All construction or fill within a floodplain requires a floodplain management permit. If you plan to build or grade within a federal or local floodplain, contact Water Resources staff at (916) 874-6851. Non-permitted floodplain construction or fill should be reported to (916) 875-RAIN.
All proposed new structures or substantial improvement of existing structures in a flood hazard area must be constructed at least 18 inches above the flood hazard elevation.
All new structures shall be protected from the Base Flood.Contact Information
For questions or additional concerns about building in a floodplain, please call (916) 874-9138.
Our Front Counter service is also available at:
Building Assistance Center
827 7th Street, Room 102
Sacramento, CA 95814
Note: Building Assistance Center customers can park free for up to 1 hour at the County Administration Center parking garage at the corner of G Street and 7th Street. Park on the second story of the garage and walk across the overpass bridge to the County building (700 H Street). Ask the security officer for directions to the Building Assistance Center.