1 county-level rule, plus city-specific rules for 2 cities in Jefferson County, Colorado.
Verified from official government sources
Jefferson County participates in the FEMA National Flood Insurance Program (NFIP) under FIS 08059CV001D and administers Section 30 (Floodplain Overlay District) of the Zoning Resolution. A Floodplain Development Permit is required before any work in a Special Flood Hazard Area mapped on the FEMA FIRM. Substantial improvements (50% of market value, cumulative over 5 years) trigger full compliance. Colorado state rules at 2 CCR 408-1 require 1 ft of freeboard above base flood elevation for residential structures.
2 cities in Jefferson County have their own environmental rules rules. Each link goes to that city's dedicated page with code citations.
See every category we cover for Jefferson County — parking, noise, fences, fires, animals, pools, and more.
Jefferson County Ordinance Hub →