West Islip, NY

Find the Best Contractors in West Islip

Discover top-rated home service professionals in West Islip, New York. Browse 72 verified contractors for roofing, HVAC, plumbing, and more.

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West Islip, NY

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Top Contractors in West Islip, NY

Showing 1-20 of 72 contractors

D&L Plumbing & Heating Service

D&L Plumbing & Heating Service

18 Willoughby Pl, West Islip, NY 11795

5(2 reviews)
Plumbing
Hours
LandscapingGeneral Contracting
Hours
ALY CAT OUTDOOR SOLUTIONS, LLC

ALY CAT OUTDOOR SOLUTIONS, LLC

96 Doncaster Ave, West Islip, NY 11795

5
LandscapingGeneral Contracting
Hours
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Gulf j Lawn Sprinklers

Gulf j Lawn Sprinklers

22 Wagstaff Ln, West Islip, NY 11795

5
LandscapingGeneral Contracting
Hours
Shesh Contractors and Builders, Inc.

Shesh Contractors and Builders, Inc.

582 Higbie Ln, West Islip, NY 11795

5(3 reviews)

"By far the best service & pricing."

RoofingSidingFlooringGeneral Contracting+2 more
Hours
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Evergreen Hardwood Flooring

Evergreen Hardwood Flooring

West Islip, NY

5(2 reviews)

"Highly recommended."

Flooring
Hours
Best Built Remodeling, Inc.

Best Built Remodeling, Inc.

58 Alice Rd, West Islip, NY 11795

5(3 reviews)

"They arrive on time, get started right away and work very efficiently."

RoofingSidingKitchen RemodelBathroom Remodel+1 more
Hours
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Rosati Construction Inc

Rosati Construction Inc

104 Sequams Ln E, West Islip, NY 11795

5(1 reviews)

"The team was timely, hard working and efficient."

ConcreteGeneral ContractingHome Builder
Hours
Honahan Contracting Corporation

Honahan Contracting Corporation

233 W Islip Rd, West Islip, NY 11795

5(1 reviews)
General ContractingHome Builder
Hours
West Islip Stairlifts & Repairs Inc

West Islip Stairlifts & Repairs Inc

9 Chapin Ct, West Islip, NY 11795

5(19 reviews)

"His work was quick and immaculate."

Home BuilderGeneral Contracting
Hours
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V&P Siding & Window Corp

V&P Siding & Window Corp

435 Spruce Ave, West Islip, NY 11795

5(40 reviews)

"His price was very fair and the work is top notch!"

RoofingWindowsSidingInsulation
Hours
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JV Painting

JV Painting

200 Udall Rd, West Islip, NY 11795

5(11 reviews)
DrywallWater Damage RestorationPainting
Hours
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East Coast Sewer & Drain

East Coast Sewer & Drain

2109 Orinoco Dr, West Islip, NY 11795

5(41 reviews)

"He arrived in under and hour and fixed the issue with no problems."

Plumbing
Hours
Leon Landscaping & maintenance Corp

Leon Landscaping & maintenance Corp

306 Henry Ave., West Islip, NY 11795

5(1 reviews)
LandscapingConcreteMasonry
Hours
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Vinyl Touch Remodeling

Vinyl Touch Remodeling

200 Union Blvd, West Islip, NY 11795

5(5 reviews)

"Dougie is my go too, highly recommend him!"

RoofingSidingFlooringDecks & Patios+1 more
Hours
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Ducold Mechanical Ltd.

Ducold Mechanical Ltd.

230 Norma Ave, West Islip, NY 11795

5(25 reviews)

"Their work was very neat and clean and no old parts were left behind."

HVAC
Hours
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Black Bear Masonry Design

Black Bear Masonry Design

321 George St, West Islip, NY 11795

5(38 reviews)

"They completed everything on time and exceeded my expectations."

Masonry
Hours
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47 Swag Co

47 Swag Co

185 Higbie Ln, West Islip, NY 11795

5(27 reviews)

"High quality, great communication, and professional results every time."

Flooring
Hours
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RSM Mason Construction Corp

RSM Mason Construction Corp

436 W 4th St, West Islip, NY 11795

5(1 reviews)

"Ruben is reliable, professional, and does excellent work."

MasonryGeneral Contracting
Hours
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Metro Heating & Air Conditioning Inc

Metro Heating & Air Conditioning Inc

26 Bay Shore Rd, West Islip, NY 11795

5(1 reviews)

"Their commitment to service is exceptional."

HVAC
Hours
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Top Rated Contractors 2026

West Islip, NY

Every contractor shown for West Islip, New York is listed with the rating and review count from its public Google Business Profile, so you can compare local professionals on the same basis. Businesses marked as claimed have confirmed their own details, which is not the same as a licence or insurance check. Confirm licensing and insurance directly, then request at least three written estimates before you hire in West Islip.

Frequently Asked Questions

Common questions about finding contractors in West Islip

Prices in West Islip depend on the trade, the size and complexity of the job, and the materials you choose. Small repairs often start in the low hundreds of dollars, while full replacements such as a roof, HVAC system, or kitchen can run from several thousand dollars upward. Request at least three written estimates for the same scope so you can compare local pricing fairly.

Start with the listings on this page, then confirm the licence directly with the licensing board that covers New York. Requirements vary by trade: some states license general contractors, while others license only electrical, plumbing, and HVAC work. Ask for the licence number and verify it yourself before signing anything.

Most listings in West Islip are aggregated from public business data, including the Google Business Profile rating and review count shown on each page, and are not individually inspected by us. A listing marked as claimed simply means the owner has confirmed control of the business record; it is not a licence or insurance check. Always verify licensing, insurance, and references before you hire.

Costs in New York depend heavily on the trade and the project. Labour rates vary by region, licensed trades such as electrical and plumbing usually cost more per hour than general labour, and emergency or after-hours work carries a premium. Statewide averages are only a starting point; get itemized quotes from local contractors for your exact scope.

Permit rules are set by the local authority that covers West Islip. Structural work, additions, and most electrical, plumbing, HVAC, and roofing replacements require a permit, while some cosmetic work does not. Ask who is pulling the permit and confirm it is issued in the correct name before work starts, because unpermitted work can complicate resale and insurance.

A deposit of roughly 10-30% of the contract price to cover materials is common in West Islip, with the balance tied to milestones in a written contract. Be cautious of anyone demanding full payment up front, large cash-only payments, or payment before the work is scheduled. A written payment schedule protects both sides.

Compare quotes on the same written scope of work, not on the bottom line alone. Check that each quote lists materials and brands, labour, permits, cleanup, and exclusions, and ask how change orders are priced. A bid that is far below the others usually means something has been left out.

A contractor contract in New York should state the full scope, materials, total price and payment schedule, estimated start and completion dates, the licence number, how changes will be approved and priced, the warranty, and who handles permits and cleanup. Read it before signing and keep a copy.

Timelines in West Islip vary widely by trade and scope, from a same-day repair to several months for a major remodel. Weather, permit queues, and material lead times all affect the schedule. Ask each contractor for a written timeline and confirm how they handle weather or inspection delays.

Read the Google review excerpts shown on each listing for patterns rather than judging only by the star average. Also check the state or provincial licensing board for complaints, ask the contractor for recent local references, and confirm they carry insurance. A single bad review matters less than a consistent theme.

Pricing in West Islip reflects local labour rates, cost of living, demand, and how far crews have to travel. Dense metro areas and high-cost regions usually run above the state average, while smaller markets can be below it. The only accurate comparison is like-for-like quotes from contractors who work in West Islip.

Document everything in writing first, including photos, dates, and the contract. Ask the contractor to fix the issue under the warranty, and if they refuse, file a complaint with the New York licensing board or consumer-protection office. You can also contact us so we can review the listing associated with that business.