Environmental Rules in Merced County, CA (2026)

1 rule for unincorporated Merced County, California.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Merced County. If you live within an incorporated city, that city's own rules apply — see the city list below.

Flood Zones

Merced County Code Chapter 18.26 (Special Flood Hazard Areas) governs FEMA-mapped floodplain development. Adopts FEMA Flood Insurance Study (Aug 2, 1995 + subsequent amendments) and FIRMs. Floodplain Development Permits required for any construction or substantial improvement in SFHAs; engineer/architect certifications required for building pads and elevations.

Environmental: Flood Zones

Some Restrictions

Full ordinance details →Official source ↗

All Merced County ordinances

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