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Sonoma, CA Building Safety: Scaffold & Sidewalk Shed (2026)

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

Key Facts

Permit required from
City Engineer
Work must begin within
90 days of issuance
First infraction fine
up to $100
Misdemeanor maximum
$1,000 or 6 months jail
Appeal path
City Council, Ch. 1.24 SMC
Exempt from permit
In-place pole replacements only

Summary

In the City of Sonoma, scaffolding placed on or over any public right-of-way counts as an "encroachment" under SMC § 12.20.020(E)(2) and cannot go up without an encroachment permit from the city engineer under SMC § 12.20.030. The rule reaches sidewalk and street scaffolding, not scaffolding built entirely on private property, which instead falls under the state-adopted Building Code.

E. “Encroach or encroachment” means going upon, over, under or using any right-of-way in such a manner as to prevent, obstruct, or interfere with the normal use of that right-of-way, including the performance thereon of any of the following acts: ... ... 2. Erecting or maintaining any post, sign, pole, bench, mailbox, vending stand, fence, guardrail, wall loading platform, pipe, conduit, cable conductor, scaffolding, barricade, newspaper stand, banner, sign, merchandise display, or other structure on or under the right-of-way. Pole replacements in place will not require a permit, ... No person shall encroach or cause to be made any encroachment of any nature whatever within, upon, over or under the limits of any right-of-way ... without having first obtained a permit as required by this chapter.

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

" Only in-place pole replacements are exempted from the permit requirement; scaffolding is not. 030 then makes it unlawful to encroach on a right-of-way without first obtaining a permit as required by the chapter. 110). 210). 170(A)). 150). 160). This ordinance covers scaffolding in the public right-of-way only; scaffolding built entirely on private property runs through the state-adopted California Building Standards Code that SMC Title 14 adopts by reference, not through this encroachment chapter.

Violations & Fines

Because Chapter 12.20 sets no chapter-specific penalty, unpermitted scaffolding in the right-of-way is enforced under the citywide scale in SMC § 1.12.010: an infraction fine up to $100 for a first offense, up to $200 for a second within a year, and up to $500 for a third or later offense, or prosecution as a misdemeanor carrying up to $1,000 and six months in jail. Each day the scaffolding remains without a permit is a separate offense, and the city engineer may order unpermitted work removed at the violator's expense under SMC § 12.20.130(A).

Frequently Asked Questions

Do I need a permit to put scaffolding on the sidewalk in the City of Sonoma?
Yes. SMC § 12.20.020(E)(2) lists scaffolding among the structures that count as an "encroachment" when erected on or under a public right-of-way, and SMC § 12.20.030 bars any encroachment without a permit first issued by the city engineer. This applies to sidewalks and streets, not scaffolding kept entirely on private property.
How long do I have to start scaffolding work once the City of Sonoma issues the permit?
90 days. SMC § 12.20.170(A) voids the permit if the authorized work has not begun within 90 days of issuance, unless the permit itself states a different period, so contractors should time the application to the actual start date.
Can the City of Sonoma deny a scaffolding encroachment permit?
Yes. SMC § 12.20.140 lets the city engineer refuse or modify a permit application where the proposed work "creates a hazard to public health, safety and welfare," violates a city ordinance, or conflicts with planned street widening. A denied applicant can appeal to the city council under Chapter 1.24 SMC.
What happens if I put up scaffolding in the right-of-way without a permit?
The city engineer can order the unpermitted scaffolding removed at your expense under SMC § 12.20.130(A), and you can be cited under SMC § 1.12.010: up to $100 for a first infraction, up to $500 for repeat violations within a year, or prosecuted as a misdemeanor carrying up to $1,000 and six months in jail.

Sources & Official References

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