Landscaping Rules in Pomona, CA (2026)
8 verified landscaping rules for Pomona, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Grass Height Limits
Pomona Code Compliance enforces vegetation maintenance. Tall, dead, diseased, or overgrown vegetation is prohibited year-round. Failure to maintain property may result in abatement and Code Enforcement citations.
Pomona Grass & Vegetation Maintenance Requirements
Some RestrictionsTree Trimming
Pomona regulates tree trimming under its Tree Preservation Program and Street Tree Policy Manual. Trees in historic districts require a Certificate of Appropriateness before trimming. Street trees follow ISA pruning standards.
Pomona Tree Trimming & Street Tree Policy
Some RestrictionsCalifornia Public Resources Code § 4291 (defensible space — vegetation management around structures)
99] ( Chapter 3 added by Stats. 1965, Ch. 1144. ) 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 ...
Tree Removal & Heritage Trees
Pomona has a Tree Preservation Program protecting significant trees including oak trees. Removal of protected trees requires an Oak Tree Permit or Minor Certificate of Appropriateness from the Planning Division.
Pomona Tree Preservation & Removal Rules
Some RestrictionsWeed Ordinances
Weed and vegetation control is enforced under Pomona's nuisance and property maintenance codes. Overgrown weeds constitute a fire hazard and nuisance violation. Code Compliance handles complaints and enforcement.
Pomona Weed & Nuisance Vegetation Ordinance
Some RestrictionsWater Restrictions
Pomona is served by multiple water providers following MWELO requirements. New landscapes over 500 sq ft must meet Maximum Applied Water Allowance calculations. CA Gov Code Section 65595 prohibits banning drought-tolerant landscaping.
Pomona Water Conservation & Landscape Irrigation Rules
Some RestrictionsCalifornia Department of Water Resources — Model Water Efficient Landscape Ordinance (MWELO) (Water Conservation in Landscaping Act, Gov. Code § 65591 et seq.)
by the 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 MWEL...
Rainwater Harvesting
Rainwater harvesting is legal and encouraged in California. No Pomona-specific restrictions exist. CA law allows residential rainwater collection without a permit for non-potable uses.
Pomona Rainwater Harvesting Rules
Few RestrictionsCalifornia AB 1750 (2012, Rendon) — Rainwater Capture Act of 2012 (Water Code § 10570 et seq.)
to read: 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...
Native Plants
Pomona encourages water-efficient landscaping under MWELO. Native and drought-tolerant plants are promoted. CA law prohibits cities from banning drought-tolerant landscaping.
Pomona Native Plant & Xeriscape Rules
Few RestrictionsCalifornia Department of Water Resources — Model Water Efficient Landscape Ordinance (MWELO) (Water Conservation in Landscaping Act, Gov. Code § 65591 et seq.)
by the 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 MWEL...
Artificial Turf
Artificial turf is permitted in Pomona as a water-saving alternative. CA law prohibits cities from requiring natural grass. MWELO encourages low-water landscaping options including synthetic turf.
Pomona Artificial Turf Regulations
Few RestrictionsCalifornia Civil Code § 4735 (common interest developments — HOAs may not prohibit low water-using plants, artificial turf, or compliance with water-efficient landscape ordinances)
rticle 1 added by Stats. 2012, Ch. 180, Sec. 2. ) 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 exis...
Looking for Los Angeles County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Pomona city rules.
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