Pleasanton, CA Environmental Rules: Flood Zones (2026)
FEMA flood zone rules in Pleasanton, 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
- PMC Chapter 17.08, Flood Damage Prevention
- Trigger
- Any development in a special flood hazard area
- Permit required
- Development permit from the city engineer
- Study adopted
- Flood Insurance Study dated 9/19/1984, as revised
- FIRM number
- Alameda County FIRM No. 060001 0115C
- Violation classification
- Misdemeanor
Summary
Pleasanton requires a development permit before any construction, filling, grading or land alteration in an area of special flood hazard, based on the city's 1984 Flood Insurance Study and FIRM No. 060001 0115C. Violations are a misdemeanor enforced by the city engineer as floodplain administrator.
No structure or land shall hereafter be constructed, located, extended, converted or altered without full compliance with the terms of this chapter and other applicable regulations. Violations of the provisions of this chapter by failure to comply with any of its requirements (including violations of conditions and safeguards established in connection with conditions) shall constitute a misdemeanor.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4955754; v17 updated 2026-06-02).
Full Breakdown
060). The Flood Insurance Study is kept on file at 200 Old Bernal Avenue. 080, "No structure or land shall hereafter be constructed, located, extended, converted or altered without full compliance with the terms of this chapter," and any subdivision or development proposal within a special flood hazard area larger than five lots or five acres, whichever is less, must include base flood elevation data. 140(D), and a description of any watercourse alteration. 130), reviewing permits, obtaining other required state and federal permits, and maintaining records of elevation certifications.
190 prohibits encroachments, including fill and new construction, unless a registered engineer or architect certifies no increase in flood levels will result. When FEMA base flood elevation data changes, the city must submit updated technical data to FEMA within six months. This is Pleasanton's own locally adopted floodplain ordinance, not a restatement of federal rules; it implements the city's Government Code Section 65302/65560/65800 land-use authority alongside the National Flood Insurance Program.
Violations & Fines
Violating any requirement of Chapter 17.08, including building without a permit in a special flood hazard area or violating conditions attached to a permit, constitutes a misdemeanor under § 17.08.080. The city council may also take other lawful action to prevent or remedy a violation. Appeals of the floodplain administrator's interpretation go through the variance and appeal board process in § 17.08.200.
Frequently Asked Questions
Do I need a permit to build in a Pleasanton flood zone?
What happens if I build without complying with the flood ordinance?
What map does Pleasanton use to identify flood zones?
Sources & Official References
Other rules in Pleasanton
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Flood Zones in Nearby Cities
How other cities in Alameda County handle flood zones.