Landscaping Rules in Concord, CA (2026)
5 verified landscaping rules for Concord, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Grass Height Limits
Concord requires grass and weeds to be maintained at 4 inches or less as part of annual weed abatement enforced by ConFire. Overgrown vegetation is declared a public nuisance under California Health and Safety Code §14875 and Concord Municipal Code chapter 8.35.
Landscaping: Grass Height
Some RestrictionsTree Removal & Heritage Trees
Concord regulates removal of protected trees under Concord Municipal Code chapter 8.50 (Tree Preservation). Protected trees over 10 inches DBH require a permit before removal. Heritage oaks and street trees have additional protection. Permit fees and replacement planting are required.
Landscaping: Tree Removal
Some RestrictionsWeed Ordinances
Property owners must control noxious weeds identified by the Contra Costa County Agricultural Commissioner under California Food and Agriculture Code §5004. High-priority weeds in Concord include yellow starthistle, artichoke thistle, and medusahead. Non-compliance can trigger state abatement action.
Landscaping: Weeds Noxious
Some RestrictionsCal. Food & Agric. Code § 5004
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
Concord water customers served by Contra Costa Water District must follow permanent statewide conservation rules: no runoff, no watering during or 48 hours after rain, no hosing hard surfaces. Outdoor watering is limited to assigned days and early morning or evening hours during drought declarations.
Landscaping: Water Restrictions
Heavy RestrictionsCal. Code Regs. tit. 23, § 490 et seq. (Model Water Efficient Landscape Ordinance)
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 ...
Native Plants
Xeriscaping and drought-tolerant landscaping are encouraged in Concord. State law prohibits HOAs from banning low-water landscaping, and MWELO mandates water-efficient designs for new and renovated landscapes over 500 square feet. CCWD offers turf replacement rebates.
Landscaping: Xeriscape Rules
Few RestrictionsCal. Code Regs. tit. 23, § 490 et seq. (Model Water Efficient Landscape Ordinance)
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 ...
Looking for Contra Costa County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Concord city rules.
Landscaping Rules in Contra Costa County →