Waterproofing in Johnston, IA
Des Moines Basement Pros connects homeowners in Johnston and the surrounding area with local waterproofing providers.
📞 Call (515) 303-4161Services Available in Johnston
- Basement Waterproofing
- Interior Drain Tile
- Exterior Basement Waterproofing
- Wet Basement Repair
- Sump Pump Installation
- Sump Pump Replacement
- Battery Backup Sump Pump
- Sump Discharge Line & Freeze Protection
- Downspouts, Grading & Yard Drainage
- French Drain Installation
- Foundation Crack Repair
- Foundation Repair
- Bowing Basement Wall Repair
- Wall Anchors
- Carbon Fiber Wall Straps
- Piers & Underpinning
- Basement Wall Rebuild
- Crawl Space Encapsulation
- Basement Dehumidifier
- Radon Mitigation
- Radon Testing
- Egress Window Installation
- Backwater Valve & Sewer Backup
Johnston, north of Des Moines along the Des Moines River and Saylorville Lake, has about 24,400 residents (ACS 2024 5-year). The median home was built in 2004; about 3% of homes are older than 1960.
About 71% of occupied homes are owner-occupied, with a median value of $369,100. With mostly newer housing, sump pumps, discharge lines and finished-basement humidity are frequent topics, along with radon tests at the time of a sale.

Basement Waterproofing in Johnston, IA
Johnston: Key Facts and Sources
| Population | About 24,400 (24,384) (Source: U.S. Census Bureau, American Community Survey (2024 5-year), via Census Reporter) |
|---|---|
| Age of homes | Median year built 2004; about 3% built before 1960 (310 of 9,720 housing units) (Source: U.S. Census Bureau, American Community Survey (2024 5-year), via Census Reporter) |
| Owner-occupied homes | About 71% (6,554 of 9,259); median home value $369,100 (Source: U.S. Census Bureau, American Community Survey (2024 5-year), via Census Reporter) |
ZIP codes covered: 50131