8 county-level rules, plus city-specific rules for 2 cities in Monterey County, California.
Verified from official government sources
Recreational fire pits are not a fireworks-style burn and don't need an air-district burn permit, but they are governed by the California Fire Code (adopted via County Code Ch. 18.09) and by extreme wildfire risk. Open-flame and recreational fires must keep clearance from combustible construction and may be restricted during red-flag conditions.
All fireworks are banned in unincorporated Monterey County. The possession, storage, sale, and use of all fireworks — including state-approved "Safe and Sane" fireworks — is illegal throughout the unincorporated areas and Monterey County Regional Fire District (MCRFD) boundaries, because most of the area lies within the Wildland-Urban Interface fire area.
Properties in unincorporated Monterey County must maintain 100 feet of defensible space around structures under California Public Resources Code 4291. The requirement applies in the State Responsibility Area and very high fire hazard severity zones, and a compliant defensible space inspection is required when selling property in high or very high fire hazard severity zones.
PRC Code § 4291
(1) (A) Maintain defensible space of 100 feet from each side and from the front and rear of the structure, but not beyond the property line, except as provided in subparagraph (B). The amount of fuel modification necessary shall consider the flammability of the structure as affected by building material, building standards, location, and type of vegetation.
Open outdoor burning of vegetation in unincorporated Monterey County requires a Monterey Bay Air Resources District (MBARD) burn permit under Rule 438 and is only allowed on declared permissive burn days. During fire season CAL FIRE also requires a separate burn permit in the State Responsibility Area, and burning is often suspended entirely.
About 80% of Monterey County is rated high, very high, or extreme fire threat. CAL FIRE maps Fire Hazard Severity Zones (moderate, high, very high) across the State and Local Responsibility Areas. Very high zones trigger 100-foot defensible space, Wildland-Urban Interface building codes, and seller disclosure.
Public Resources Code 4201
The History of Fire Hazard Severity Zone Maps Fire Hazard Severity Zone maps arose from major destructive fires, prompting the recognition of these areas and strategies to reduce wildfire risks. Legislative response led to mandated mapping across California under the California Public Resources Code 4201-4204, encompassing all State Responsibility Areas (SRA).
Smoke alarm requirements in unincorporated Monterey County come from state law. California Health & Safety Code section 13113.7 requires operable smoke alarms in every dwelling unit intended for human occupancy, and a separate state law (Carbon Monoxide Poisoning Prevention Act) requires carbon monoxide alarms in dwellings with gas appliances, fireplaces, or attached garages.
Backyard burning of vegetation in unincorporated Monterey County is tightly controlled: it requires an MBARD burn permit, is allowed only on declared burn days during a limited winter season, and is suspended by CAL FIRE during peak fire season. Recreational warming/cooking fires are separate and follow the California Fire Code.
Propane (LP-gas) storage in unincorporated Monterey County follows the California Fire Code (adopted via County Code Ch. 18.09) and NFPA 58. Larger stationary tanks must meet location and separation distances based on container size, and disconnected grill cylinders cannot be stored on combustible balconies or within 10 feet of combustible construction.
2 cities in Monterey County have their own fire regulations rules. Each link goes to that city's dedicated page with code citations.
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