Landscaping Rules in Glenn County, CA (2026)
4 rules for unincorporated Glenn County, California.
Verified from official government sources
Tree Trimming
In unincorporated Glenn County, trees on private property must be trimmed to keep seven feet of clearance over sidewalks and fourteen feet over streets. Glenn County Code Section 1.15.022(A)(5) treats inadequate clearance as a public nuisance, enforceable through the county's administrative citation and abatement process under Chapter 1.15.
Glenn County Tree Clearance Over Streets Rule
Some RestrictionsGlenn County Code § 1.15.022(A)(5)
It is unlawful and a public nuisance for any property owner or any person leasing, occupying or having possession, control or dominion of any premises in this county to maintain such premises or to permit, suffer or allow such premises to be maintained in such a manner that any one or more of the conditions or activities described in the following subsections are found to exist... A. ... Proper...
Weed Ordinances
Glenn County's Weed Control chapter (Title 7, Chapter 7.28, shown online as Chapter 280) declares uncontrolled grass, weeds, brush, and noxious vegetation on lots in the unincorporated county a public nuisance. After mailed or posted notice, the enforcing officer can require removal and, if the owner fails, abate it and impose the cost as a lien.
Glenn County Weed Abatement (Weed Control Ordinance)
Some RestrictionsGlenn County Code § 07.280.010 (Weed Control — Authority; Ord. 586 § 1, 1974)
This chapter is enacted pursuant to the authority of Sections 14930 and 14931 of the Health and Safety Code of the state of California, wherein it is provided that the board may enact ordinances to compel the owners, lessees, or occupants of buildings, grounds or lots in the unincorporated areas of the county to cut and remove hazardous weeds, rubbish, refuse and noxious vegetation from such pr...
Water Restrictions
In unincorporated Glenn County, letting required landscaping die from lack of water is a public nuisance under Glenn County Code Section 1.15.022(A)(6), which requires residential lawns and landscaping visible from the street to be watered enough to prevent dead or dying growth and fire hazards, unless water rationing has been imposed.
Glenn County Landscape Watering Nuisance Rule
Some RestrictionsGlenn County Code § 1.15.022(A)(6)
Failure to install or to maintain landscaping required by this code or other requirements of the county. Required landscape maintenance under this section includes, but is not limited to, providing adequate watering to maintain and prevent fire hazards such as dead and dying lawns or other landscaping plantings in all residential districts when any residential lawn or landscaping planting has b...
Composting
New landscaping in unincorporated Glenn County over 500 square feet, or landscape rehab over 2,500 square feet, must work compost into the soil under the county's Model Water Efficient Landscape Ordinance rule. Anyone pulling a building, planning, or landscape design review permit has to meet the county's specific compost rate and mulch depth.
Glenn County Landscape Compost Requirement
Some RestrictionsGlenn County Code § 7.08.795.130
Property owners or their building or landscape designers, including anyone requiring building or planning permit, plan check, or landscape design review from Glenn County, who are constructing a new (single-family, multi-family, public, institutional, or commercial) project with a landscape area greater than 500 square feet, or rehabilitating an existing landscape with a total landscape area gr...
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