Tree Replacement Requirements: Hesperia vs Rialto
How do tree replacement requirements rules compare between Hesperia, CA and Rialto, CA?
Rialto has fewer restrictions than Hesperia.
Hesperia, CA
San Bernardino County
Under Hesperia Municipal Code Chapter 16.24, Joshua trees and other protected native plants impacted by development must be relocated/transplanted on-site whenever feasible, or moved to an off-site area approved by the City of Hesperia. Trees unsuitable for relocation (due to size, poor health, damage, excessive branches, leaning, clonal growth, or exposed roots) must be disposed of per City requirements, and replacement vegetation may be required as a condition of project approval. A Protected Plant bond must be posted before any ground disturbance for single-family tract, multi-family, commercial, or industrial development. The Western Joshua Tree Conservation Act (FGC §1927) also requires CDFW mitigation fees for development takes.
View full Hesperia rules →Rialto, CA
San Bernardino County
Replacement of removed trees in Rialto is required in two contexts: (1) removal of a city-owned street or parkway tree under Title 12 (replacement species and size set by Public Works), and (2) removal or loss of trees installed under an approved Title 18 landscape plan, which must be replaced consistent with the original conditions of approval. There is no fixed citywide replanting ratio for private trees outside these contexts.
View full Rialto rules →Key Facts Comparison
| Fact | Hesperia | Rialto |
|---|---|---|
| Replacement Standard | On-site transplant preferred (Hesperia MC §16.24) | - |
| Bond Required | Protected Plant bond before ground disturbance | - |
| Off-Site Relocation | Allowed only with City approval | - |
| State Mitigation | CDFW fees for Western Joshua tree take (FGC §1927) | - |
| Street tree replacement size | - | Per Public Works direction (typically 24in or 36in box) |
| Conditioned landscape trees | - | Replace per approved plan |
| MWELO compliance | - | Required for new/rehab landscape >500 sq ft |
| Civil Code §3346 | - | Double/treble damages for wrongful cutting |
| Citywide ratio for private trees | - | None codified |
Highlighted rows indicate differences between cities.
Hesperia FAQ
Can a developer just cut down Joshua trees and pay a fee?
No. Hesperia requires on-site transplant whenever feasible. Only trees unsuitable for relocation may be removed, and replacement and CDFW mitigation are required.
What if a transplanted tree dies?
The Protected Plant bond covers survival monitoring; the developer typically must replace failed trees to satisfy bond release conditions.
Rialto FAQ
If a contractor damages my street tree, who replaces it?
Under Title 12, the responsible party must reimburse the city for the appraised value and replacement of the parkway tree, set by Public Works.
Do I have to replace a backyard tree I remove?
Not unless the tree is part of a recorded landscape condition. Replanting is encouraged but not mandated for ordinary single-family lots.
What is MWELO and does it apply to me?
California's Model Water Efficient Landscape Ordinance applies to new landscape installations over 500 sq ft (and rehab over 2,500 sq ft) and governs how replacement and new trees are selected and irrigated.
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