5 county-level rules, plus city-specific rules for 1 city in Marin County, California.
Verified from official government sources
Marin County Fire Code (Ord. 3775) § 325.5 requires every parcel to be kept free of weeds, dead trees, and other hazardous vegetation that constitute a fire hazard. The Fire Marshal can order tall grass and brush mowed, cleared, or removed.
Marin County Fire Code Ord. 3775 §§ 325.5, 325.5.1, 325.9.1
325.5.1 Weeds, dead trees and rubbish to be destroyed or removed. No person who has any ownership or possessory interest in or control of a parcel of land shall allow to exist thereon any hazardous rubbish or weeds, trees, or other vegetation which constitutes a fire hazard. 325.9.1 The County fire code official may order the abatement of weeds, trees and rubbish and shall mail a copy of notice...
Marin County Development Code Chapters 22.27 (Native Tree Protection and Preservation) and 22.62 (Tree Removal Permits) require a Tree Removal Permit before removing Protected or Heritage trees in unincorporated Marin. Routine pruning is generally allowed, but heavy trimming or removal of native oaks and willows triggers permit review.
Marin County Code § 22.27.030 (Prohibition on Removal of Protected Trees); Ch. 22.62 (Tree Removal Permits)
Protected Trees shall not be removed except in compliance with Section 22.62.040 (Exemptions), and as provided for in Chapter 22.62 (Tree Removal Permits). A Tree Removal Permit is required where: more than two (2) Protected Trees are being removed from a developed lot in a 12-month period; the tree qualifies as a Heritage Tree; the tree is a Protected Tree or Heritage Tree and is located in a ...
Marin County Code Chapter 22.62 (Tree Removal Permits) requires a permit to remove protected native trees including Coast live oak, California bay, Douglas fir, and Coast redwood — and stricter rules apply to heritage trees. Removing more than two protected trees on a developed lot in 12 months triggers permitting.
Marin County Code Chapter 6.60 (Noxious Weeds) and Marin County Fire Code § 325.5 together prohibit allowing noxious weeds or hazardous vegetation to grow on a parcel in unincorporated Marin. The Agricultural Commissioner and Fire Marshal share enforcement.
Marin County Fire Code Ord. 3775 § 325.5.1; Marin County Code Ch. 6.60
325.5.1 Weeds, dead trees and rubbish to be destroyed or removed. No person who has any ownership or possessory interest in or control of a parcel of land shall allow to exist thereon any hazardous rubbish or weeds, trees, or other vegetation which constitutes a fire hazard. Dangerous vegetation or rubbish of a seasonal and recurrent nature constitute a public nuisance that must be abated by re...
In unincorporated Marin County served by Marin Municipal Water District (Marin Water), Ordinance 459 prohibits using district water to irrigate new ornamental lawn in commercial/municipal landscapes, and Ordinance 466 caps new residential turf at 20% of the newly landscaped area or 1,200 sq ft, whichever is less.
Marin Municipal Water District Ordinance No. 466 (Turf Limits and District Fixture Standards)
Marin Water adopted Ordinance No. 466, which restricts grass installation at newly constructed single-family homes and duplexes to no more than 20% of the newly landscaped area, with a maximum allowable grass area of 1,200 square feet. The prohibition shall apply to the residential landscapes of all newly developed single-family and duplex residences within the District for which a building per...
1 cities in Marin County have their own landscaping rules rules. Each link goes to that city's dedicated page with code citations.
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