Skip to main content
CityRuleLookup
🌍 Environmental Rules/Flood Zones

Flood Zones: Pasadena vs Santa Clarita

How do flood zones rules compare between Pasadena, CA and Santa Clarita, CA?

Pasadena and Santa Clarita have similar restriction levels.

Pasadena, CA

Los Angeles County

Heavy Restrictions

Pasadena has flood-prone areas along the Arroyo Seco and other waterways. The city participates in FEMA's NFIP. Construction in flood zones must meet FEMA elevation requirements and city floodplain management standards.

View full Pasadena rules β†’

Santa Clarita, CA

Los Angeles County

Heavy Restrictions

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 β†’

Key Facts Comparison

FactPasadenaSanta Clarita
NFIPParticipating communityParticipating community
Freeboard1 foot above base flood elevation-
Key AreasArroyo Seco, Eaton Wash-
HillsideAdditional drainage requirements-
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.

Pasadena FAQ

Is Pasadena in a flood zone?

Parts of Pasadena have FEMA flood zones along the Arroyo Seco and other waterways. Check FEMA flood maps for your property.

Can I build in a flood zone?

Yes, with proper permits. Construction must meet elevation requirements and the city's floodplain management standards.

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.

Want to add a third city?

Use our full comparison tool to compare up to three cities.

Open Comparison Tool