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Sonoma, CA Mobility & Curb Rules: Bike Lane Rules (2026)

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

Key Facts

Where regulated
Sidewalks & bicycle/pedestrian paths citywide (SMC § 10.74.010)
Downtown Plaza
No riding on Plaza-ring sidewalks (SMC § 10.74.010(C))
Speed rule
No unsafe speed given weather/visibility/traffic (SMC § 10.74.010(B))
Motorized limits
≤ 1,000W motor, ≤ 20mph bikes / ≤ 15mph scooters exempted (SMC § 10.74.011)
Penalty
Infraction plus impoundment of the conveyance (SMC § 10.74.010(E))

Summary

The City of Sonoma has no separate on-street bike lane ordinance; instead, Sonoma Municipal Code § 10.74.010 regulates how bicycles and similar conveyances may be ridden on the city's sidewalks and pedestrian/bicycle paths, banning unsafe speeds citywide and barring bikes entirely from the sidewalks that ring the historic downtown Plaza.

It is unlawful for any person to ride, use, or operate a bicycle or other conveyance propelled by human or motor power, including roller skates, a skateboard, coaster, scooter, tricycle, or other similar device any place in the city upon a sidewalk, or pedestrian or bicycle path, at a speed greater than is reasonable or prudent having due regard for weather, visibility, traffic, width of sidewalk or path, or at a speed or in such a manner which endangers the safety of persons or property. ... It is unlawful for any person to ride, use, or operate a bicycle or other conveyance propelled by human or motor power identified in subsection (B) of this section, upon the sidewalks in the downtown Plaza area, specifically the public sidewalks on both sides of First Street West between Spain Street and Napa Street, First Street East between Spain Street and Napa Street, Napa Street between First Street East and First Street West, and Spain Street between First Street East and First Street West.

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

010(A) generally permits riding a bicycle or human-powered conveyance, including roller skates, skateboards and scooters, on any public sidewalk or pedestrian/bicycle path in the city. Subsection (B) then bars riding at "a speed greater than is reasonable or prudent having due regard for weather, visibility, traffic, width of sidewalk or path," or in a manner endangering people or property, and says riders should yield to pedestrians when reasonable. Subsection (C) imposes a full ban in the historic core: it is unlawful to ride on "the public sidewalks on both sides of First Street West between Spain Street and Napa Street, First Street East between Spain Street and Napa Street, Napa Street between First Street East and First Street West, and Spain Street between First Street East and First Street West," the sidewalks bordering Sonoma Plaza.

011, which exempts a "motorized bicycle" (pedals plus a motor of 1,000 watts or less, capped at 20 mph) and a "motorized scooter" (a stand-up device with a motor of 1,000 watts or less, capped at 15 mph), along with disability wheelchairs/tricycles and battery-powered children's toys. City personnel are exempt under subsection (F). Current through Ordinance 13-2025, passed December 3, 2025.

Violations & Fines

Section 10.74.010(E) makes any violation an infraction and separately declares the conveyance itself a public nuisance, which "may be summarily abated by any peace officer... by seizure and impoundment," with the seized bicycle, skateboard or scooter held for disposition as ordered by the court hearing the case.

Frequently Asked Questions

Can I ride my bike on the sidewalk in downtown Sonoma?
Not around the Plaza. SMC § 10.74.010(C) specifically bans riding a bicycle or similar conveyance on the sidewalks bordering the Plaza, meaning both sides of First Street West and East between Spain and Napa Streets, and both Napa and Spain Streets between First Street East and West.
What speed rule applies to bikes and skateboards on Sonoma sidewalks?
SMC § 10.74.010(B) makes it unlawful to ride a bicycle, skateboard, scooter or similar device on a sidewalk or path at a speed greater than is reasonable and prudent given the weather, visibility, traffic and path width, or in a manner that endangers people or property.
Can I ride an electric scooter on Sonoma's bike paths?
Only within limits. SMC § 10.74.011 exempts a "motorized scooter" with a motor of no more than 1,000 watts that tops out at 15 miles per hour on level ground, and a "motorized bicycle" capped at 20 miles per hour, from the general ban on motor-powered conveyances on sidewalks and bike paths.
What happens if I'm cited for reckless bike riding on a Sonoma sidewalk?
SMC § 10.74.010(E) makes the violation an infraction and separately declares the conveyance itself a public nuisance, letting any peace officer summarily seize and impound the bicycle, skateboard or scooter pending disposition by the court hearing the case.

Sources & Official References

Other rules in Sonoma

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