Crawl Space Repair in Mastic, New York
Reviewed by Michael Peterson· Licensed Home Inspector
24 crawl space companies serve Mastic, New York, together holding 2,271 customer reviews. K.O.S. Restoration is the highest-rated at 5.0★ (324 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 Mastic, waterproofing in Mastic, mold removal in Mastic, and more in Mastic.
Local Price Estimates — Mastic
* 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 Mastic
11 Farber Dr Unit F, Bellport, NY 11713, USA
324 reviews
30 Lincoln Ave, Sayville, NY 11782, USA
15 reviews
555 Lake Ave, St James, NY 11780, USA
103 reviews
377 Main St, Center Moriches, NY 11934, USA
11 reviews
104 Lake Ave S Unit 4B, Nesconset, NY 11767, USA
17 reviews
20 Newman St, Patchogue, NY 11772, USA
24 reviews
25 Frowein Rd STE 1, Center Moriches, NY 11934, USA
3 reviews
700 Union Pkwy STE 9, Ronkonkoma, NY 11779, USA
297 reviews
516 Long Beach Rd Suite B, St James, NY 11780, USA
140 reviews
11 Maple Ave, Shirley, NY 11967, USA
25 reviews
5 Bell Cir, Port Jefferson, NY 11777, USA
3 reviews
785 Terry Rd, Hauppauge, NY 11788, USA
75 reviews
414. S. Sunrise Highway Service Road #523, Patchogue, NY 11772, USA
98 reviews
80 Orville Dr Suite 100, Bohemia, NY 11716, USA
112 reviews
13 Rockwood Ave, Massapequa, NY 11758, USA
57 reviews
1430 Hallock Ave, Port Jefferson Station, NY 11776, USA
123 reviews
267 W Main St, Patchogue, NY 11772, USA
12 reviews
1490 William Floyd Pkwy, Shirley, NY 11967, USA
10 reviews
1145 William Floyd Pkwy, Shirley, NY 11967, USA
0 reviews
55 Bogota Rd, Mastic Beach, NY 11951, USA
0 reviews
FAQs — Crawl Space Services in Mastic
How much does crawl space repair cost in Mastic?
Crawl space repair in Mastic, 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 2–3 quotes usually saves 15–30%.
How much does crawl space encapsulation cost in Mastic?
Crawl space encapsulation in Mastic 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 Mastic?
K.O.S. Restoration is the highest-rated crawl space contractor in Mastic with a 5.0★ rating from 324 reviews. All Island Restoration (5.0★, 297 reviews) is also highly rated. Ratings shown are from public customer reviews.
How many crawl space contractors serve Mastic?
24 crawl space companies are listed for Mastic. The average local rating is 4.9★ across 2,271 reviews. Contractors in nearby New York and Brooklyn also serve the area.
What crawl space services are available in Mastic?
Mastic 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 Mastic 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 Mastic-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 Mastic:
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Helpful Guides
Pro Tip
Prices vary by location, crawl space size, and severity. Always get 2–3 quotes before hiring.