Smoke & CO Detector Installation Cost in 94121 (San Francisco, CA) — 2026 Pricing
Homeowners in zip code 94121 pay $100–$300 for smoke & co detector installation. Per detector installed; volume discounts available. Get your free quote today.
$100–$300
Smoke & CO Detector Installation in 94121 • Updated July 2026
Smoke & CO Detector Installation in Zip Code 94121
Professional installation of hardwired, interconnected smoke and carbon monoxide detectors. Meet California code requirements and protect your family with properly placed, reliable detection. Our licensed contractors provide fast, reliable service throughout the 94121 area in San Francisco, San Francisco County.
Call (916) 476-7689 for an immediate quote or fill out the form below for a detailed estimate.