Crawl Space Repair in Middle Island, New York

Reviewed by Michael Petersonยท Licensed Home Inspector

24 crawl space companies serve Middle Island, New York, together holding 2,445 customer reviews. K.O.S. Restoration is the highest-rated at 5.0โ˜… (324 reviews). Local crawl space repair typically runs $1,500โ€“$6,000, and full encapsulation $3,000โ€“$8,000. The most common services offered here are crawl space repair, waterproofing, drainage.

Find trusted local contractors for crawl space encapsulation in Middle Island, waterproofing in Middle Island, mold removal in Middle Island, and more in Middle Island.

Local Price Estimates โ€” Middle Island

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

* Estimates based on local market rates. Get free quotes for exact pricing. See the full repair cost guide, encapsulation cost guide, or cost calculator.

Crawl Space Contractors in Middle Island

429 W Main St, Patchogue, NY 11772, USA

5.0

166 reviews

Crawl Space Repair
5.0

15 reviews

WaterproofingFoundation RepairDrainage
5.0

3 reviews

WaterproofingFoundation RepairDrainage

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

5.0

17 reviews

Drainage

610 N Bicycle Path, Port Jefferson Station, NY 11776, USA

5.0

5 reviews

Waterproofing

11 Farber Dr Unit F, Bellport, NY 11713, USA

5.0

324 reviews

Crawl Space Repair

1533 Rocky Point Rd, Middle Island, NY 11953, USA

5.0

61 reviews

Crawl Space Repair

377 Main St, Center Moriches, NY 11934, USA

5.0

11 reviews

Crawl Space Repair

51 Joan Ave, Centereach, NY 11720, USA

5.0

85 reviews

Mold Removal

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

5.0

298 reviews

Crawl Space Repair

159 Rocky Point Rd, Middle Island, NY 11953, USA

5.0

17 reviews

Crawl Space Repair

royal plaza, 1055 Portion Rd, Farmingville, NY 11738, USA

5.0

58 reviews

Mold Removal

516 Long Beach Rd Suite B, St James, NY 11780, USA

5.0

140 reviews

Mold Removal

1054 NY-25A, Mt Sinai, NY 11766, USA

5.0

84 reviews

Insulation

785 Terry Rd, Hauppauge, NY 11788, USA

4.9

75 reviews

Mold Removal

13 Rockwood Ave, Massapequa, NY 11758, USA

4.9

57 reviews

Drainage

1430 Hallock Ave, Port Jefferson Station, NY 11776, USA

4.9

123 reviews

Crawl Space Repair

116-14 142nd St, Jamaica, NY 11436, USA

4.9

77 reviews

Waterproofing

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

4.9

112 reviews

Crawl Space Repair

1165 Station Rd, Medford, NY 11763, USA

4.8

635 reviews

Drainage

28 Pine St, Selden, NY 11784, USA

4.7

36 reviews

Crawl Space Repair

267 W Main St, Patchogue, NY 11772, USA

4.7

12 reviews

Foundation Repair

10 George Ave, Shoreham, NY 11786, USA

4.6

16 reviews

Crawl Space Repair

1217 Chicago Ave, Bay Shore, NY 11706, USA

4.6

18 reviews

Waterproofing

FAQs โ€” Crawl Space Services in Middle Island

How much does crawl space repair cost in Middle Island?

Crawl space repair in Middle Island, New York typically costs between $1,500 and $6,000, depending on the extent of damage and services required. With 24 local companies to compare, getting 2โ€“3 quotes usually saves 15โ€“30%.

How much does crawl space encapsulation cost in Middle Island?

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

Who is the top-rated crawl space company in Middle Island?

K.O.S. Restoration is the highest-rated crawl space contractor in Middle Island with a 5.0โ˜… rating from 324 reviews. All Island Restoration (5.0โ˜…, 298 reviews) is also highly rated. Ratings shown are from public customer reviews.

How many crawl space contractors serve Middle Island?

24 crawl space companies are listed for Middle Island. The average local rating is 4.9โ˜… across 2,445 reviews. Contractors in nearby New York and Brooklyn also serve the area.

What crawl space services are available in Middle Island?

Middle Island contractors most commonly offer crawl space repair, waterproofing, drainage, alongside repair, insulation, cleaning, and inspection. Compare providers above to see who offers what.

What should Middle Island homeowners know before hiring a crawl space contractor?

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 5โ€“10ยฐF and reduce heating costs significantly. Always verify licensing and insurance, and get itemized quotes from at least two Middle Island-area companies before signing.

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 15โ€“25%
!Spring snowmelt creates seasonal flooding and moisture surges

Local Tip โ€” 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 5โ€“10ยฐF and reduce heating costs significantly.

Get Free Quotes in Middle Island, New York

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Pro Tip

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