ADU Contractors near Central Islip, NY
Situ Studio
63 Flushing Avenue, Brooklyn, NY 11205
41.2 miles
NYC's 2024 City of Yes zoning reform introduced ADUs, allowing homeowners to add units in attics, basements, or backyards. Situ Studio contributed a pre-approved 280 sq. ft. detached micro-loft ADU design using Wikihouse's open-source plywood fram... read more
ADU Remodeling New York
124 Front Street, Bethpage, NY 11762
15.3 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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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.... read more
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 ... read more
Alec's Construction
1 South Ocean Avenue, Patchogue, NY 11772
9.6 miles
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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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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Cascella and Sons
70 Carleton Avenue, Central Islip, NY 11722
0.5 miles
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, a... read more
ADU Advisory
124 East 14th Street, New York, NY 10003
41.7 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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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 budg... read more
Haven ADUs
348 Nostrand Avenue, Brooklyn, NY 11216
40.2 miles
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 throughou... read more
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 ... read more
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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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 m... read more
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.<... read more
Great Additions Construction Company
3065 Hempstead Turnpike, Levittown, NY 11756
17.6 miles
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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.