How Much Does Basement Waterproofing Cost in St. Louis, MO?
Average basement waterproofing costs in St. Louis range from $5,903 to $7,986. Get a free, customized estimate below.
Basement Waterproofing Cost Breakdown — St. Louis, MO
| Item | Unit | Qty | Unit Price | Total |
|---|---|---|---|---|
| Interior French Drain | linear ft | 60 | $33.25 | $1995.00 |
| Sump Pump & Battery Backup | each | 1 | $617.50 | $617.50 |
| Wall Sealant / Vapor Barrier | sq ft | 800 | $3.80 | $3040.00 |
| Labor (excavation & install) | hr | 16 | $80.75 | $1292.00 |
| Estimated Total | $6,944.50 | |||
* Prices are estimates based on St. Louis market rates. Actual costs may vary based on project specifics.
Estimate
Ref ID: EST-2026-2Q9L
Date Issued
May 9, 2026
Client
Project Details
Site Address
Start Date
End Date
Scope of Work
Materials
| Material Specification | Units | Amount | Ext. Total | |
|---|---|---|---|---|
$ | $1,995 | |||
$ | $617.5 | |||
$ | $3,040 | |||
$ | $1,292 |
Labor
| Service Specification | Type | Hrs | Rate | Ext. Total | |
|---|---|---|---|---|---|
Craftsmanship Guarantee | $ | $600 |
Contractual Agreements & Conditions
Total
$7,544.5
Draft
Frequently Asked Questions — Basement Waterproofing in St. Louis
How much does basement waterproofing cost in St. Louis, MO?
The average cost for basement waterproofing in St. Louis, MO ranges from $5,903 to $7,986, depending on project scope, materials, and labor rates. St. Louis costs are close to the national average.
How do I get a free basement waterproofing estimate in St. Louis?
Use Brixor's free online estimate generator above. Enter your project details, customize line items for your specific needs, and download a professional PDF estimate instantly. No signup or credit card required.
What factors affect basement waterproofing costs in St. Louis?
Key factors include project size and complexity, material quality, labor rates in St. Louis (MO), permit requirements, accessibility of the work area, and seasonal demand. Getting multiple estimates is recommended.