ST. LOUIS / MISSOURI

Basement waterproofing
companies.

Compare 20 companies with evidence of basement waterproofing service and coverage in the St. Louis area. Positions reflect dated Google ratings adjusted for review volume. Read the sources, compare proposals and check the requirements for your project.

OCTOBER 2026 · FIRST EDITION20 ranked companiesHow we rank ↗
20 companies

Positions compare Google ratings adjusted for review volume. They do not measure workmanship, safety or price. Search keeps edition positions unchanged.

1

Missouri Basement ↗

Basement waterproofing, foundation repairs and egress-window services from St. Charles.

LISTED ADDRESS

100 Hawning Rd Unit C, St Charles, MO 63301

Listing observed Oct 24, 2026
BENCHMARK SCORE95.2Volume-adjusted score / 100

Google: 5.0 from 367 reviews · Oct 24, 2026 · Adjusted rating 4.952 / 5

Sources, services & limitations

COMPANY-ADVERTISED SERVICES & COVERAGE

Official homepage identifies basement waterproofing/foundation repair company; St. Charles listing and on-site local project testimony establish locality.

Company source ↗Reviewed 2026-10-24

BEFORE YOU HIRE

Website statements establish advertised services and coverage, not completed work or independently tested performance. The Google score describes the matched listing and can include reviews of other services. It does not isolate foundation or waterproofing jobs.

Licensing, insurance, engineering, permits and warranty terms are not scored or certified here. Check these for your address and proposed work. Ask whether the quoted crew is employed or subcontracted.

Listing phone: +1 636-487-4792

Scoring and inclusion rules ↗
2

Home Shield Foundation Repair ↗

Piering, crawl-space repairs and basement waterproofing; serves St. Louis, St. Charles, Warren and Lincoln counties.

LISTED ADDRESS

9390 Veterans Memorial Pkwy, O'Fallon, MO 63366

Listing observed Oct 24, 2026
BENCHMARK SCORE95.0Volume-adjusted score / 100

Google: 5.0 from 353 reviews · Oct 24, 2026 · Adjusted rating 4.950 / 5

Sources, services & limitations

COMPANY-ADVERTISED SERVICES & COVERAGE

Piering, crawl-space repairs and basement waterproofing; serves St. Louis, St. Charles, Warren and Lincoln counties.

Company source ↗Reviewed 2026-10-24

BEFORE YOU HIRE

Website statements establish advertised services and coverage, not completed work or independently tested performance. The Google score describes the matched listing and can include reviews of other services. It does not isolate foundation or waterproofing jobs.

Licensing, insurance, engineering, permits and warranty terms are not scored or certified here. Check these for your address and proposed work. Ask whether the quoted crew is employed or subcontracted.

Listing phone: +1 314-350-4388

Scoring and inclusion rules ↗
3

Jet Foundation Repair ↗

Foundation settlement, piers, bowing basement walls and waterproofing; St. Louis company describes an engineer-led approach.

LISTED ADDRESS

3636 S Geyer Rd, St. Louis, MO 63127

Listing observed Oct 24, 2026
BENCHMARK SCORE89.9Volume-adjusted score / 100

Google: 5.0 from 148 reviews · Oct 24, 2026 · Adjusted rating 4.899 / 5

Sources, services & limitations

COMPANY-ADVERTISED SERVICES & COVERAGE

Foundation settlement, piers, bowing basement walls and waterproofing; St. Louis company describes an engineer-led approach.

Company source ↗Reviewed 2026-10-24

BEFORE YOU HIRE

Website statements establish advertised services and coverage, not completed work or independently tested performance. The Google score describes the matched listing and can include reviews of other services. It does not isolate foundation or waterproofing jobs.

Licensing, insurance, engineering, permits and warranty terms are not scored or certified here. Check these for your address and proposed work. Ask whether the quoted crew is employed or subcontracted.

Listing phone: +1 314-648-8648

Scoring and inclusion rules ↗
4

Helitech Waterproofing & Foundation Repair ↗

Local service-area page lists foundation stabilization and basement waterproofing, with crawl-space and concrete services.

LISTED ADDRESS

8251 Bunkum Rd, Caseyville, IL 62232

Listing observed Oct 24, 2026
BENCHMARK SCORE89.5Volume-adjusted score / 100

Google: 4.9 from 2,808 reviews · Oct 24, 2026 · Adjusted rating 4.895 / 5

Sources, services & limitations

COMPANY-ADVERTISED SERVICES & COVERAGE

Company-advertised services and geography in page title and body.

Company source ↗Reviewed 2026-10-24

BEFORE YOU HIRE

Website statements establish advertised services and coverage, not completed work or independently tested performance. The Google score describes the matched listing and can include reviews of other services. It does not isolate foundation or waterproofing jobs.

Licensing, insurance, engineering, permits and warranty terms are not scored or certified here. Check these for your address and proposed work. Ask whether the quoted crew is employed or subcontracted.

Listing phone: +1 618-235-5595

Scoring and inclusion rules ↗
T-5

Perma Jack of St. Louis ↗

Settlement and bowed-wall repairs, basement waterproofing and drainage across Greater St. Louis.

LISTED ADDRESS

1127 Country Stone Dr, Manchester, MO 63088

Listing observed Oct 24, 2026
BENCHMARK SCORE86.6Volume-adjusted score / 100

Google: 4.9 from 395 reviews · Oct 24, 2026 · Adjusted rating 4.866 / 5

Sources, services & limitations

COMPANY-ADVERTISED SERVICES & COVERAGE

Company-advertised services and geography in page title and body.

Company source ↗Reviewed 2026-10-24

BEFORE YOU HIRE

Website statements establish advertised services and coverage, not completed work or independently tested performance. The Google score describes the matched listing and can include reviews of other services. It does not isolate foundation or waterproofing jobs.

Licensing, insurance, engineering, permits and warranty terms are not scored or certified here. Check these for your address and proposed work. Ask whether the quoted crew is employed or subcontracted.

Listing phone: +1 636-225-2553

Scoring and inclusion rules ↗
T-5

Quality Waterproofing + Insulation ↗

Combines foundation repairs and waterproofing with insulation services in St. Louis.

LISTED ADDRESS

200 S Elam Ave Unit 200, Valley Park, MO 63088

Listing observed Oct 24, 2026
BENCHMARK SCORE86.6Volume-adjusted score / 100

Google: 4.9 from 387 reviews · Oct 24, 2026 · Adjusted rating 4.866 / 5

Sources, services & limitations

COMPANY-ADVERTISED SERVICES & COVERAGE

Combines foundation repairs and waterproofing with insulation services in St. Louis.

Company source ↗Reviewed 2026-10-24

BEFORE YOU HIRE

Website statements establish advertised services and coverage, not completed work or independently tested performance. The Google score describes the matched listing and can include reviews of other services. It does not isolate foundation or waterproofing jobs.

Licensing, insurance, engineering, permits and warranty terms are not scored or certified here. Check these for your address and proposed work. Ask whether the quoted crew is employed or subcontracted.

Listing phone: +1 314-455-7434

Scoring and inclusion rules ↗
7

Stratum Structural Systems ↗

Foundation settlement and bowing-wall repairs, basement waterproofing and egress windows around St. Louis.

LISTED ADDRESS

17600 Chesterfield Airport Rd Suite 203, Chesterfield, MO 63005

Listing observed Oct 24, 2026
BENCHMARK SCORE86.2Volume-adjusted score / 100

Google: 4.9 from 347 reviews · Oct 24, 2026 · Adjusted rating 4.862 / 5

Sources, services & limitations

COMPANY-ADVERTISED SERVICES & COVERAGE

Company-advertised services and geography in page title and body.

Company source ↗Reviewed 2026-10-24

BEFORE YOU HIRE

Website statements establish advertised services and coverage, not completed work or independently tested performance. The Google score describes the matched listing and can include reviews of other services. It does not isolate foundation or waterproofing jobs.

Licensing, insurance, engineering, permits and warranty terms are not scored or certified here. Check these for your address and proposed work. Ask whether the quoted crew is employed or subcontracted.

Listing phone: +1 314-620-8153

Scoring and inclusion rules ↗
8

STL Polyjack ↗

Foundation stabilization, basement leak repair and polyurethane concrete lifting for St. Louis properties.

LISTED ADDRESS

12951 Gravois Rd #100, Sappington, MO 63127

Listing observed Oct 24, 2026
BENCHMARK SCORE85.0Volume-adjusted score / 100

Google: 4.9 from 253 reviews · Oct 24, 2026 · Adjusted rating 4.850 / 5

Sources, services & limitations

COMPANY-ADVERTISED SERVICES & COVERAGE

Company offers foundation stabilization in St. Louis.

Company source ↗Reviewed 2026-10-24

Company offers basement leak sealing and waterproofing in St. Louis.

Company source ↗Reviewed 2026-10-24

BEFORE YOU HIRE

Website statements establish advertised services and coverage, not completed work or independently tested performance. The Google score describes the matched listing and can include reviews of other services. It does not isolate foundation or waterproofing jobs.

Licensing, insurance, engineering, permits and warranty terms are not scored or certified here. Check these for your address and proposed work. Ask whether the quoted crew is employed or subcontracted.

Listing phone: +1 314-350-7327

Scoring and inclusion rules ↗
9

Foundation Recovery Systems St Louis ↗

Foundation stabilization, basement waterproofing and concrete lifting in the St. Louis service area.

LISTED ADDRESS

1625 Larkin Williams Rd, Fenton, MO 63026

Listing observed Oct 24, 2026
BENCHMARK SCORE79.5Volume-adjusted score / 100

Google: 4.8 from 2,129 reviews · Oct 24, 2026 · Adjusted rating 4.795 / 5

Sources, services & limitations

COMPANY-ADVERTISED SERVICES & COVERAGE

Company-advertised services and geography in page title and body.

Company source ↗Reviewed 2026-10-24

BEFORE YOU HIRE

Website statements establish advertised services and coverage, not completed work or independently tested performance. The Google score describes the matched listing and can include reviews of other services. It does not isolate foundation or waterproofing jobs.

Licensing, insurance, engineering, permits and warranty terms are not scored or certified here. Check these for your address and proposed work. Ask whether the quoted crew is employed or subcontracted.

Listing phone: +1 314-207-9995

Scoring and inclusion rules ↗
10

HIGH & DRY foundation repair ↗

Foundation crack repairs, basement piering, wall bracing and waterproofing across Greater St. Louis.

LISTED ADDRESS

2103 Penta Dr, High Ridge, MO 63049

Listing observed Oct 24, 2026
BENCHMARK SCORE79.1Volume-adjusted score / 100

Google: 4.9 from 87 reviews · Oct 24, 2026 · Adjusted rating 4.791 / 5

Sources, services & limitations

COMPANY-ADVERTISED SERVICES & COVERAGE

Foundation crack repairs, basement piering, wall bracing and waterproofing across Greater St. Louis.

Company source ↗Reviewed 2026-10-24

BEFORE YOU HIRE

Website statements establish advertised services and coverage, not completed work or independently tested performance. The Google score describes the matched listing and can include reviews of other services. It does not isolate foundation or waterproofing jobs.

Licensing, insurance, engineering, permits and warranty terms are not scored or certified here. Check these for your address and proposed work. Ask whether the quoted crew is employed or subcontracted.

Listing phone: +1 636-273-1150

Scoring and inclusion rules ↗
11

Ram Jack St. Louis ↗

Foundation settlement repairs, driven/helical piers and basement waterproofing in St. Louis and St. Charles.

LISTED ADDRESS

1000 Fox Chase Industrial Dr, Arnold, MO 63010

Listing observed Oct 24, 2026
BENCHMARK SCORE76.3Volume-adjusted score / 100

Google: 4.8 from 219 reviews · Oct 24, 2026 · Adjusted rating 4.763 / 5

Sources, services & limitations

COMPANY-ADVERTISED SERVICES & COVERAGE

Foundation settlement repairs, driven/helical piers and basement waterproofing in St. Louis and St. Charles.

Company source ↗Reviewed 2026-10-24

BEFORE YOU HIRE

Website statements establish advertised services and coverage, not completed work or independently tested performance. The Google score describes the matched listing and can include reviews of other services. It does not isolate foundation or waterproofing jobs.

Licensing, insurance, engineering, permits and warranty terms are not scored or certified here. Check these for your address and proposed work. Ask whether the quoted crew is employed or subcontracted.

Listing phone: +1 314-309-2254

Scoring and inclusion rules ↗
12

Crawlspace Medic of St. Louis ↗

Basement waterproofing and crawl-space moisture control across Greater St. Louis.

LISTED ADDRESS

8204 Exchange Way, St. Louis, MO 63144

Listing observed Oct 24, 2026
BENCHMARK SCORE74.4Volume-adjusted score / 100

Google: 4.8 from 129 reviews · Oct 24, 2026 · Adjusted rating 4.744 / 5

Sources, services & limitations

COMPANY-ADVERTISED SERVICES & COVERAGE

Basement waterproofing and crawl-space moisture control across Greater St. Louis.

Company source ↗Reviewed 2026-10-24

BEFORE YOU HIRE

Website statements establish advertised services and coverage, not completed work or independently tested performance. The Google score describes the matched listing and can include reviews of other services. It does not isolate foundation or waterproofing jobs.

Licensing, insurance, engineering, permits and warranty terms are not scored or certified here. Check these for your address and proposed work. Ask whether the quoted crew is employed or subcontracted.

Listing phone: +1 314-936-5114

Scoring and inclusion rules ↗
13

Crackstoppers Foundation Repair & Waterproofing ↗

Basement wall crack repairs, drain tile and wall stabilization in St. Louis and St. Charles counties.

LISTED ADDRESS

62 Spring Trail Ct, St Charles, MO 63303

Listing observed Oct 24, 2026
BENCHMARK SCORE73.7Volume-adjusted score / 100

Google: 5.0 from 26 reviews · Oct 24, 2026 · Adjusted rating 4.737 / 5

Sources, services & limitations

COMPANY-ADVERTISED SERVICES & COVERAGE

Basement wall crack repairs, drain tile and wall stabilization in St. Louis and St. Charles counties.

Company source ↗Reviewed 2026-10-24

BEFORE YOU HIRE

Website statements establish advertised services and coverage, not completed work or independently tested performance. The Google score describes the matched listing and can include reviews of other services. It does not isolate foundation or waterproofing jobs.

Licensing, insurance, engineering, permits and warranty terms are not scored or certified here. Check these for your address and proposed work. Ask whether the quoted crew is employed or subcontracted.

Listing phone: +1 636-262-8458

Scoring and inclusion rules ↗
14

Waterproof Solutions ↗

Foundation repairs, drain tile and sump pumps; Missouri-only coverage within 50 miles of Fenton.

LISTED ADDRESS

524 Gravois Rd, Fenton, MO 63026

Listing observed Oct 24, 2026
BENCHMARK SCORE73.6Volume-adjusted score / 100

Google: 4.8 from 106 reviews · Oct 24, 2026 · Adjusted rating 4.736 / 5

Sources, services & limitations

COMPANY-ADVERTISED SERVICES & COVERAGE

Official homepage offers foundation repairs and basement waterproofing.

Company source ↗Reviewed 2026-10-24

BEFORE YOU HIRE

Website statements establish advertised services and coverage, not completed work or independently tested performance. The Google score describes the matched listing and can include reviews of other services. It does not isolate foundation or waterproofing jobs.

Licensing, insurance, engineering, permits and warranty terms are not scored or certified here. Check these for your address and proposed work. Ask whether the quoted crew is employed or subcontracted.

Listing phone: +1 636-343-4379

Scoring and inclusion rules ↗
15

Crack Wizard ↗

Foundation repairs, crack repairs and waterproofing in St. Louis and surrounding areas.

LISTED ADDRESS

6107 Baumgartner Crossing, St. Louis, MO 63129

Listing observed Oct 24, 2026
BENCHMARK SCORE71.9Volume-adjusted score / 100

Google: 4.8 from 73 reviews · Oct 24, 2026 · Adjusted rating 4.719 / 5

Sources, services & limitations

COMPANY-ADVERTISED SERVICES & COVERAGE

Official services include foundation repair and waterproofing.

Company source ↗Reviewed 2026-10-24

BEFORE YOU HIRE

Website statements establish advertised services and coverage, not completed work or independently tested performance. The Google score describes the matched listing and can include reviews of other services. It does not isolate foundation or waterproofing jobs.

Licensing, insurance, engineering, permits and warranty terms are not scored or certified here. Check these for your address and proposed work. Ask whether the quoted crew is employed or subcontracted.

Listing phone: +1 314-332-1300

Scoring and inclusion rules ↗
16

Woods Basement Systems, Inc. ↗

Basement waterproofing and foundation repairs across Greater St. Louis, including Missouri and Illinois communities.

LISTED ADDRESS

524 Vandalia St, Collinsville, IL 62234

Listing observed Oct 24, 2026
BENCHMARK SCORE69.8Volume-adjusted score / 100

Google: 4.7 from 2,954 reviews · Oct 24, 2026 · Adjusted rating 4.698 / 5

Sources, services & limitations

COMPANY-ADVERTISED SERVICES & COVERAGE

Basement waterproofing and foundation repairs across Greater St. Louis, including Missouri and Illinois communities.

Company source ↗Reviewed 2026-10-24

BEFORE YOU HIRE

Website statements establish advertised services and coverage, not completed work or independently tested performance. The Google score describes the matched listing and can include reviews of other services. It does not isolate foundation or waterproofing jobs.

Licensing, insurance, engineering, permits and warranty terms are not scored or certified here. Check these for your address and proposed work. Ask whether the quoted crew is employed or subcontracted.

Listing phone: +1 618-708-4055

Scoring and inclusion rules ↗
17

Atlas Foundation Solutions LLC ↗

Foundation crack repairs, piering, sump pumps and basement waterproofing; serves St. Louis and St. Charles communities.

LISTED ADDRESS

2451 N Lark Dr, Fenton, MO 63026

Listing observed Oct 24, 2026
BENCHMARK SCORE66.3Volume-adjusted score / 100

Google: 4.8 from 23 reviews · Oct 24, 2026 · Adjusted rating 4.663 / 5

Sources, services & limitations

COMPANY-ADVERTISED SERVICES & COVERAGE

Foundation crack repairs, piering, sump pumps and basement waterproofing; serves St. Louis and St. Charles communities.

Company source ↗Reviewed 2026-10-24

BEFORE YOU HIRE

Website statements establish advertised services and coverage, not completed work or independently tested performance. The Google score describes the matched listing and can include reviews of other services. It does not isolate foundation or waterproofing jobs.

Licensing, insurance, engineering, permits and warranty terms are not scored or certified here. Check these for your address and proposed work. Ask whether the quoted crew is employed or subcontracted.

Listing phone: +1 636-677-7400

Scoring and inclusion rules ↗
18

Certified Waterproofing Inc. ↗

Basement waterproofing, foundation work and tuckpointing; advertises experience with older St. Louis homes.

LISTED ADDRESS

7719 Water St, St. Louis, MO 63111

Listing observed Oct 24, 2026
BENCHMARK SCORE65.7Volume-adjusted score / 100

Google: 4.8 from 20 reviews · Oct 24, 2026 · Adjusted rating 4.657 / 5

Sources, services & limitations

COMPANY-ADVERTISED SERVICES & COVERAGE

Basement waterproofing, foundation work and tuckpointing; advertises experience with older St. Louis homes.

Company source ↗Reviewed 2026-10-24

BEFORE YOU HIRE

Website statements establish advertised services and coverage, not completed work or independently tested performance. The Google score describes the matched listing and can include reviews of other services. It does not isolate foundation or waterproofing jobs.

Licensing, insurance, engineering, permits and warranty terms are not scored or certified here. Check these for your address and proposed work. Ask whether the quoted crew is employed or subcontracted.

Listing phone: +1 314-352-2080

Scoring and inclusion rules ↗
19

Acculevel ↗

Local Acculevel service page offers foundation repairs, basement waterproofing and crawl-space services.

LISTED ADDRESS

5000 Cedar Plaza Pkwy Ste 203, St. Louis, MO 63128

Listing observed Oct 24, 2026
BENCHMARK SCORE63.4Volume-adjusted score / 100

Google: 4.7 from 26 reviews · Oct 24, 2026 · Adjusted rating 4.634 / 5

Sources, services & limitations

COMPANY-ADVERTISED SERVICES & COVERAGE

Primary local page identifies service coverage and repair scope. Companywide review badges are not used for scoring.

Company source ↗Reviewed 2026-10-24

BEFORE YOU HIRE

Website statements establish advertised services and coverage, not completed work or independently tested performance. The Google score describes the matched listing and can include reviews of other services. It does not isolate foundation or waterproofing jobs.

Licensing, insurance, engineering, permits and warranty terms are not scored or certified here. Check these for your address and proposed work. Ask whether the quoted crew is employed or subcontracted.

Listing phone: +1 314-315-8860

Scoring and inclusion rules ↗
20

Dannegger Brothers ↗

Foundation repair, interior/exterior waterproofing, stress bracing and piering for St. Louis properties.

LISTED ADDRESS

2385 Verna Ave, Maryland Heights, MO 63043

Listing observed Oct 24, 2026
BENCHMARK SCORE51.8Volume-adjusted score / 100

Google: 4.4 from 35 reviews · Oct 24, 2026 · Adjusted rating 4.518 / 5

Sources, services & limitations

COMPANY-ADVERTISED SERVICES & COVERAGE

Foundation repair, interior/exterior waterproofing, stress bracing and piering for St. Louis properties.

Company source ↗Reviewed 2026-10-24

BEFORE YOU HIRE

Website statements establish advertised services and coverage, not completed work or independently tested performance. The Google score describes the matched listing and can include reviews of other services. It does not isolate foundation or waterproofing jobs.

Licensing, insurance, engineering, permits and warranty terms are not scored or certified here. Check these for your address and proposed work. Ask whether the quoted crew is employed or subcontracted.

Listing phone: +1 314-993-1833

Scoring and inclusion rules ↗

Compare more than price.

  1. Ask what caused the problem and how the proposal addresses it.
  2. Get the repair or drainage plan, exclusions and warranty in writing.
  3. Confirm engineering, permit responsibility and who performs the work.

Different work.
Different comparisons.

Foundation stabilization and basement water management answer different problems. A company appears in both categories only when its advertised services support both. This researched sample is not a census of every contractor.