Environmental Rules in Tuolumne County, CA (2026)

2 county-level rules, plus city-specific rules for 1 city in Tuolumne County, California.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Tuolumne County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Coastal Development

Tuolumne County is an inland Sierra Nevada foothill county with no coastline. The California Coastal Act and Coastal Development Permits do not apply. The county is located approximately 130 miles east of the Pacific coast.

Tuolumne County Coastal Development

Some Restrictions

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...

Full ordinance details →Official source ↗

Defensible Space

Property owners in unincorporated Tuolumne County must maintain 100 feet of defensible space around all structures under California Public Resources Code 4291 and Tuolumne County Ordinance Code Chapter 8.14 (Hazardous Vegetation Management). Most of the county is a State Responsibility Area protected by CAL FIRE Tuolumne-Calaveras Unit (TCU), and AB 3074 added a mandatory 0-5 foot ember-resistant Zone 0 to the framework.

Tuolumne County Defensible Space Requirements

Some Restrictions

California Public Resources Code Section 4291

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...

Full ordinance details →Official source ↗

Environmental Rules by City in Tuolumne County

1 cities in Tuolumne County have their own environmental rules rules. Each link goes to that city's dedicated page with code citations.

Twain HartePop. 2,378

1 verified rule • Defensible Space

All Tuolumne County ordinances

See every category we cover for Tuolumne County: parking, noise, fences, fires, animals, pools, and more.

Tuolumne County Ordinance Hub →