Flood Zones: Los Angeles vs Santa Clarita
How do flood zones rules compare between Los Angeles, CA and Santa Clarita, CA?
Los Angeles and Santa Clarita have similar restriction levels.
Los Angeles, CA
Los Angeles County
The Specific Plan for Management of Flood Hazards (Ordinance 172,081) is the primary regulation governing development in LA flood zones. The Los Angeles Flood Hazard Map (LAFHM) designates floodways, floodplains, mud-prone areas, and coastal high-hazard zones. LAMC 19.07 establishes fees for flood hazard compliance checks by the Bureau of Engineering.
View full Los Angeles rules →Santa Clarita, CA
Los Angeles County
Santa Clarita has significant FEMA-mapped flood zones, particularly along the Santa Clara River and its tributaries. Development in flood hazard areas is heavily restricted under SCMC Title 15. Buildings, fences, and fill are prohibited in flood zones except as specifically authorized.
View full Santa Clarita rules →Key Facts Comparison
| Fact | Los Angeles | Santa Clarita |
|---|---|---|
| Primary Law | Ordinance 172,081 (Specific Plan) | - |
| Compliance Fee | $273 per check (LAMC 19.07) | - |
| Flood Map | LA Flood Hazard Map (LAFHM) | - |
| NFIP | City participates in federal flood insurance | Participating community |
| Zone Types | Floodway, floodplain, mud-prone, coastal | - |
| Code Section | - | SCMC Title 15 |
| Flood Areas | - | Santa Clara River and tributaries |
| Restrictions | - | Buildings, fences, fill all restricted |
| ADUs | - | Must comply with flood zone rules |
Highlighted rows indicate differences between cities.
Los Angeles FAQ
How do I check if my LA property is in a flood zone?
Check the Los Angeles Flood Hazard Map (LAFHM) through the Bureau of Engineering's website or request a flood hazard report. The Bureau charges $273 for a formal compliance check under LAMC 19.07. FEMA flood maps are also available through the NFIP.
Do I need special permits to build in an LA flood zone?
Yes. Development in any designated flood hazard area requires flood clearance from the Bureau of Engineering under Ordinance 172,081. You may need elevation certificates, floodproofing certificates, and compliance with both the city Specific Plan and NFIP requirements.
Santa Clarita FAQ
Is my Santa Clarita property in a flood zone?
Check FEMA's Flood Map Service Center or contact Santa Clarita's planning department. Properties near the Santa Clara River and tributary washes are most likely in flood hazard areas.
Can I build a fence in a Santa Clarita flood zone?
Fences in flood hazard areas require permits and must comply with SCMC Title 15 floodplain regulations. Standard fence permit exemptions do not apply in flood zones.
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