Crawl Space Repair in St. Charles, Missouri
Reviewed by Michael Peterson· Licensed Home Inspector
26 crawl space companies serve St. Charles, Missouri, together holding 5,085 customer reviews. Missouri Basement is the highest-rated at 5.0★ (320 reviews). Local crawl space repair typically runs $1,450–$6,000, and full encapsulation $3,050–$8,150. The most common services offered here are crawl space repair, foundation repair, mold removal.
Find trusted local contractors for crawl space encapsulation in St. Charles, waterproofing in St. Charles, mold removal in St. Charles, and more in St. Charles.
Local Price Estimates — St. Charles
* 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. Charles
5377 State Rte N Suite 496, Cottleville, MO 63304, USA
276 reviews
100 Hawning Rd Unit C, St Charles, MO 63301, USA
320 reviews
7038 Grassy Valley Dr, St. Louis, MO 63129, USA
33 reviews
11870 Dorsett Rd, Maryland Heights, MO 63043, USA
320 reviews
2201 N 3rd St, St Charles, MO 63301, USA
11 reviews
62 Spring Trail Ct, St Charles, MO 63303, USA
27 reviews
3636 S Geyer Rd, St. Louis, MO 63127, USA
96 reviews
302 S Main St, O'Fallon, MO 63366, USA
18 reviews
2722 S St Peters Pkwy #1, St Peters, MO 63303, USA
106 reviews
3220 Everwood Run, St Charles, MO 63303, USA
4 reviews
7938 Town Square Ave, Dardenne Prairie, MO 63368, USA
169 reviews
5377 State Rte N Suite 479, Cottleville, MO 63304, USA
78 reviews
1625 Larkin Williams Rd, Fenton, MO 63026, USA
1672 reviews
200 S Elam Ave UNIT 200, Valley Park, MO 63088, USA
357 reviews
14420 Cazado Dr, Chesterfield, MO 63017, USA
167 reviews
17600 Chesterfield Airport Rd Suite 203, Chesterfield, MO 63005, USA
329 reviews
1140 Birdie Hills Rd, St Peters, MO 63376, USA
35 reviews
2103 Penta Dr, High Ridge, MO 63049, USA
83 reviews
460 St Peters Howell Rd, St Charles, MO 63304, USA
280 reviews
8204 Exchange Way, St. Louis, MO 63144, USA
128 reviews
100 Chesterfield Business Pkwy Suite 255, Chesterfield, MO 63005, USA
14 reviews
13586 NW Industrial Dr Suite D, Bridgeton, MO 63044, USA
26 reviews
2434 W Clay St, St Charles, MO 63303, USA
2 reviews
FAQs — Crawl Space Services in St. Charles
How much does crawl space repair cost in St. Charles?
Crawl space repair in St. Charles, Missouri typically costs between $1,450 and $6,000, depending on the extent of damage and services required. With 26 local companies to compare, getting 2–3 quotes usually saves 15–30%.
How much does crawl space encapsulation cost in St. Charles?
Crawl space encapsulation in St. Charles typically costs between $3,050 and $8,150. The price depends on the size of your crawl space and the materials used.
Who is the top-rated crawl space company in St. Charles?
Missouri Basement is the highest-rated crawl space contractor in St. Charles with a 5.0★ rating from 320 reviews. Moldman St. Louis (5.0★, 320 reviews) is also highly rated. Ratings shown are from public customer reviews.
How many crawl space contractors serve St. Charles?
26 crawl space companies are listed for St. Charles. The average local rating is 4.8★ across 5,085 reviews. Contractors in nearby St. Louis and Springfield also serve the area.
What crawl space services are available in St. Charles?
St. Charles contractors most commonly offer crawl space repair, foundation repair, mold removal, alongside repair, insulation, cleaning, and inspection. Compare providers above to see who offers what.
What should St. Charles 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. Charles-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. Charles:
Get Free Quotes in St. Charles, Missouri
Compare prices from local crawl space professionals. No obligation.
Helpful Guides
Pro Tip
Prices vary by location, crawl space size, and severity. Always get 2–3 quotes before hiring.