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San Bernardino County, CA Parking Rules: Loading Zones (2026)

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

Key Facts

Material loading limit
20 minutes (yellow curb)
Passenger loading limit
3 minutes (yellow or white curb)
Green curb limit
20 minutes, any purpose
Red curb
No stopping, standing or parking
Loading eligibility
Commercial vehicles only
Deliveries covered
Commercial, express/parcel, U.S. mail
Zone creation authority
Board of Supervisors resolution

Summary

Commercial loading in unincorporated San Bernardino County is capped at 20 minutes and passenger loading at 3 minutes under County Code Section 52.0121. Curb color controls what is allowed: yellow marks freight loading, white marks passenger loading, red is no stopping at all, and green limits standing to 20 minutes.

City-specific rules exist: Fontana, San Bernardino, Chino, Rancho Cucamonga, Victorville, Ontario, Rialto, and Hesperia have their own loading zones rules that differ from San Bernardino County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

(h) Effect of Permission to Load or Unload. (1) Applies Only to Commercial Vehicles and Time Limit. Permission herein granted to stop or stand a vehicle for purposes of loading or unloading materials shall apply only to commercial vehicles and shall not extend beyond the time necessary therefor, and in no event for more than 20 minutes. (2) Deliveries. The loading or unloading of materials shall apply only to commercial deliveries, the delivery or pickup of express and parcel post packages and United States mail. (3) Passenger. Permission herein granted to stop or park for purposes of loading or unloading passengers shall include the loading or unloading of personal baggage but shall not extend beyond the time necessary therefor and in no event for more than three minutes. (4) Abuse of Privilege. Within the total time limits above specified, the provisions of this Section shall be enforced so as to accommodate necessary and reasonable loading or unloading but without permitting abuse of the privileges hereby granted.

Full Breakdown

0121 lets the Board of Supervisors establish loading zones, passenger loading zones and bus loading zones after a traffic engineering study, and directs the Road Commissioner to mark them with signs or stenciled curb colors. Yellow curbs are for loading or unloading materials only, capped at 20 minutes, or passengers, capped at 3 minutes. White curbs are passenger loading only, capped at 3 minutes. Red curbs mean no stopping, standing or parking at all except a bus in a signed bus zone. Green curbs allow standing or parking up to 20 minutes for any purpose.

mail, never to a private vehicle loading personal items. The 20-minute limit runs only as long as necessary for the delivery and can never be stretched past 20 minutes regardless of how much is being moved, and subsection (h)(4) bars using the privilege to functionally park rather than actively load. Bus loading zones get their own color scheme, a red curb stenciled 'No Standing' and 'Bus Zone' in white, and subsection (e) makes it unlawful for anything but a bus to stop, stand or park there.

Subsection (i) separately bans standing in any alley for any purpose other than loading or unloading passengers or materials. Subsection (j) lets the Road Commissioner post bus loading zones adjacent to school property without a Board resolution, based solely on a traffic engineering finding that it would help move traffic. When the underlying traffic conditions no longer justify a zone, the Board (or, for the school bus zones, the Road Commissioner directly) can order the signs and curb paint removed under the same section.

Violations & Fines

A vehicle that is not a commercial vehicle, or one that overstays the printed time limit, is parked in violation of Section 52.0121 and can be cited by any County officer or deputy enforcing traffic regulations. Stopping in a red zone or a bus loading zone outside the bus exception, or blocking an alley for a non-loading purpose, is a separate violation under subsections (e) and (i). Enforcement runs through standard County parking citation procedure.

Frequently Asked Questions

Can I use a yellow loading zone to load my own moving truck?
No. Section 52.0121(h)(2) limits the loading privilege to commercial deliveries and the pickup or delivery of express, parcel post, and U.S. mail. A private household move does not qualify, and the vehicle can be cited even within the 20-minute window.
How long can a delivery truck sit in a yellow zone in unincorporated San Bernardino County?
Up to 20 minutes for loading or unloading materials, and never longer than actually necessary for the job. Subsection (h)(4) also bars using the zone to sit longer than needed once the loading task is done.
Can any vehicle stop in a red-curbed bus loading zone?
No. Subsection (e) makes it unlawful for anyone but a bus to stop, stand or park in a bus loading zone, and the only marked exception is a bus stopping in a zone that is signed or curb-marked as a bus zone.
Who decides where loading zones go in the County?
The Board of Supervisors, after a traffic engineering investigation, adopts a resolution directing the Road Commissioner to install the signs or curb markings; the same process in reverse removes a zone once it's no longer needed.

Sources & Official References

Other rules in San Bernardino County

All San Bernardino County rules

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