Crawl Space Repair in Florissant, Missouri

Reviewed by Michael Petersonยท Licensed Home Inspector

20 crawl space companies serve Florissant, Missouri, together holding 9,198 customer reviews. Missouri Basement is the highest-rated at 5.0โ˜… (320 reviews). Local crawl space repair typically runs $1,450โ€“$6,100, and full encapsulation $2,900โ€“$8,050. The most common services offered here are foundation repair, waterproofing, crawl space repair.

Find trusted local contractors for crawl space encapsulation in Florissant, waterproofing in Florissant, mold removal in Florissant, and more in Florissant.

Local Price Estimates โ€” Florissant

Encapsulation$2,900โ€“$8,050
Repair$1,450โ€“$6,100
Waterproofing$1,450โ€“$4,700
Mold Removal$500โ€“$3,700
Inspection$150โ€“$400

* 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 Florissant

100 Hawning Rd Unit C, St Charles, MO 63301, USA

5.0

320 reviews

Drainage

62 Spring Trail Ct, St Charles, MO 63303, USA

5.0

27 reviews

WaterproofingFoundation Repair

1281 Graham Rd #305, Florissant, MO 63031, USA

5.0

6 reviews

Mold Removal

5377 State Rte N Suite 496, Cottleville, MO 63304, USA

5.0

276 reviews

Foundation Repair

7038 Grassy Valley Dr, St. Louis, MO 63129, USA

5.0

33 reviews

WaterproofingFoundation Repair

7733 Forsyth Blvd Suite 1159, Clayton, MO 63105, USA

5.0

9 reviews

Crawl Space Repair

3636 S Geyer Rd, St. Louis, MO 63127, USA

5.0

96 reviews

Foundation Repair

200 Yachtview Dr, West Alton, MO 63386, USA

5.0

7 reviews

Crawl Space Repair

12154 Lackland Rd, St. Louis, MO 63146, USA

4.9

179 reviews

Mold Removal

1625 Larkin Williams Rd, Fenton, MO 63026, USA

4.9

1672 reviews

Foundation Repair

200 S Elam Ave UNIT 200, Valley Park, MO 63088, USA

4.9

357 reviews

WaterproofingFoundation Repair

8251 Bunkum Rd, Caseyville, IL 62232, USA

4.9

2313 reviews

WaterproofingFoundation Repair

14420 Cazado Dr, Chesterfield, MO 63017, USA

4.9

167 reviews

Insulation

13590 NW Industrial Dr, Bridgeton, MO 63044, USA

4.9

538 reviews

Insulation

11139 S Towne Square, St. Louis, MO 63123, USA

4.9

445 reviews

Insulation

2103 Penta Dr, High Ridge, MO 63049, USA

4.9

83 reviews

Foundation Repair

8204 Exchange Way, St. Louis, MO 63144, USA

4.8

128 reviews

Crawl Space Repair

524 Vandalia St, Collinsville, IL 62234, USA

4.7

2502 reviews

Drainage

1409 Washington Ave UNIT 417, St. Louis, MO 63103, USA

4.7

26 reviews

Foundation Repair

4550 Woodson Rd, St. Louis, MO 63134, USA

3.5

14 reviews

Crawl Space Repair

FAQs โ€” Crawl Space Services in Florissant

How much does crawl space repair cost in Florissant?

Crawl space repair in Florissant, Missouri typically costs between $1,450 and $6,100, depending on the extent of damage and services required. With 20 local companies to compare, getting 2โ€“3 quotes usually saves 15โ€“30%.

How much does crawl space encapsulation cost in Florissant?

Crawl space encapsulation in Florissant typically costs between $2,900 and $8,050. The price depends on the size of your crawl space and the materials used.

Who is the top-rated crawl space company in Florissant?

Missouri Basement is the highest-rated crawl space contractor in Florissant with a 5.0โ˜… rating from 320 reviews. Home Shield Foundation Repair (5.0โ˜…, 276 reviews) is also highly rated. Ratings shown are from public customer reviews.

How many crawl space contractors serve Florissant?

20 crawl space companies are listed for Florissant. The average local rating is 4.8โ˜… across 9,198 reviews. Contractors in nearby St. Louis and Springfield also serve the area.

What crawl space services are available in Florissant?

Florissant contractors most commonly offer foundation repair, waterproofing, crawl space repair, alongside repair, insulation, cleaning, and inspection. Compare providers above to see who offers what.

What should Florissant 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 โ€” bundling saves $500โ€“$1,000 vs. separate installations. Always verify licensing and insurance, and get itemized quotes from at least two Florissant-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.

!Radon levels in Midwest crawl spaces are among the highest nationally โ€” testing is essential
!Heavy clay soils expand when wet and contract when dry, stressing foundations
!Flash flooding and storm water overwhelm drainage systems regularly
!Temperature swings from -10ยฐF to 100ยฐF stress crawl space materials year-round
!Tornado and severe storm damage to foundations is more common in this region

Local Tip โ€” 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 โ€” bundling saves $500โ€“$1,000 vs. separate installations.

Get Free Quotes in Florissant, Missouri

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Pro Tip

Prices vary by location, crawl space size, and severity. Always get 2โ€“3 quotes before hiring.