ADU Contractors near Central Islip, NY
Second Key NYC
157 13th Street, Brooklyn, NY 11215
42.5 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
25.2 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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Adé Real Estate
722 Grand Street, Jersey City, NJ 07304
45.1 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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SLK Buildings
295 Madison Avenue, New York, NY 10017
41.1 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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CT ADU
30 Old Kings Highway South, Darien Downtown, CT 06820
24.8 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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Huts
273 Smith Street, Brooklyn, NY 11231
42.4 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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Great Additions Construction Company
3065 Hempstead Turnpike, Levittown, NY 11756
17.6 miles
Kondor NYC
160 East 65th Street, New York, NY 10065
40.3 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
32.2 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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BuildLabs
2272 Montauk Highway, Bridgehampton, NY 11932
47.5 miles
BuildLabs is a design-build company specializing in ADU construction across all 50 states. They offer custom and pre-approved plans, sustainable materials, and a streamlined 16-week build process covering planning, permitting, and final inspection.
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Peragallo Construction
500 South Brooksvale Road, Cheshire, CT 06410
49.2 miles
Peragallo Construction builds custom ADUs in Central & Southern Connecticut, including detached cottages, in-law suites, garage conversions & basement apartments. Serving Cheshire, Wallingford & Guilford. ADU costs range $150K–$350K.
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PCS Structures
250 U.S. 9W, West Haverstraw, NY 10927
49.3 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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Home Quality Remodeling
40 East Midland Avenue, Paramus, NJ 07652
46.3 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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Kling Brothers Builders
103 South Main Street, Newtown, CT 06470
38.1 miles
Kling Brothers Builders specializes in home additions, from extra bedrooms to master retreats. They handle planning, site evaluation, exterior matching, and construction, ensuring seamless integration and strong ROI. Free consultations available.
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Tiny House Titans
Yorktown Heights, NY 10598
45.8 miles
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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Other cities in New York
What you need to know
ADU Contractors in Central Islip, NY: Building in Suffolk County's Growing Community
Central Islip is a hamlet located within the Town of Islip in Suffolk County, New York. Known for its diverse population and proximity to major Long Island transportation hubs, including the Central Islip train station on the Long Island Rail Road, this community has seen growing demand for additional housing solutions. ADU contractors in Central Islip are increasingly sought after as homeowners look to maximize their property value and create supplemental income through accessory dwelling units.
Zoning and Regulatory Requirements for ADUs in Central Islip
ADU projects in Central Islip fall under the jurisdiction of the Town of Islip's zoning and building codes. Homeowners and contractors must navigate Suffolk County health department regulations, particularly regarding septic systems and water supply, which are critical considerations in areas not connected to municipal sewer systems. Before breaking ground, experienced ADU contractors will help you secure the necessary permits from the Town of Islip Building Division and ensure compliance with local zoning ordinances, including setback requirements, lot coverage limits, and maximum square footage restrictions.
What Qualified ADU Contractors in Central Islip Can Build
Professional ADU contractors serving Central Islip can assist with a variety of accessory dwelling unit types, including:
- Detached ADUs: Standalone structures built in the backyard, separate from the primary residence
- Attached ADUs: Units added to the side or rear of an existing home
- Garage conversions: Transforming existing garages into livable, code-compliant spaces
- Basement conversions: Converting below-grade spaces into fully functional dwelling units
Why Hire a Local ADU Contractor in Central Islip?
Hiring a locally experienced ADU contractor in Central Islip offers significant advantages. Local contractors are familiar with the Town of Islip's specific permit processes, inspection requirements, and common site challenges such as soil conditions and utility connections typical to this part of Long Island. They also maintain relationships with local subcontractors, suppliers, and inspectors, which can help keep your project on schedule and within budget.
Key Considerations When Choosing an ADU Contractor
When selecting an ADU contractor in Central Islip, homeowners should keep the following in mind:
- Verify the contractor holds a valid New York State contractor license and Suffolk County Home Improvement Contractor registration
- Request references from previous ADU projects completed in the Town of Islip
- Ensure the contractor carries adequate liability insurance and workers' compensation coverage
- Ask for a detailed written contract outlining scope of work, timeline, and payment schedule
- Confirm the contractor will handle all necessary permit applications and inspections
With the right ADU contractor in Central Islip, NY, homeowners can successfully add valuable living space, accommodate multigenerational family needs, or generate rental income — all while staying fully compliant with local and county regulations.