Crawl Space Repair in St. James, New York
Reviewed by Michael Peterson· Licensed Home Inspector
23 crawl space companies serve St. James, New York, together holding 2,552 customer reviews. All Island Restoration is the highest-rated at 5.0★ (297 reviews). Local crawl space repair typically runs $1,500–$6,000, and full encapsulation $3,000–$8,000. The most common services offered here are crawl space repair, drainage, waterproofing.
Find trusted local contractors for crawl space encapsulation in St. James, waterproofing in St. James, mold removal in St. James, and more in St. James.
Local Price Estimates — St. James
* 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 St. James
104 Lake Ave S Unit 4B, Nesconset, NY 11767, USA
17 reviews
30 Lincoln Ave, Sayville, NY 11782, USA
15 reviews
5 Bell Cir, Port Jefferson, NY 11777, USA
3 reviews
104 Lake Ave S Unit 4A, Nesconset, NY 11767, USA
73 reviews
555 Lake Ave, St James, NY 11780, USA
103 reviews
610 N Bicycle Path, Port Jefferson Station, NY 11776, USA
5 reviews
516 Long Beach Rd Suite B, St James, NY 11780, USA
140 reviews
700 Union Pkwy STE 9, Ronkonkoma, NY 11779, USA
297 reviews
7 Church Dr, Central Islip, NY 11722, USA
50 reviews
66 Cain Dr, Hauppauge, NY 11788, USA
54 reviews
74 Bridge Rd, Islandia, NY 11749, USA
282 reviews
80 Orville Dr Suite 100, Bohemia, NY 11716, USA
112 reviews
932 Middle Country Rd, St James, NY 11780, USA
102 reviews
835 Marconi Ave, Ronkonkoma, NY 11779, USA
65 reviews
1430 Hallock Ave, Port Jefferson Station, NY 11776, USA
123 reviews
785 Terry Rd, Hauppauge, NY 11788, USA
75 reviews
13 Rockwood Ave, Massapequa, NY 11758, USA
57 reviews
2901 NY-17K, Bullville, NY 10915, USA
153 reviews
267 W Main St, Patchogue, NY 11772, USA
12 reviews
17 Roosevelt Ave, Nesconset, NY 11767, USA
10 reviews
FAQs — Crawl Space Services in St. James
How much does crawl space repair cost in St. James?
Crawl space repair in St. James, New York typically costs between $1,500 and $6,000, depending on the extent of damage and services required. With 23 local companies to compare, getting 2–3 quotes usually saves 15–30%.
How much does crawl space encapsulation cost in St. James?
Crawl space encapsulation in St. James 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 St. James?
All Island Restoration is the highest-rated crawl space contractor in St. James with a 5.0★ rating from 297 reviews. Mold Testing Long Island NY (5.0★, 140 reviews) is also highly rated. Ratings shown are from public customer reviews.
How many crawl space contractors serve St. James?
23 crawl space companies are listed for St. James. The average local rating is 4.9★ across 2,552 reviews. Contractors in nearby New York and Brooklyn also serve the area.
What crawl space services are available in St. James?
St. James contractors most commonly offer crawl space repair, drainage, waterproofing, alongside repair, insulation, cleaning, and inspection. Compare providers above to see who offers what.
What should St. James 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 5–10°F and reduce heating costs significantly. Always verify licensing and insurance, and get itemized quotes from at least two St. James-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.
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.
Recommended services for St. James:
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Helpful Guides
Pro Tip
Prices vary by location, crawl space size, and severity. Always get 2–3 quotes before hiring.