Environmental Rules in San Bernardino County, CA (2026)

San Bernardino County Code § 35.0118

A WQMP shall be prepared and submitted to the authorized representative for all projects subject to this requirement under the applicable MS4 permit. The WQMP shall include proposed structural BMPs as required in the applicable MS4 permit... In developing a WQMP, the owner(s)/user(s) shall demonstrate that the proposed structural BMPs will infiltrate, and/or adequately treat, the projected stor...

San Bernardino County Code § 63.0104

Appendix J - "Grading" is hereby amended by adding exemption 8 to Section J103.2 entitled "Exemptions" to read: 8. The sum of the total excavation and fill not exceeding 100 cubic yards.

San Bernardino County Code § 82.14.040

The FP Overlay shall be subdivided into flood hazard zone areas... The following are the FEMA-designated flood hazard zones for this area: A, AE, AH, A1-30, and AO... New construction and substantial improvement of any structure shall be so constructed that the first floor (including basement) shall be one foot above the natural pre-development highest adjacent grade.

California Public Resources Code Section 4291 (Defensible Space)

4291. (a) A person who owns, leases, controls, operates, or maintains a building or structure in the state responsibility area shall at all times do all of the following: (1) (A) Maintain defensible space of 100 feet from each side and from the front and rear of the structure, but not beyond the property line, except as provided in subparagraph (B). The amount of fuel modification necessary sha...

San Bernardino County Code § 83.01.040(c)(2)(A)

Off-road vehicles/equipment shall not be left idling on site for periods in excess of five minutes. The idling limit does not apply to: (I) Idling when queuing; (II) Idling to verify that the vehicle is in safe operating condition; (III) Idling for testing, servicing, repairing or diagnostic purposes; (IV) Idling necessary to accomplish work for which the vehicle was designed (such as operating...

California Title 24, Part 6 — Building Energy Efficiency Standards (Cool Roofs)

The Building Energy Efficiency Standards serve to reduce wasteful, uneconomical, and unnecessary uses of energy for the state. They include requirements in the Energy Code (Title 24, Part 6) and voluntary energy efficiency provisions in CALGreen (Title 24, Part 11). The Building Energy Efficiency Standards are updated every three years.

San Bernardino County Code § 82.14.050(d)(1)(A)-(D)

(d) Elevation and Flood-proofing. (1) Residential Structures. New construction and substantial improvement of any residential structure shall include having the lowest floor (including basement): (A) In AE, A1-30, AH Zones, elevated one foot above the base flood elevation. (B) In an AO zone, elevated above the highest adjacent grade to a height one foot above the depth number specified in feet ...