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Riverside County, CA Tree Protection: Parkway Planting (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified August 2026

Key Facts

Governing chapter
County Code Ch. 16.48
Tree spacing
~60 feet apart
Setback from driveways
10 feet minimum
Security per tree
$100.00
Enforcement
Transportation department

Summary

New land divisions in unincorporated Riverside County must plant street trees as a condition of approval, spaced roughly 60 feet apart with one tree per lot frontage.

City-specific rules exist: Corona, Moreno Valley, Temecula, Murrieta, and Riverside have their own parkway planting rules that differ from Riverside County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

The planting of street trees in connection with the development of new land divisions is desirable and shall be required as a condition of approval in Schedule "A," "B," "C," "D," "E," "F" and "G" land divisions unless otherwise exempted... Trees shall be located a minimum of ten (10) feet from driveways... Trees shall be spaced at approximately sixty (60) foot intervals or a minimum of one tree per lot frontage.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 84 Update 1).

Full Breakdown

Under County Code Chapter 16.48, most land divisions (Schedules A through G) must plant at least one street tree per parcel frontage before final building inspection. Trees must come from the county's approved list, sit at least 10 feet from driveways, space out at roughly 60-foot intervals, and be staked on the windward side. Corner lots need trees on both frontages. The land divider posts a $100-per-tree security with the transportation department, held for a one-year warranty period. Exemptions exist for bad soil, no water supply, traffic hazards, planned street widening, or trees already in place.

Violations & Fines

Building or grading permits require an executed tree-planting agreement and posted security first; failure to plant per the approved plan can hold up final building inspection and forfeit the $100-per-tree security until corrected.

Frequently Asked Questions

Does this apply inside cities like Temecula or Corona?
No. This chapter governs unincorporated Riverside County land divisions only; the county's 28 cities, including Temecula and Corona, apply their own municipal codes.
Can a lot skip street tree planting?
Yes, if soil, water supply, traffic hazards, planned road widening, or existing trees justify it. The transportation director rules on exemption requests before permits issue.

Sources & Official References

Other rules in Riverside County

All Riverside County rules

California rules heatmap·Compare Riverside County to another location·View the California tree protection overview

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Parkway Planting in Cities Across Riverside County