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Baldwin Park, CA Environmental Rules: Flood Zones (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

FEMA flood zone rules in Baldwin Park, CA, also called floodplain regulations or special flood hazard area (SFHA) rules, determine flood insurance requirements and elevation standards for new construction.

Key Facts

Governing chapter
Municipal Code Ch. 155, Floodplain Management
Base flood standard
1% annual chance flood (100-year flood)
Administrator
Floodplain Administrator (CEO or designee)
Violation classification
Misdemeanor, § 155.004
Floodplain map location
Filed with Public Works Department

Summary

Baldwin Park requires a development permit review before any grading, filling or construction in a mapped floodplain, and makes violating the floodplain chapter a misdemeanor. Flood-resistant construction and anchoring are mandatory for new work in these areas.

§ 155.004 COMPLIANCE. No land within a floodplain shall be altered nor any new construction performed on such land without full compliance with the terms of this chapter. Violation of the requirements of this chapter (including violations of conditions and safeguards established in connection with conditions established under this chapter) shall constitute a misdemeanor. Nothing herein shall prevent the city from taking such lawful action as is necessary to prevent or remedy any violation.

Full Breakdown

003. A map of all floodplains is kept on file with the Public Works Department. 004, COMPLIANCE, no land within a floodplain may be altered and no new construction performed without full compliance with the chapter, and violating the chapter, including violating conditions attached to a permit issued under it, is a misdemeanor. 007 requires the Floodplain Administrator to confirm the chapter's requirements are met and that any state and federal permits needed for floodplain construction have been obtained. 008 sets minimum construction standards: new construction must be designed and anchored to resist flotation, collapse or lateral movement from hydrodynamic and hydrostatic loads including buoyancy, and must use flood-damage-resistant materials and equipment, with electrical, heating, plumbing and HVAC equipment located or designed to keep water out during flooding.

010 requires new water and sewer systems to be designed to prevent floodwater infiltration and system discharge into floodwaters. 005 makes the more stringent rule control if the chapter conflicts with an easement, covenant or another ordinance.

Violations & Fines

Altering land or building new construction in a mapped floodplain without complying with Chapter 155, or violating a condition attached to a floodplain development permit, is a misdemeanor under § 155.004, and the city may take further lawful action to prevent or remedy the violation.

Frequently Asked Questions

What counts as a floodplain under Baldwin Park's code?
Section 155.002 defines FLOODPLAIN as any land area subject to flooding during a base flood, meaning a flood with a 1% chance of occurring in a given year, as determined by the Floodplain Administrator using FEMA's Flood Insurance Rate Map for the city.
Is a permit required before building in a Baldwin Park floodplain?
Yes. Section 155.007 requires the Floodplain Administrator to review every development permit application for property in a floodplain and confirm the chapter's requirements, plus any needed state and federal floodplain permits, are satisfied before the permit issues.
What happens if someone builds in a floodplain without complying?
Section 155.004 makes it a misdemeanor to alter floodplain land or perform new construction without full compliance with Chapter 155, including any conditions attached to a permit, and the city can take additional lawful action to stop or remedy the violation.

Sources & Official References

Other rules in Baldwin Park

All Baldwin Park rules

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