Environmental Rules in Santa Clarita, CA (2026)
6 verified environmental rules for Santa Clarita, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Santa Clarita bans illicit discharges and connections into its storm drain system under Municipal Code Section 10.04.020, requires construction sites to file a stormwater pollution prevention plan before grading, and makes any violation of Chapter 10.04 a misdemeanor.
Santa Clarita Stormwater Pollution Control Rules
Some RestrictionsSanta Clarita, CA, Municipal Code §§ 10.04.020, 10.04.080
§ 10.04.020. Illicit Discharges Prohibited. No person shall cause any illicit discharge to enter the MS4 unless such discharge: (1) is authorized by an NPDES permit; or (2) is associated with emergency fire fighting activities; or (3) is a permitted discharge which is exempt or conditionally exempt in accordance with an applicable order of the California Regional Water Quality Control Board—Los...
Erosion Control
Santa Clarita requires proof of a filed stormwater Notice of Intent and a completed Stormwater Pollution Prevention Plan before it issues a grading or building permit on projects that trigger the state construction permit. Municipal Code Section 10.04.070 also forces smaller sites to retain sediment on site and control slope erosion with BMPs, backed by misdemeanor penalties.
Santa Clarita Erosion and Sediment Control Rules
Some RestrictionsSanta Clarita, CA, Municipal Code Section 10.04.070 (Construction Activity Stormwater Measures)
Each person applying to the City for a grading or building permit, for projects for which compliance with regulations governing State Construction Activity Stormwater Permits ("GCASPs") is required, must submit satisfactory proof to City (i) that a notice of intent (NOI) to comply with the GCASP has been filed and (ii) that a stormwater pollution prevention plan has been prepared before the Cit...
Coastal Development
Santa Clarita is an inland city with no coastal zone. Coastal development regulations do not apply. The city is approximately 35 miles from the coast.
Santa Clarita Coastal Development Rules
Some RestrictionsCalifornia Coastal Commission - Coastal Zone Boundary Maps (Public Resources Code § 30103, Coastal Act of 1976)
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 Division 20 (the Coastal Act of 1976). PRC Section 3010...
Flood Zones
Santa Clarita requires a development permit before any construction, fill, grading or manufactured home placement in a FEMA-mapped special flood hazard area. The Director of Public Works, acting as Floodplain Administrator, reviews every application under Chapter 10.06 before work can start.
Santa Clarita Floodplain Development Permit Rules
Significant RestrictionsSanta Clarita, CA, Municipal Code § 10.06.030(C) (Compliance)
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. Violation of the requirements (including violations of conditions and safeguards established in connection with conditions) shall constitute a misdemeanor, and shall also be considered a municipal code violation su...
Defensible Space
Santa Clarita parcels in LA County Fire Hazard Severity Zones must maintain 100 feet of defensible space under California PRC 4291; LA County Fire Department's Brush Clearance Unit inspects annually and assesses a $500 fine plus $1,199 tax-bill charge for non-compliance.
Santa Clarita Defensible Space (LACoFD Brush Clearance)
Some RestrictionsCalifornia Public Resources Code § 4291(a)(1)(A) (Defensible Space in State Responsibility Areas)
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...
Flood Elevation Requirements
New homes and substantial improvements in Santa Clarita's mapped flood zones must have their lowest floor built at least one foot above the base flood elevation, a one-foot freeboard margin on top of FEMA's 100-year flood line set by Municipal Code Section 10.06.050.
Santa Clarita Base Flood Elevation Freeboard Rule
Significant RestrictionsSanta Clarita, CA, Municipal Code § 10.06.050(A)(3)(a) (Elevation and Floodproofing, Residential Construction)
All new construction or substantial improvements of residential structures shall have the lowest floor, including basement: i. In AE, AH, A1-A30 Zones, elevated to at least one (1) foot above the base flood elevation... Upon the completion of the structure, the elevation of the lowest floor, including basement, shall be certified by a registered civil engineer or licensed land surveyor, and ver...
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