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Sonoma, CA Parking Rules: Loading Zones (2026)

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

Key Facts

Loading zone hours
7:00 a.m.-6:00 p.m., except Sundays/holidays
Curb color
Yellow paint marks loading zones
Passenger zone color
White paint, 3-min mail-drop limit
Curb length cap
Max 1/2 of block's curb per zone
Who may use it
Commercial vehicles for deliveries/mail only
First infraction fine
Up to $100 (SMC 1.12.010)

Summary

In the City of Sonoma, curb loading zones are marked with yellow paint and reserved for loading or unloading between 7:00 a.m. and 6:00 p.m. on any day except Sundays and holidays. Loading privileges are limited to commercial vehicles and cannot exceed one-half of a block's total curb length.

B. "Loading zone" means the space adjacent to a curb or other specifically designated area reserved for the exclusive use of vehicles during the loading or unloading of passengers or materials. ... ... D. In no event shall more than one-half of the total curb length in any block be reserved for loading zone purposes. E. Loading zones shall be indicated by yellow paint upon the top of all curbs within such zones ... ... B. Yellow means no stopping, standing or parking at any time between 7:00 a.m. and 6:00 p.m. on any day except Sunday(s) and holiday(s) for any purpose other than the loading or unloading of passengers or materials; ... ... A. Permission herein granted to stop or stand a vehicle for purposes of loading or unloading of materials shall apply only to commercial vehicles and shall not extend beyond the time necessary.

View official code

Official source re-checked September 8, 2026: no newer edition of the code had been published (publisher’s edition: current through Ordinance 13-2025, passed December 3, 2025).

Full Breakdown

52 to mark curb loading zones and passenger loading zones. A "loading zone" is the curb space reserved exclusively for vehicles loading or unloading passengers or materials, and by ordinance no more than one-half of the total curb length on any block may be reserved for this purpose. Loading zones are painted yellow on the curb top; passenger loading zones (for dropping off or picking up people only) are painted white instead. on any day except Sunday and holidays; outside those hours, or on Sundays and holidays, the yellow-zone restriction does not apply.

window (Sundays and holidays excepted) but is limited to passenger loading or a maximum three-minute stop to deposit mail in an adjacent mailbox. 030, the loading privilege in a yellow zone applies only to commercial vehicles making commercial deliveries, or picking up or delivering express, parcel post, or United States mail packages, and the vehicle cannot remain beyond the time actually necessary to complete the load or unload. 210). These loading-zone rules apply only within the City of Sonoma's incorporated limits; unincorporated Sonoma Valley communities such as Boyes Hot Springs and El Verano are governed by Sonoma County, not this code.

Violations & Fines

Curb loading-zone violations are enforced citywide under the City of Sonoma's general penalty scheme in SMC 1.12.010: a first infraction is fined up to $100, a second violation of the same section within a year up to $200, and a third or subsequent violation within a year up to $500. The prosecuting authority may instead charge the offense as a misdemeanor, punishable by up to a $1,000 fine, up to six months in jail, or both, under Chapter 1.12 SMC as referenced in Title 10's penalty chapter (SMC 10.76.010). Each day a violation continues is a separate offense.

Frequently Asked Questions

Can I stop in a yellow loading zone in the City of Sonoma to unload my personal car?
No. SMC 10.52.030 limits the loading privilege in a yellow zone to commercial vehicles making commercial deliveries or handling express, parcel post, or U.S. mail packages; a private vehicle unloading personal items is not covered and can be cited.
Are City of Sonoma loading zones restricted around the clock?
No. The yellow-curb restriction in SMC 10.52.020 only applies between 7:00 a.m. and 6:00 p.m., and it does not apply at all on Sundays or holidays, so parking is open outside those windows.
How long can a delivery truck stay in a City of Sonoma loading zone?
SMC 10.52.030 allows a commercial vehicle to stop only for the time actually necessary to load or unload; the code does not set a fixed minute limit but bars staying beyond what the delivery requires.
What is the fine for illegally parking in a City of Sonoma loading zone?
Under SMC 1.12.010, a first infraction is up to $100, a second within a year up to $200, and a third or later within a year up to $500; the city can instead pursue it as a misdemeanor carrying up to a $1,000 fine and six months in jail.

Sources & Official References

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