Rialto, CA Landscaping Rules: Tree Trimming (2026)

Under RMC 11.08.020 the public services director supervises all tree planting, pruning, and removal on streets, parks, and parkways. Section 11.08.040 makes residential owners responsible for watering abutting street trees, and 11.08.140 requires occupants to maintain parkway hedges, shrubs, and grass in a healthy, neat, and orderly condition; the city maintains parkway trees. Section 11.08.110 prohibits letting hedges, trees, or shrubs encroach over the sidewalk, curb, or street so as to impede traffic, drainage, or maintenance or create a hazard; after ten days written notice the city may abate and bill the owner. The Fire Prevention Division's weed-abatement standards also require ladder fuels trimmed eight feet off the ground, and RMC 8.12.030 declares accumulated prunings a public nuisance.