Environmental Rules in San Leandro, CA (2026)
4 verified environmental rules for San Leandro, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
San Leandro's Storm Water Management and Discharge Control Ordinance (SLMC Ch. 3-15) bans dumping anything but rain into the storm drain system, requires a City permit before building work touches a creek, and sets a 30-foot no-development buffer from a creek's center line.
San Leandro Storm Drain Discharge Rules
Some RestrictionsSan Leandro Municipal Code § 3-15-220 (Watercourse Protection), Title 3, Chapter 3-15, Article 2
Carry out development within thirty feet (30′) of the center line of any creek or twenty feet (20′) of the top of a bank; Deposit in, plant in, or remove any material from a watercourse including its banks, except as required for necessary maintenance... No person shall commit or cause to be committed any of the following acts, unless a written authorization has first been obtained from the Cit...
Erosion Control
Grading permits in San Leandro require a civil-engineer-prepared erosion, sedimentation, and drainage control plan before the City Engineer signs off on any cut or fill over the code's size thresholds. The plan must follow the ABAG erosion-control manual and meet the water-quality standards of the city's own Storm Water Management and Discharge Control Program Ordinance.
San Leandro Grading Permit Erosion Control Rules
Some RestrictionsSan Leandro, CA, Municipal Code § 7-12-230 (Permit Application - Erosion Control and Sedimentation Control, and Drainage Plans), Chapter 7-12, Article 2
Erosion control and sedimentation control, and drainage plans shall be prepared by a Civil Engineer and shall be subject to the approval of the City Engineer. Overall, the plans shall ensure that storm water from the site meets the quality standards dictated by the "Storm Water Management and Discharge Control Program Ordinance No. 92-011." The erosion and sediment control plans shall be prepar...
Flood Zones
San Leandro requires a development permit before any construction or land alteration in a mapped special flood hazard area, under the city's Floodplain Management chapter. The Building Official serves as Floodplain Administrator and reviews every application against FEMA's Flood Insurance Study and Flood Insurance Rate Maps before approving work in the flood zone.
San Leandro Floodplain Development Permit Rules
Significant RestrictionsSan Leandro, CA, Municipal Code § 7-9-400 (Establishment of Development Permit), Chapter 7-9, Article 4
A development permit shall be obtained before any construction or development begins within any area of special flood hazard established in Section 7-9-305. 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 a...
Flood Elevation Requirements
Any new home or substantial improvement in a San Leandro flood zone must sit at or above the base flood elevation, with a registered engineer or surveyor certifying the finished elevation to the Floodplain Administrator. California recommends building at least one extra foot above that line as freeboard, though the enforceable local minimum is the base flood elevation itself.
San Leandro Base Flood Elevation Standards
Significant RestrictionsSan Leandro, CA, Municipal Code § 7-9-500(c) (Elevation and Floodproofing), Chapter 7-9, Article 5
(c) Elevation and Floodproofing: (1) Residential construction, new or substantial improvements, shall have the lowest floor, including basement: (i) In an AO Zone, elevated above the highest adjacent grade to a height equal to or exceeding the depth number specified in feet on the FIRM, or elevated at least two feet above the highest adjacent grade if no depth number is specified. (The State of...
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