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Sonoma, CA Fire Regulations: Propane Storage (2026)

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

Key Facts

Aggregate cap
2,000 gallons water capacity per installation
Applies
heavily populated/congested areas per zoning
Fire code official may
reduce the cap further
Anchoring required
on all permanent propane/LPG containers
Code currency
through Ordinance 13-2025 (Dec. 3, 2025)

Summary

Within areas the City of Sonoma has designated for restricted LP-gas storage, no single installation may hold more than 2,000 gallons of aggregate water capacity, and every permanently installed propane container must be anchored, per Sonoma Municipal Code § 14.10.040 subsections 6104.2 and 6107.5.

Add subsection 6104.2 to read as follows:6104.2 Maximum capacity within established limits. Within the limits established by law restricting the storage of liquefied petroleum gas for the protection of heavily populated or congested areas, the aggregate capacity of any one installation shall not exceed a water capacity of 2,000 gallons in any area as established by applicable land-use and zoning standards. ... Add subsection 6107.5 to read as follows:6107.5 Anchoring. An approved anchoring system shall be installed on all permanently installed propane/LPG gas containers.

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

2 to the 2025 California Fire Code as adopted by the City of Sonoma, capping the aggregate water capacity of any one liquefied petroleum gas installation at 2,000 gallons within the limits established by law for heavily populated or congested areas, as set by applicable land-use and zoning standards. The fire code official can reduce that 2,000-gallon ceiling further after evaluating site-specific factors: topography, the nature of the occupancy, how close the containers sit to buildings, the capacity of the proposed LP-gas containers, the degree of fire protection already in place, and the responding fire department's capabilities.

5, Anchoring, which requires an approved anchoring system on every permanently installed propane or LPG gas container in the city, regardless of size. Read together, the two subsections mean a Sonoma property owner installing a fixed propane tank, whether for a residence, winery, or business, faces both a volume cap in congested or populated areas and a mandatory anchoring standard everywhere the container is permanently installed. 3, showing a broader local pattern of tightening fixed fuel-storage rules beyond the base state fire code. 010(A)(4) sets infraction fines of $100 for a first offense, $500 for a second, and $1,000 for a third violation of the same section within a year.

Violations & Fines

Exceeding the 2,000-gallon aggregate LP-gas capacity limit in a restricted area, or installing a permanent propane container without an approved anchoring system, violates SMC § 14.10.040 subsections 6104.2 and 6107.5. Both are Chapter 14.10 SMC infractions under SMC § 1.12.010(A)(4): $100 for a first offense, $500 for a second violation of the same section within a year, and $1,000 for a third.

Frequently Asked Questions

How much propane can I store on one property in the City of Sonoma?
In areas the city has designated as heavily populated or congested under its zoning standards, a single installation cannot exceed 2,000 gallons of aggregate water capacity under SMC § 14.10.040 subsection 6104.2. The fire code official can lower that limit further based on topography, nearby buildings, and available fire protection.
Does my propane tank need to be anchored?
Yes. SMC § 14.10.040 subsection 6107.5 requires an approved anchoring system on every permanently installed propane or LPG gas container in the city, regardless of the tank's size or where it sits.
What happens if I install an oversized or unanchored tank?
It's a Chapter 14.10 SMC violation under SMC § 1.12.010(A)(4), an infraction punishable by $100 for a first offense, $500 for a second violation of the same section within a year, and $1,000 for a third, with each day of continued violation counted separately.

Sources & Official References

Other rules in Sonoma

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