Landscaping Rules in Solano County, CA (2026)
3 county-level rules, plus city-specific rules for 3 cities in Solano County, California.
Verified from official government sources
Tree Trimming
Unincorporated Solano County has no general ordinance regulating how you trim trees on your own property. For wildfire safety in the State Responsibility Area, California Public Resources Code Section 4291 requires clearing limbs and vegetation to maintain 100 feet of defensible space, including removing dead branches and creating vertical clearance. Boundary-tree and overhanging-limb disputes are handled under California Civil Code, not county code.
Solano County Tree Trimming: Defensible Space Drives Pruning
Some RestrictionsSolano County Code Chapter 31 (Ordinance 1087, effective January 25, 1980)
Exposure of soil to erosion by removal of vegetation shall be limited to the smallest area practical and for the shortest time practical.
Weed Ordinances
Unincorporated Solano County does not have a separate numbered weed-abatement chapter; overgrown, dead, or hazardous vegetation is abated as a public nuisance under Solano County Code Chapter 10. In the State Responsibility Area, California Public Resources Code Section 4291 requires 100 feet of defensible space, and local fire districts inspect for hazardous vegetation. The Agricultural Commissioner separately controls noxious and invasive weeds.
Solano County Weed Abatement: Nuisance + State Fire Law
Few RestrictionsSolano County Code Chapter 10 (Abatement of Public Nuisances)
An enforcement officer or hearing officer may order any person who causes, permits or maintains or threatens to cause, permit or maintain a nuisance, to abate the nuisance.
Water Restrictions
Unincorporated Solano County adopts the California Model Water Efficient Landscape Ordinance (MWELO) at Solano County Code Chapter 13.5, applying to new landscapes of 500+ square feet and rehabilitated landscapes of 2,500+ square feet. Day-to-day drought and outdoor-watering restrictions are set by the State Water Resources Control Board and by individual local water suppliers, not by a county watering-schedule ordinance.
Solano County Water Restrictions: WELO Plus State Rules
Some RestrictionsSolano County Water Efficient Landscapes Program (implementing 23 CCR Sec. 490-495)
New landscape projects with total landscape area at least 500 square feet or renovated landscape area at least 2500 square feet must be approved prior to project installation.
Landscaping Rules by City in Solano County
3 cities in Solano County have their own landscaping rules rules. Each link goes to that city's dedicated page with code citations.
All Solano County ordinances
See every category we cover for Solano County: parking, noise, fences, fires, animals, pools, and more.
Solano County Ordinance Hub →