Moorpark, CA Environmental Rules: Flood Zones (2026)
FEMA flood zone rules in Moorpark, CA, also called floodplain regulations or special flood hazard area (SFHA) rules, determine flood insurance requirements and elevation standards for new construction.
Key Facts
- Permit required
- before any work in a mapped flood hazard area
- Administered by
- city engineer (floodplain administrator)
- Source maps
- 1984 FEMA Flood Insurance Study/FIRMs
- Violation
- misdemeanor
Summary
Moorpark requires a development permit before any construction, filling, grading, or dredging begins inside a FEMA-mapped special flood hazard area, administered by the city engineer.
A development permit shall be obtained before any construction or other development begins within any area of special flood hazard established in Section 15.24.070. Application for a development permit shall be made on forms furnished by the floodplain administrator and may include, but not be limited to: plans in duplicate drawn to scale showing the nature, location, dimensions, and elevation of the area in question; existing or proposed structures, fill, storage of materials, drainage facilities; and the location of the foregoing. Specifically, the following information is required:
A. Site plan, including, but not limited to: For all proposed structures, spot ground elevations at building corners and 20 foot or smaller intervals along the foundation footprint, or one foot contour elevations throughout the building site; and proposed locations of water supply, sanitary sewer, and utilities; and if available, the base flood elevation from the Flood Insurance Study and/or Flood Insurance Rate Map; and if applicable, the location of the regulatory floodway; and
B. Foundation design detail, including, but not limited to: Proposed elevation in relation to mean sea level, of the lowest floor (including basement) of all structures; and for a crawl-space foundation, location and total net area of foundation openings as required in Section l5.24.160(C)(3) of this chapter and FEMA Technical Bulletins 1-93 and 7-93; and
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4978490; v10 updated 2026-07-01).
Full Breakdown
Under the city's floodplain management chapter, no structure or land may be constructed, extended, converted, or altered within a mapped area of special flood hazard without a development permit reviewed by the floodplain administrator (the city engineer). Applicants submit site plans with ground elevations, foundation design, and drainage details. The special flood hazard areas are those shown on the FEMA Flood Insurance Study dated September 26, 1984, and the accompanying FIRMs, as later amended.
Violations & Fines
Building or developing in a special flood hazard area without a permit is a misdemeanor under Moorpark Municipal Code § 15.24.080; the city can also compel corrective action to remedy noncompliant work.
Frequently Asked Questions
Does Moorpark require a permit to build in a flood zone?
Who administers Moorpark's floodplain rules?
Sources & Official References
Other rules in Moorpark
California rules heatmap·Compare Moorpark to another location·View the California environmental rules overview
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Flood Zones in Nearby Cities
How other cities in Ventura County handle flood zones.