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Tree Protection in Ontario, CA (2026)

1 verified tree protection rules for Ontario, California, sourced directly from the municipal code and official government pages.

Verified from official government sources

Parkway Planting

Ontario regulates every parkway tree planted along its streets under Municipal Code Sec. 10-2.07. Trees must go in at roughly 60-foot intervals or one per lot frontage, stay at least 25 feet from any curb return, and use planting stock at least one inch in caliper, all administered by the Public Facilities Manager under the City's Official Parkway Tree List.

Ontario Parkway Tree Planting Standards

Some Restrictions

Ontario Municipal Code Sec. 10-2.07(a),(d)

Trees planted within parkway areas shall be in accordance with the following criteria: (a) Planting stock shall be of normal shape or conformation and not less than one (1) inch caliper at its base. ... (d) Parkway trees shall be planted at approximately sixty (60) foot intervals or one (1) per lot frontage. On corner lots, two (2) or more trees may be required on the side frontage; provided, h...

Looking for San Bernardino County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Ontario city rules.

Tree Protection in San Bernardino County