Environmental Rules in San Diego County, CA (2026)

San Diego County Code § 67.804

It is unlawful for any person to: (a) Discharge or cause the discharge of pollutants or non-stormwater directly or indirectly into the stormwater conveyance system or receiving waters, except as set forth in Section 67.805 or as otherwise authorized by law; ... (d) Throw, deposit, leave, abandon, maintain, or keep materials or wastes on public or private lands in a manner and place where they m...

San Diego County Code § 67.809

All owners of land on which a construction project is performed and all persons performing the work...shall ensure that the following additional types of BMPs shall be installed, implemented, and maintained year round: (1) Project planning; (2) Good site management "Housekeeping", including waste management; (3) Non-stormwater management; (4) Erosion control; (5) Sediment control; (6) Run-on an...

California Coastal Commission — Coastal Zone Boundary Maps (Public Resources Code § 30103; Coastal Act of 1976)

ate the need for a formal boundary determination. Public Resources Code (PRC) Section 30103(a) specifically defines California's Coastal Zone as that land and water area of the State of California from the Oregon border to the border of the Republic of Mexico depicted on maps identified and set forth in Section 17 of that chapter of the Statutes of the 1975-76 Regular Session enacting PRC Divis...

San Diego County Code § 811.501(c)(1)

All new construction, substantial improvements and placement of a residential structure within a special flood hazard area located outside an alluvial fan shall have the lowest floor, including basement, mechanical and utility equipment, and ductwork, but excluding garages used solely for parking or storing vehicles, access to or from the residence or storage in a manner that prevents stored ob...

San Diego County Code § 96.2.604 (Sec. 604.6)

A fuel modification zone shall be required around every building that is designed primarily for human habitation or use, or a building designed specifically to house farm animals. Decks, sheds, gazebos, freestanding open-sided shade covers and similar accessory structures less than 120 square feet and 50 feet or more from a dwelling, and fences more than 5 feet from a dwelling, are not consider...

San Diego County Code § 811.501

All new construction, substantial improvements and placement of a residential structure within a special flood hazard area located outside an alluvial fan shall have the lowest floor, including basement, mechanical and utility equipment, and ductwork, but excluding garages used solely for parking or storing vehicles, access to or from the residence or storage in a manner that prevents stored ob...