Basement Waterproofing in Kirkwood, MO
Most houses in Kirkwood, MO sit on block or poured basements from after the Second World War. Describe the dampness, crack or pump trouble you see, and this free referral service sends it on to a single independent contractor nearby, who books a visit and puts a price on paper.
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Dry Basements Start Here in Kirkwood, MO
Kirkwood is known as the first planned suburb west of the Mississippi: platted in 1852 and incorporated in 1865, it is named for railroad engineer James P. Kirkwood. Kirkwood Station, built in 1893, still serves Amtrak riders. About 29,331 people live here (2025 Census estimate), roughly 14 miles west-southwest of downtown St. Louis.
This page comes from a referral service, not a waterproofing business. It carries no Kirkwood license or any other, sends nobody to dig or drill and writes no bids. Contractors may pay it for advertising, free for now during a trial; homeowners are never billed or rewarded.
Mid-Century Basements Across Kirkwood, MO
The median Kirkwood home was built in 1962, the 1950s were the busiest building decade, and only about 17% of homes predate 1940 (Census survey). About 77% are owner-occupied, with a median value of $451,400.
So block and poured walls sit under most houses. Block lets damp through hollow cores and joints; poured walls leak more at cracks, form-tie holes and the cove. Older homes near the National Register-listed downtown may have stone or brick.
- A horizontal crack in a block wall. A crack along a mortar course, or a wall leaning in, is worth a look soon.
- A pump that runs in dry weather. Cycling days after rain can mean groundwater sits high under the slab.
- Puddles at the cove joint. Water at the wall-floor seam usually reflects soil pressure outside.
How Each Service Fits Kirkwood, MO
- Sump pumps. Ask where the discharge will end up; the FAQ below explains why it matters here.
- Full basement waterproofing. For block basements seeping on several walls, an interior drain feeding a sump is common.
- Foundation crack repair. Injection suits many poured-wall cracks; a bowing block wall may need more.
- Basement drainage. Downspout extensions and regrading keep roof water off the foundation.
- Leak repair. One damp window well or pipe opening can often be fixed alone.
Read more about foundation crack repair or sump pump installation.
Sugar Creek, Clay and Groundwater
Sugar Creek winds through Kirkwood. In July 2018 the city council turned down a rezoning on Bach Avenue after testimony that it would add to flooding along the creek.
Regionally, July 26, 2022 brought 8.64 inches to Lambert airport, breaking a one-day record from 1915 (National Weather Service), and St. Louis Public Radio reported April 2025 as the city's wettest April on record. Loess and clay over limestone cover much of the area (U.S. Geological Survey), and clay can hold water against a wall long after a storm.
Groundwater is on City Hall's agenda too: a 2026 revision of Kirkwood's stormwater ordinance proposes basement-depth limits tied to groundwater levels.
Licenses and Permits in Kirkwood, MO
Every contractor working in Kirkwood needs a Kirkwood Contractor's Business License, with an insurance certificate filed through the city's portal; another city's license doesn't stand in. Ask for it before anyone starts.
The Building Division, on the lower level of City Hall at 139 S Kirkwood Rd, 314-822-5823, issues permits for plumbing and sewer lateral work. A sump tied to the drain or a backflow valve is plumbing, so ask in writing who handles it and who pulls the permit; the contractor confirms what your job requires.
Kirkwood, MO Costs and the Lateral Program
Nobody publishes a Kirkwood-only price, so these rows are national. Two seeping block walls price very differently from a full perimeter.
| Cost row | Figure | Source (year) |
|---|---|---|
| Typical basement waterproofing project | about $3,000 to $10,000 (average about $5,000) | Fixr national (2026) |
| Interior perimeter drain, per linear foot | $40 to $120 | Fixr national (2026) |
| Sump pump installation | $600 to $2,500 | Fixr national (2026) |
| Epoxy crack injection, per crack | $250 to $1,000 | Fixr national (2026) |
| Waterproof paint or sealant, per sq ft | $1 to $8 | Fixr national (2026) |
Sewer laterals follow their own path (see the FAQ). The cost calculator gives a rough range for a drain and pump.
Local Help, One Request
- On your schedule. One independent contractor reaches out to set a time; nobody else gets your details.
- Local streets, local walls. From Meacham Park, founded in 1892, to the blocks by the depot, requests go to a contractor already working here.
- Numbers in writing. Feet of drain, pump model, discharge point, warranty terms and payments tied to progress.
Also request proof of liability insurance and workers' comp, plus references. Pass on any offer wanting cash, the full price up front or a signature before the contractor leaves.
Start With Your Address
Enter your address in the area check. Unsure what is behind the water? The wet basement checker points you toward gutters, a contractor visit or a full system.
Kirkwood, MO FAQ
Kirkwood runs its own utilities. Who handles a sewer backup?
Kirkwood supplies its own water and electricity, but sewers belong to MSD. Report a backup to MSD's 24-hour line, (314) 768-6260. If MSD's system was at fault, ask about reimbursement and its Sewer Backup Prevention Program for repeat backups.
Where should my sump pump discharge?
Away from the foundation, and never into the wastewater sewer without asking. Kirkwood's proposed stormwater rules would route sump water to MSD storm sewers where available, so ask the Building Division what applies on your street.
Will the proposed stormwater ordinance affect waterproofing an existing basement?
The 2026 proposal covers basement depth and sump discharge, which matter most for new or deepened basements. Its final form may differ, so check its status with the city before signing for drainage changes.
How does Kirkwood's lateral program pay?
For homes with six or fewer units, the city pays 75% of the invoice directly to the contractor and keeps its own list of contractors for the work. A broken lateral is the owner's pipe, so start with the Building Division before anyone digs.
Nearby Towns
Other St. Louis County pages cover Webster Groves, MO next door to the east, Chesterfield, MO farther west and University City, MO nearer the City.
Reach a Contractor in the Kirkwood, MO Area
Snap a photo of the wet spot, note when it appears and send the form below. An independent contractor serving Kirkwood will be in touch about a visit; hiring is up to you.