Landscaping Rules in Corona, CA (2026)
6 verified landscaping rules for Corona, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Tree Trimming
CMC Chapter 12.40 makes property owners maintain parkway street trees with 8 ft sidewalk and 14 ft street clearance. A free Public Works permit is required to remove or heavily prune street trees.
Tree Trimming Rules in Corona
Some RestrictionsCal. Public Resources Code Sec. 4291 (Defensible Space — Tree and Vegetation Maintenance in State Responsibility Areas)
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 (B). The amount of fuel modification necessary sha...
Weed Ordinances
Corona Fire runs an annual Weed Abatement Program (CMC 9.04 and 8.20) requiring weeds cut to 4 inches and 30 ft defensible space. Failure leads to contractor abatement billed plus admin fee.
Weed Abatement in Corona
Some RestrictionsCal. Food & Agricultural Code Sec. 5004 (Definition of "Noxious Weed")
“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 purposes of p...
Water Restrictions
Corona restricts lawn and landscape irrigation to the hours of 8:00 p.m. to 10:00 a.m. every day under the city's baseline Water Conservation Stage 1, which is in effect at all times. Reclaimed water is exempt from the time limit. Once the General Manager declares Stage 2 or higher, watering also narrows to three assigned days a week by street address.
Corona's Year-Round Lawn Watering Hours
Some RestrictionsCorona Code of Ordinances § 13.26.050
Water Conservation Stage 1 is also referred to as a "Normal Water Supply" and applies during periods when the City is able to meet all of the water demands of its customers. Water Conservation Stage 1 is in effect at all times unless the General Manager otherwise declares that another water conservation stage is in effect pursuant to this Chapter 13.26. ... In addition, lawns and/or ground cove...
Native Plants
Civil Code 4735 and 714.1 protect Corona homeowners installing native and drought-tolerant landscaping. New landscapes over 500 sq ft must comply with the state MWELO under CCR Title 23.
Native Plants and Drought-Tolerant Landscaping in Corona
Light RestrictionsCalifornia Department of Water Resources — Model Water Efficient Landscape Ordinance (MWELO) — Climate-Adapted Plants and Local Adoption Mandate
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
California Civil Code 4735 and 714.1 protect artificial turf in Corona; HOAs cannot ban it. Most residential installs need no permit but must meet drainage and lead-free standards.
Artificial Turf Rules in Corona
Few RestrictionsCal. Civil Code Sec. 4735 (HOA Landscaping — Artificial Turf and Low-Water Plant Protections)
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...
Composting
Corona's code regulates composting only at the 'community composting' scale defined in § 8.20.020: any site handling green waste, agricultural material, food material, or vegetative material where feedstock and finished compost together never exceed 100 cubic yards and 750 square feet at one time. Operators of a qualifying site must report capacity information to the city within 60 days of a request under § 8.20.390(B)(2).
Community Composting Rules in Corona
Light RestrictionsCorona Code of Ordinances §§ 8.20.020, 8.20.390(B)(2)
"Community composting" means any activity that composts green waste, agricultural material, food material, and vegetative food material, alone or in combination, and the total amount of feedstock and compost on-site at any one time does not exceed 100 cubic yards and 750 square feet. ... Community composting operators shall, within 60 days of request by the city, provide information to the city...
Looking for Riverside County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Corona city rules.
Landscaping Rules in Riverside County →