Crawl Space Repair in St. Louis, Missouri
Reviewed by Michael Peterson· Licensed Home Inspector
13 crawl space companies serve St. Louis, Missouri, together holding 5,098 customer reviews. Jet Foundation Repair is the highest-rated at 5.0★ (91 reviews). Local crawl space repair typically runs $1,700–$6,650, and full encapsulation $3,450–$8,900. The most common services offered here are waterproofing, foundation repair, insulation.
Find trusted local contractors for crawl space encapsulation in St. Louis, waterproofing in St. Louis, mold removal in St. Louis, and more in St. Louis.
Local Price Estimates — St. Louis
* 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. Louis
7038 Grassy Valley Dr, St. Louis, MO 63129
32 reviews
1550 U.S. Rte 66 Suite B, Lebanon, MO 65536
12 reviews
3636 S Geyer Rd, St. Louis, MO 63127
91 reviews
200 S Elam Ave, Valley Park, MO 63088
179 reviews
1127 Country Stone Dr, Manchester, MO 63088
323 reviews
1625 Larkin Williams Rd, Fenton, MO 63026
1662 reviews
6107 Baumgartner Crossing, St. Louis, MO 63129
57 reviews
8204 Exchange Way, St. Louis, MO 63144
128 reviews
2451 N Lark Dr, Fenton, MO 63026
21 reviews
524 Vandalia St, Collinsville, IL 62234
2463 reviews
1906 Claudine Dr, St. Louis, MO 63138
0 reviews
FAQs — Crawl Space Services in St. Louis
How much does crawl space repair cost in St. Louis?
Crawl space repair in St. Louis, Missouri typically costs between $1,700 and $6,650, depending on the extent of damage and services required. With 13 local companies to compare, getting 2–3 quotes usually saves 15–30%.
How much does crawl space encapsulation cost in St. Louis?
Crawl space encapsulation in St. Louis typically costs between $3,450 and $8,900. The price depends on the size of your crawl space and the materials used.
Who is the top-rated crawl space company in St. Louis?
Jet Foundation Repair is the highest-rated crawl space contractor in St. Louis with a 5.0★ rating from 91 reviews. Fred's Foundation Repair and Waterproofing (5.0★, 32 reviews) is also highly rated. Ratings shown are from public customer reviews.
How many crawl space contractors serve St. Louis?
13 crawl space companies are listed for St. Louis. The average local rating is 4.9★ across 5,098 reviews. Contractors in nearby Springfield and O'Fallon also serve the area.
What crawl space services are available in St. Louis?
St. Louis contractors most commonly offer waterproofing, foundation repair, insulation, alongside repair, insulation, cleaning, and inspection. Compare providers above to see who offers what.
What should St. Louis homeowners know before hiring a crawl space contractor?
Radon is the #2 cause of lung cancer in the US, and Midwest homes are in a high-radon zone. If you are encapsulating your crawl space, add a radon mitigation system at the same time — bundling saves $500–$1,000 vs. separate installations. Always verify licensing and insurance, and get itemized quotes from at least two St. Louis-area companies before signing.
Crawl Space Concerns in Missouri
The Midwest combines multiple crawl space risks: radon gas seeping through soil, clay soils that move seasonally, and extreme weather events. A properly encapsulated crawl space with radon mitigation addresses the most serious health and structural risks in this region.
Local Tip — Missouri
Radon is the #2 cause of lung cancer in the US, and Midwest homes are in a high-radon zone. If you are encapsulating your crawl space, add a radon mitigation system at the same time — bundling saves $500–$1,000 vs. separate installations.
Recommended services for St. Louis:
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Pro Tip
Prices vary by location, crawl space size, and severity. Always get 2–3 quotes before hiring.