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Environmental Rules in Twain Harte, CA (2026)

1 verified environmental rules for Twain Harte, California, sourced directly from the municipal code and official government pages.

Verified from official government sources

Defensible Space

Twain Harte sits in a State Responsibility Area, so California Public Resources Code 4291 requires homeowners to maintain 100 feet of defensible space around every structure. Cal Fire inspectors enforce annually.

PRC 4291: 100-Foot Defensible Space

Some Restrictions

Cal. Pub. Resources Code Sec. 4291 (Defensible Space - State Responsibility Area)

(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 shall con...

Looking for Tuolumne County county-wide rules?

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

Environmental Rules in Tuolumne County