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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Liamar is a New Jersey contractor building custom garages, ADUs, and accessory structures in Monmouth, Mercer, Ocean, and Burlington counties. Services include permits, foundations, electrical, plumbing, and HVAC — fully code-compliant.
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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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Alec's Construction builds ADUs on Long Island, including garage conversions, basement units & detached cottages. Serving Suffolk County, they handle permits, design & construction. Costs range from $50K–$300K+.
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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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New Hampton Construction builds custom ADUs on Long Island, including in-law suites, guest houses, rental units & home offices. Projects range from $100K–$300K+, take 4–8 months, and may qualify for Plus One ADU Program grants.
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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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Cascella and Sons Construction Corp builds home additions and ADUs on Long Island. As a design-build firm, they manage design and construction under one roof, offering garage conversions, in-law suites, and detached ADUs tailored to Cape, Ranch, and Colonial-style homes.
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Tiny House Titans is a Northeast ADU contractor founded in 2025, offering turn-key services from zoning to final inspection. Units range 200–1,000+ sq ft at $250–$400/sq ft, covering detached ADUs, garage conversions, and JADUs.
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Haven ADUs is a Brooklyn-based design and project management firm specializing in accessory dwelling units (ADUs). They guide property owners through feasibility, design, permitting, and construction, serving as a single point of contact throughout.
read moreJackson Heights, located in the western portion of Queens, New York, is one of the most ethnically diverse urban neighborhoods in the world. Known for its stunning pre-war cooperative apartment buildings, historic district designations, and tightly packed residential blocks, Jackson Heights presents unique challenges and opportunities for ADU contractors. The neighborhood's rich architectural heritage and dense urban fabric mean that any accessory dwelling unit project requires careful planning, specialized expertise, and a deep understanding of local regulations.
ADU contractors working in Jackson Heights must navigate New York City's complex zoning framework. Much of Jackson Heights falls under R6 and R7 zoning districts, which govern building density, height limits, and lot coverage. New York City's 2023 City of Yes for Housing Opportunity zoning reform has expanded ADU possibilities across the five boroughs, including Queens. However, contractors must still comply with:
Given the neighborhood's predominantly multi-family and attached housing stock, ADU contractors in Jackson Heights most frequently work on the following project types:
Working with an experienced ADU contractor familiar with Jackson Heights and Queens regulations is critical. Local contractors understand the nuances of dealing with the NYC Department of Buildings' Queens Borough office, managing relationships with local inspectors, and sourcing materials suited to the neighborhood's older building stock. Many homes in Jackson Heights were built between the 1910s and 1940s, meaning contractors often encounter outdated plumbing, knob-and-tube wiring, and older foundation systems that require expert handling.
Whether you're a homeowner looking to generate rental income or a property investor seeking to maximize your Queens real estate, an accessory dwelling unit in Jackson Heights can be a smart investment. Make sure to hire a licensed, insured ADU contractor with proven experience in New York City's regulatory environment. Always verify contractor credentials through the NYC Department of Consumer and Worker Protection before signing any contracts.