Floodplain Administrator
FLOODPLAIN ADMINISTRATOR
A FLOODPLAIN DEVELOPMENT PERMIT IS REQUIRED FOR ALL DEVELOPMENT IN ALL UNINCORPORATED AREAS OF GRIMES COUNTY. ONLY THE PROPERTY OWNER OR THEIR LEGAL REPRESENTATIVE MAY APPLY FOR A PERMIT. ALL OTHER PERMITS MUST BE ISSUED BEFORE THE FLOODPLAIN DEVELOPMENT PERMIT IS APPROVED.
Grimes County Commissioners Court Order Establishing Procedure for Connection of Electric Utilities
No person shall cause permanent electric utility service to be connected to any structure or any development site under their ownership or control until a Certificate of Compliance has been issued by Grimes County verifying compliance with Grimes County Regulations.
“Development” means any man-made change to improved and unimproved real estate, including but not limited to buildings or other structures, mining, dredging, filling, grading, paving, excavation or drilling operations or storage of equipment or materials.
Grimes County Flood Damage Prevention Order
Grimes County Floodplain Development Permit Application
The Grimes County Flood Damage Prevention Order approved January 21st, 2026 adopts the following as basis for establishing Areas of Special Flood Hazard (Floodplain):
1. The FEMA Flood Insurance Study (FIS) for Grimes County and Incorporated Areas dated April 3, 2012 with accompanying Flood Insurance Rate Maps (FIRM) dated April 3, 2012, and any revisions thereto; and
2. The Base Level Engineering analysis for FEMA Region 6 to include the 1% flood depth layers and associated elevations and cross sections.
Development in the Floodplain requires plans signed and sealed by a licensed Professional Engineer.
Structures located in the floodplain require an Elevation Certificate completed by a Registered Professional Land Surveyor.
Grimes County Floodplain Administrator:
Jonathan Steiber, P.E.
jonathan.steiber@grimescountytexas.gov
936-873-4436