Landscaping Rules in San Bernardino County, CA (2026)
7 county-level rules, plus city-specific rules for 8 cities in San Bernardino County, California.
Verified from official government sources
Tree Trimming
Trees inside a clear sight triangle at any intersection or driveway must be trimmed to eight feet above the adjoining curb, exempting them from the county's 30-inch obstruction limit that otherwise applies to fences, signs, and shrubs.
San Bernardino County Tree Clearance At Sight Triangles
Some RestrictionsSan Bernardino County Code § 83.02.030(a)
Adequate visibility for vehicular and pedestrian traffic shall be provided at clear sight triangles at all 90 degree angle intersections of public rights-of-way and private driveways. (1) Prohibited. The following shall be prohibited within a clear sight triangle: (A) Monument signs. (B) Hedges or shrubbery. (2) Maximum Height Requirements. The following sh...
Tree Removal & Heritage Trees
Removing a native tree six inches or more in trunk diameter in the unincorporated county requires a Tree or Plant Removal Permit under County Code § 88.01.040 and § 88.01.050, reviewed by the Director or Fire Chief.
San Bernardino County Tree Removal Permit
Significant RestrictionsSan Bernardino County Code § 88.01.070(b)
(b) Regulated Trees. The following trees shall only be removed with an approved Tree or Plant Removal Permit issued in compliance with § 88.01.050 (Tree or Plant Removal Permits): (1) Native Trees. A living, native tree with a six inch or greater stem diameter or 19 inches in circumference measured four and one-half feet above natural grade level.
Weed Ordinances
San Bernardino County's weed abatement is handled through its Fire Hazard Abatement program under County Code Sections 23.0301 to 23.0319. Owners of unincorporated land must clear flammable weeds, grass over four inches, tumbleweeds, and combustible debris, and maintain defensible space around structures, or face a County abatement notice.
San Bernardino County Weed Abatement Ordinance
Light RestrictionsCal. Food & Agricultural Code Sec. 5004 (Noxious Weed — Definition)
5004. "Noxious weed" means any species of plant that is, or is liable to be, troublesome, aggressive, intrusive, detrimental, or destructive to agriculture, silviculture, or important native species, and difficult to control or eradicate, which the director, by regulation, designates to be a noxious weed. In determining whether or not a species shall be designated a noxious weed for the purpose...
Water Restrictions
Day-to-day outdoor watering limits in unincorporated San Bernardino County are set by your local water purveyor and by statewide rules from the State Water Resources Control Board, not by a County watering-days ordinance. State law permanently prohibits wasteful uses such as hosing hard surfaces and watering that runs off or follows rainfall.
San Bernardino County Water Use Restrictions
Heavy RestrictionsCA DWR Model Water Efficient Landscape Ordinance (MWELO) — Local Adoption Required
Model Water Efficient Landscape Ordinance (MWELO). The MWELO is also referenced by Title 24, Part 11, Chapters 4 and 5 CalGreen Building Code. All local agencies must adopt, implement, and enforce the MWELO or a local Water Efficient Landscape Ordinance (WELO) that is at least as effective as the MWELO. Usually, local agencies that adopt WELOs create a more stringent ordinance than MWELO. The p...
Rainwater Harvesting
Rainwater harvesting is legal and encouraged in unincorporated San Bernardino County. California's Rainwater Capture Act lets residents install rain barrels for outdoor, non-potable use without a local permit. The County does not prohibit rainwater capture, and its Development Code promotes stormwater retention through bio-swales and infiltration.
San Bernardino County Rainwater Harvesting Rules
Significant RestrictionsCalifornia Water Code Sections 10570-10574 (Rainwater Capture Act of 2012, AB 1750)
PART 2.4. Rainwater Capture Act of 2012 10570. This part shall be known, and may be cited, as the Rainwater Capture Act of 2012. 10571. The Legislature finds and declares all of the following: (a) As California has grown and developed, the amount of stormwater flowing off buildings, parking lots, roads, and other impervious surfaces into surface water streams, flood channels, and storm sewers h...
Native Plants
San Bernardino County's Development Code requires native and drought-tolerant plants in new and rehabilitated landscaping, and Chapter 88.01 protects native trees and desert plants from removal. Joshua trees and listed desert natives are regulated. Owners are encouraged to landscape with natives, but removing protected natives requires a permit.
San Bernardino County Native Plant Landscaping Rules
Some RestrictionsCalifornia Model Water Efficient Landscape Ordinance (MWELO)
About 40% of the water Californians use at home is used outdoors. Large water savings can be gained by efficient landscape design, installation, management, and maintenance. This is accomplished by choosing climate adapted plants, improving soil conditions, using, and maintaining high efficiency irrigation equipment and managing the irrigation schedule to fit the plants water needs as they are ...
Artificial Turf
San Bernardino County's Development Code does not ban artificial turf and actively directs that natural turf be minimized to save water. Synthetic turf is an accepted water-saving alternative for unincorporated properties, though large landscape projects must still meet the Code's water-efficient design and stormwater standards.
San Bernardino County Artificial Turf Rules
Heavy RestrictionsCal. Civil Code Sec. 4735 (HOA May Not Prohibit Artificial Turf or Low-Water Plants)
4735. (a) Notwithstanding any other law, a provision of the governing documents or architectural or landscaping guidelines or policies shall be void and unenforceable if it does any of the following: (1) Prohibits, or includes conditions that have the effect of prohibiting, the use of low water-using plants as a group or as a replacement of existing turf. (2) Prohibits, or includes conditions t...
Landscaping Rules by City in San Bernardino County
8 cities in San Bernardino County have their own landscaping rules rules. Each link goes to that city's dedicated page with code citations.
7 verified rules • Artificial Turf, Composting
7 verified rules • Artificial Turf, Native Plants
7 verified rules • Artificial Turf, Native Plants
7 verified rules • Artificial Turf, Composting
6 verified rules • Artificial Turf, Composting
6 verified rules • Composting, Native Plants
3 verified rules • Tree Removal & Heritage Trees, Water Restrictions
8 verified rules • Artificial Turf, Composting
All San Bernardino County ordinances
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