Crawl Space Repair in West Islip, New York

Find trusted local contractors for crawl space encapsulation, waterproofing, mold removal, and more in West Islip. 22 local companies found.

Local Price Estimates — West Islip

Encapsulation$3,000$8,000
Repair$1,500$6,000
Waterproofing$1,500$5,000
Mold Removal$500$4,000
Inspection$150$400

* Estimates based on local market rates. Get free quotes for exact pricing.

Crawl Space Contractors in West Islip

Green Guard Mold Remediation of Commack

285 Commack Rd, Commack, NY 11725, USA

5.0

29 reviews

Mold Removal

Foundation Crack Repair LLC | Basement Crack Repair | Basement Waterproofing | French Drains

30 Lincoln Ave, Sayville, NY 11782, USA

5.0

15 reviews

WaterproofingFoundation RepairDrainage

Magic Basement Services

104 Lake Ave S Unit 4B, Nesconset, NY 11767, USA

5.0

17 reviews

Drainage

everything home improvement

117 Independence Ave, Babylon, NY 11702, USA

5.0

12 reviews

Crawl Space Repair

Newhouse Restoration

unit 15 Knickerbocker Ave #390, Bohemia, NY 11716, USA

5.0

129 reviews

Crawl Space Repair

Vulcan Basement Waterproofing

5 Copperdale Ln, Huntington, NY 11743, USA

5.0

3 reviews

WaterproofingDrainage

New York Waterproofing - Foundation Basement Waterproofing Solutions Contractors

5 Bell Cir, Port Jefferson, NY 11777, USA

5.0

3 reviews

WaterproofingFoundation RepairDrainage

Bright Side Restoration, Inc.

7 Church Dr, Central Islip, NY 11722, USA

5.0

49 reviews

Crawl Space Repair

All Island Restoration

700 Union Pkwy STE 9, Ronkonkoma, NY 11779, USA

5.0

297 reviews

Crawl Space Repair

Mold Removal Crew Bay Shore

85 W Main St suite 204, Bay Shore, NY 11706, USA

5.0

5 reviews

Mold Removal

Alfa Restoration Water Damage Restoration Long Island

66 Cain Dr, Hauppauge, NY 11788, USA

5.0

54 reviews

Crawl Space Repair

Complete Basement Systems

13 Rockwood Ave, Massapequa, NY 11758, USA

4.9

57 reviews

Drainage

Global Mold Solutions LLC

785 Terry Rd, Hauppauge, NY 11788, USA

4.9

75 reviews

Mold Removal

True Restorations, Inc.

929 Wellwood Ave, Lindenhurst, NY 11757, USA

4.9

152 reviews

Crawl Space Repair

Zavza Seal LLC

80 Orville Dr Suite 100, Bohemia, NY 11716, USA

4.9

112 reviews

Crawl Space Repair

Advanced Restoration Corporation

151 Lafayette Rd, West Babylon, NY 11704, USA

4.8

41 reviews

Crawl Space Repair

Healthy Basement Systems

1165 Station Rd, Medford, NY 11763, USA

4.8

635 reviews

Drainage

Foundation Crack Repair LLC

267 W Main St, Patchogue, NY 11772, USA

4.7

12 reviews

Foundation Repair

Premium Technical Services - Foundation & Basement Waterproofing

13 Rockwood Ave, Massapequa, NY 11758, USA

4.7

3 reviews

WaterproofingFoundation RepairDrainage

Black Mold Removal Long Island

1474 Sunrise Hwy second floor, Bay Shore, NY 11706, USA

4.7

18 reviews

Mold Removal

E&M Waterproofing

1217 Chicago Ave, Bay Shore, NY 11706, USA

4.6

18 reviews

Waterproofing

Long Island Mold Removal Pros

83 Park Ave B, Bay Shore, NY 11706, USA

4.5

2 reviews

Mold Removal

FAQs — Crawl Space Services in West Islip

How much does crawl space repair cost in West Islip?

Crawl space repair in West Islip, New York typically costs between $1,500 and $6,000, depending on the extent of damage and services required.

How much does crawl space encapsulation cost in West Islip?

Crawl space encapsulation in West Islip typically costs between $3,000 and $8,000. The price depends on the size of your crawl space and the materials used.

What crawl space services are available in West Islip?

Local contractors in West Islip offer encapsulation, repair, waterproofing, mold removal, insulation, cleaning, and inspection services. Use our directory to find and compare local professionals.

Crawl Space Concerns in New York

Northeast crawl spaces face dual challenges: extreme cold in winter drives up energy costs and risks pipe freezing, while spring snowmelt creates moisture problems. Insulation and encapsulation address both issues, keeping pipes safe in winter and moisture controlled in spring.

!Freezing pipes in crawl spaces are a major winter risk without proper insulation
!Frost heave can shift foundation walls and floor supports
!Ice dam formation on roofs redirects snowmelt into foundations
!Cold floors above uninsulated crawl spaces increase heating bills 15–25%
!Spring snowmelt creates seasonal flooding and moisture surges

Local Tip — New York

If your floors feel cold in winter, the crawl space is likely uninsulated or poorly sealed. Encapsulation with wall insulation (R-10 to R-19) can raise floor temperatures 5–10°F and reduce heating costs significantly.

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Pro Tip

Prices vary by location, crawl space size, and severity. Always get 2–3 quotes before hiring.