Cal. Civ. Code § 26B
Automatic fire warning and smoke detection systems in certain buildings; enforcement; appeals
Operative Text
Section 26B. Every building or structure not exceeding seventy feet in height above the mean grade erected or substantially altered to be occupied for residential purposes shall be protected with an approved automatic fire warning system in accordance with the provisions of the state building code. Such system shall include the features of automatic smoke detection in conjunction with the approved fire detection devices. The head of the fire department as defined in section one shall enforce the provisions of this section. Whoever is aggrieved by the head of the fire department's interpretation, order, requirement, direction or failure to act under the provisions of this section, may, within forty-five days after the service of notice thereof, appeal from such interpretation, order, requirement, direction, or failure to act, to the board of appeals as provided in the state building code and section twenty-three of chapter twenty-three B.
Mass. Gen. Laws c. 148 § 26B requires that residential buildings and structures up to seventy feet in height—whether newly constructed or substantially altered—be equipped with an approved automatic fire warning system that incorporates both smoke detection and other approved fire detection devices, all in conformance with the state building code. The local fire department head is designated as the enforcement authority for this requirement. Anyone who disagrees with an enforcement decision, order, or inaction by the fire department head has a 45-day window from the date of notice to appeal to the board of appeals under the state building code and Chapter 23B, Section 23.
Plain English — not legal advice.
Under Mass. Gen. Laws c. 148 § 26B, operators of residential buildings up to seventy feet in height generally ensure that any new construction or substantial alteration project includes an approved automatic fire warning system—one that combines smoke detection with other approved fire detection devices—before occupancy. Compliant operators typically coordinate with the local fire department head, who holds enforcement authority under this provision, to confirm that the installed system meets state building code standards. When a fire department order or interpretation is issued, property owners are generally aware that a 45-day deadline applies if they wish to pursue an appeal through the board of appeals.
General guidance for property managers — not legal advice for your specific situation. Consult an attorney for advice on your case.
Mass. Gen. Laws c. 148 § 26B gives tenants in qualifying residential buildings a basis to expect that an approved automatic fire warning system with smoke detection is in place as a condition of lawful occupancy. If a tenant believes this requirement is not being met, one general path is to raise the concern with the local fire department head, who is the designated enforcement authority under this provision. Tenants who receive a notice related to a fire department action—or who are affected by the department's failure to act—may also explore the formal appeal process to the board of appeals within the 45-day period described in § 26B, and tenant-rights organizations can help explain what options may be available.
General guidance for tenants — not legal advice for your specific situation. Consult a tenant-rights organization or attorney for advice on your case.
Generated September 13, 2026 — auto-generated, not yet human-reviewed. See /transparency for methodology.
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