service ADU construction in New Jersey, including detached ADUs, garage conversions, in-law suites, and granny flats. They handle design, permitting, and building to boost property value and add flexible living space.
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Adé Real Estate
722 Grand Street, Jersey City, NJ 07304
7 miles
Adé Real Estate is an ADU contractor serving Jersey City, Newark & New York. They offer zoning checks, permit-ready designs, turn-key builds & financing guidance. ADUs can generate $2,000–$3,500+/month rental income & add $150K–$250K+ in property value.
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Kondor NYC
160 East 65th Street, New York, NY 10065
8 miles
Kondor NYC offers ADU design & installation, including attached, detached units & garage conversions. Ideal for in-law suites, rental income or guest houses. Serving NYC homeowners with expert remodeling solutions on time & within budget.
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Expert Designers
77-16 164th Street, New York, NY 11366
9.1 miles
Expert Designers is an NYC-based ADU architect firm helping homeowners convert garages, basements, and backyards into legal accessory dwelling units. Services include design, permit filing, and construction support under NYC's City of Yes zoning updates.
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ADU Remodeling New York
124 Front Street, Bethpage, NY 11762
25.3 miles
ADU Remodeling New York offers full-service interior & exterior home renovation, including kitchen remodeling, bathroom remodeling, and flooring installation. Serving residential clients with expert design-to-completion project management.
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Tiny Nooks
16 Railroad Place, Westport, NY 06880
44.3 miles
Tiny Nooks is a professional ADU builder in Westport, CT, serving Fairfield County. They offer custom ADUs, garage conversions, home offices & pool houses with full project management, quality craftsmanship & on-time delivery.
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CT ADU
30 Old Kings Highway South, Darien Downtown, CT 06820
38.6 miles
Trusted Connecticut ADU builder offering custom, modular & prefab accessory dwelling units. Energy-efficient designs, full permitting support & streamlined build process. Expert navigation of CT zoning laws including Public Act 21-29.
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Other cities in New York
What you need to know
ADU Contractors in Brooklyn, NY: Navigating One of America's Most Densely Populated Boroughs
Brooklyn is one of the most densely populated urban areas in the United States, with over 2.7 million residents packed into approximately 71 square miles. This unique characteristic makes Accessory Dwelling Units (ADUs) an increasingly popular solution for homeowners looking to maximize their property's potential. Whether you're looking to create a basement apartment, a garage conversion, or a backyard cottage, finding experienced ADU contractors in Brooklyn, NY is essential to navigating the borough's complex building landscape.
Understanding Brooklyn's Zoning and Building Regulations for ADUs
Brooklyn falls under New York City's Department of Buildings (DOB) jurisdiction, which means ADU projects must comply with the NYC Zoning Resolution and the New York City Building Code. Most residential areas in Brooklyn are zoned R1 through R10, and the type of ADU you can build largely depends on your specific zoning district. In 2022, New York State passed legislation making it easier to legalize basement and cellar apartments, which is particularly relevant for Brooklyn's large stock of brownstones and row houses. Skilled Brooklyn ADU contractors must be well-versed in these evolving regulations to ensure your project receives proper permits and approvals.
Types of ADUs Commonly Built in Brooklyn
Given Brooklyn's unique housing stock, the most common ADU types in the borough include:
- Basement and Cellar Apartments: Extremely common in Brooklyn brownstones and row houses, these require careful attention to ceiling height, egress windows, and waterproofing requirements.
- Garage Conversions: Many Brooklyn properties have detached garages that can be converted into livable spaces.
- Attached ADUs: Additions built onto existing structures, subject to strict setback and lot coverage rules.
- Backyard Cottages: Permitted in certain zoning districts with specific size and height limitations.
What to Look for in a Brooklyn ADU Contractor
Hiring the right ADU contractor in Brooklyn can make or break your project. The best contractors will have extensive experience working within New York City's rigorous permitting process and a strong understanding of local building codes. Look for contractors who are:
- Licensed by the New York State Department of Labor and registered with the NYC Department of Buildings
- Experienced with NYC DOB permit applications and inspections
- Familiar with Brooklyn's historic districts, as many neighborhoods like Park Slope and Brooklyn Heights have additional Landmarks Preservation Commission requirements
- Knowledgeable about energy code compliance under the NYC Energy Conservation Code
The Cost of Building an ADU in Brooklyn
Due to Brooklyn's high cost of living and labor market, ADU construction costs in the borough tend to be higher than national averages. Homeowners can typically expect to spend between $150,000 and $400,000 depending on the ADU type, size, and scope of work. However, a well-built ADU in Brooklyn can generate significant rental income, often ranging from $2,000 to $4,500 per month, making it a worthwhile long-term investment. Partnering with a reputable Brooklyn ADU contractor ensures your project is completed efficiently, legally, and to the highest standards.