Flood plain and storm damage info
Check if your property is in a flood plain, access FEMA resources, and get assistance after major storm damage.
Overview
Check your flood zone status using FEMA's interactive map at msc.fema.gov. Physical maps are available at the Government Center. After major storms, the City may activate its Storm Damage Assistance Program.
Before you begin
- 1
Check your property's flood zone at msc.fema.gov/portal/home.
- 2
For flood plain questions, contact Code Enforcement at (636) 227-2129.
- 3
Review physical flood plain maps at the Government Center during business hours.
- 4
After a major storm, check ballwin.mo.us for Storm Damage Assistance activation.
Frequently asked questions
How do I know if my property is in a flood plain?
Use FEMA's interactive Flood Map Service Center at msc.fema.gov or visit the Government Center to review physical maps.
Do I need flood insurance?
If in a designated flood zone, your lender may require it. FEMA recommends coverage even if not required.
Last reviewed: March 2026
Service information
- Who this helps
- Residents, property owners, and homebuyers
- Contact and hours
- Flood plain inquiries handled by Code Enforcement during business hours