Crawl Space Repair in Portland, Maine
Reviewed by Michael Peterson· Licensed Home Inspector
4 crawl space companies serve Portland, Maine, together holding 756 customer reviews. Basement Improvements, LLC is the highest-rated at 4.9★ (349 reviews). Local crawl space repair typically runs $1,500–$6,100, and full encapsulation $2,950–$7,900. The most common services offered here are waterproofing, insulation, foundation repair.
Find trusted local contractors for crawl space encapsulation in Portland, waterproofing in Portland, mold removal in Portland, and more in Portland.
Local Price Estimates — Portland
* 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 Portland
25 Limerick Rd, Arundel, ME 04046
349 reviews
190 Riverside St #2A, Portland, ME 04103
103 reviews
12 Homestead Dr, Wells, ME 04090
300 reviews
110 Central St, Westbrook, ME 04092
4 reviews
FAQs — Crawl Space Services in Portland
How much does crawl space repair cost in Portland?
Crawl space repair in Portland, Maine typically costs between $1,500 and $6,100, depending on the extent of damage and services required. With 4 local companies to compare, getting 2–3 quotes usually saves 15–30%.
How much does crawl space encapsulation cost in Portland?
Crawl space encapsulation in Portland typically costs between $2,950 and $7,900. The price depends on the size of your crawl space and the materials used.
Who is the top-rated crawl space company in Portland?
Basement Improvements, LLC is the highest-rated crawl space contractor in Portland with a 4.9★ rating from 349 reviews. Evergreen Home Performance (4.7★, 103 reviews) is also highly rated. Ratings shown are from public customer reviews.
How many crawl space contractors serve Portland?
4 crawl space companies are listed for Portland. The average local rating is 4.7★ across 756 reviews. Contractors in nearby Boston and Nashua also serve the area.
What crawl space services are available in Portland?
Portland contractors most commonly offer waterproofing, insulation, foundation repair, alongside repair, insulation, cleaning, and inspection. Compare providers above to see who offers what.
What should Portland 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 Portland-area companies before signing.
Crawl Space Concerns in Maine
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 — Maine
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.