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Environmental Rules in Berkeley, CA (2026)

8 verified environmental rules for Berkeley, California, sourced directly from the municipal code and official government pages.

Verified from official government sources

Stormwater Management

Berkeley Clean Stormwater Ordinance BMC Chapter 17.20 prohibits non-stormwater discharges to storm drains and requires stormwater treatment for projects creating or replacing 2,500 square feet of impervious surface.

Berkeley Stormwater Rules

Heavy Restrictions

Erosion Control

Berkeley requires erosion and sediment control plans for all grading permits and construction disturbing soil, with enhanced requirements in hillside and creek-adjacent areas.

Berkeley Erosion Control

Heavy Restrictions

Flood Zones

Berkeley participates in the NFIP with FEMA-mapped flood zones along Aquatic Park and the shoreline; development in Special Flood Hazard Areas requires elevation certificates and flood-resistant construction.

Berkeley Flood Zones

Heavy Restrictions

Grading & Drainage

Berkeley requires grading permits for earthwork over 50 cubic yards or cuts/fills over 3 feet under BMC Title 19, with enhanced review in Hillside Overlay and Alquist-Priolo zones.

Berkeley Grading and Drainage

Heavy Restrictions

Vehicle Idling Restrictions

Berkeley enforces California Air Resources Board idling rules limiting heavy-duty diesel idling to 5 minutes and prohibits unnecessary idling near schools and residences under city anti-idling policy.

Vehicle Idling Restrictions

Some Restrictions

Gas Leaf Blower Ban

Berkeley bans gasoline-powered leaf blowers citywide for both residents and commercial landscapers, aligned with California AB 1346 phase-out of small off-road gas engines.

Gas Leaf Blower Ban

Heavy Restrictions

California AB 1346 (2021) — Health and Safety Code § 43018.11 (zero-emission small off-road engines)

43018.11. (a) (1) By July 1, 2022, the state board shall, consistent with federal law, adopt cost-effective and technologically feasible regulations to prohibit engine exhaust and evaporative emissions from new small off-road engines, as defined by the state board. Those regulations shall apply to engines produced on or after January 1, 2024, or as soon as the state board determines is feasible...

Climate Emergency Mobilization

Berkeley adopted the first US Climate Action Plan in 2009 and declared a climate emergency in 2018, targeting carbon neutrality by 2045 with binding sector benchmarks updated in the 2024 CAP refresh.

Berkeley Climate Action Plan and Emergency Declaration

Heavy Restrictions

Cool Roof Requirements

Berkeley requires cool-roof products meeting California Energy Code Title 24 reflectance and emittance thresholds on most low-slope reroofs, supporting the citys heat-island mitigation goals.

Cool Roof Requirements for Reroofs

Some Restrictions

Looking for Alameda County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Berkeley city rules.

Environmental Rules in Alameda County