Crestwood, MO Flood Risk Guide: Protecting Your Home from Water Damage

Flooding can happen anywhere — and Crestwood, MO is no exception. While not in a coastal zone, many neighborhoods experience storm runoff, flash flooding, and sewer backups that lead to serious home water damage.

At Purisync Heating and Air, we help local homeowners prepare for and recover from flood events. This guide explains Crestwood’s flood risk areas, how to reduce your exposure, and what to do if your home floods.

Is Crestwood, MO in a Flood Zone?

While much of Crestwood is not in a high-risk FEMA flood zone, parts near Gravois Creek, Grant’s Trail, and low-lying drainage areas may experience flooding during:

• Heavy thunderstorms
• Snowmelt in early spring
• Backed-up storm drains or sewers

You can look up your exact flood risk at msc.fema.gov.

Common Causes of Flooding in Crestwood Homes

• Improper drainage or clogged gutters
• Failing or missing sump pump systems
• Foundation cracks and basement leaks
• Heavy rainfall exceeding stormwater system capacity
• Sewer backups in low-lying homes

How to Protect Your Crestwood Home

1. Install a backup sump pump and battery system
2. Use downspout extenders to move water 6+ feet from foundation
3. Seal foundation cracks and basement windows
4. Install leak detection systems and water alarms
5. Maintain your gutters and landscape for drainage

What to Do If Your Home Floods

1. Shut off water and power if safe
2. Call Purisync at (314) 338-5111 for 24/7 emergency water removal
3. Take photos and video of affected areas
4. Contact your insurance provider
5. Avoid using HVAC systems until inspected (see HVAC after flood guide)

Are You Covered by Flood Insurance?

Standard homeowners insurance typically does not cover flood damage. If you live in or near a flood-prone area in Crestwood, consider a separate flood insurance policy through FEMA or private providers.

Flood Help for Crestwood, MO Homeowners

Purisync Heating and Air offers professional water damage restoration, inspection, and cleanup in Crestwood and nearby communities:

• Affton
• Kirkwood
• Sappington
• Webster Groves
• Town and Country

Need help now? Request service online or call (314) 338-5111 for flood cleanup in Crestwood, MO.