Smoke & CO Detector Installation Near You in San Mateo, CA

Professional smoke & co detector installation in San Mateo, San Mateo County. Professional installation of hardwired, interconnected smoke and carbon monoxide detectors. Serving San Mateo and surrounding areas with licensed contractors and free quotes.

$100–$300San Mateo County
5 contractorsAvg 5.031 reviews
Call (916) 476-7689
1
2

Get Your Free Quote

Looking for smoke & co detector installation near you in San Mateo, CA? Costs range from $100–$300 as of 2026. Per detector installed; volume discounts available. Licensed & insured local contractors · San Mateo County · serving 105,661 residents near the San Mateo Japanese Garden. PG&E service area. Call (916) 476-7689 for a free quote.

Last updated July 2026

Smoke & CO Detector Installation in San Mateo, California

San Mateo homeowners searching for smoke & co detector installation can compare top-rated local contractors on NorCal Repairs. Our directory covers San Mateo and surrounding areas in San Mateo County, with pricing typically ranging from $100–$300 depending on the scope of work. All contractors listed for San Mateo are licensed by the California Contractors State License Board (CSLB), carry liability insurance, and have verified Google reviews from real customers. Many San Mateo residents may qualify for rebates through PG&E — check our rebates page for current offers.

NR

NorCal Repairs Editorial Team

CSLB Licensed · NATE Certified · Serving Northern California Since 2019

Why San Mateo Homeowners Choose NorCal Repairs for Smoke & CO Detector Installation

Verified & Licensed

Every contractor is CSLB-licensed, insured, and background-checked. We verify credentials so you don't have to.

Real Reviews, No Fakes

Rankings based on verified Google reviews. No pay-to-rank, no fake reviews. Transparent scoring you can trust.

Fast & Free Quotes

Get matched with top-rated smoke & co detector installation pros in San Mateo within minutes. Free estimates, no obligation.

Why San Mateo Homeowners Choose Us

San Mateo is home to 105,661 residents in San Mateo County. Mid-Peninsula city with charming older neighborhoods, downtown shops, and newer high-rises. Our network of licensed contractors understands the specific needs of San Mateo homes and provides fast, reliable smoke & co detector installation service.

Whether you're near the San Mateo Japanese Garden or anywhere in San Mateo, our contractors provide prompt smoke & co detector installation service. San Mateo's newer construction has specific electrical needs, and our local expertise ensures the right solution for your home.

More Home Services in San Mateo

What San Mateo Homeowners Are Saying

Real Google reviews from customers who hired smoke & co detector installation pros in San Mateo.

★★★★★5/5

3ara Electric was great! They responded quickly to my phone call and we scheduled a placement of a new light fixtures plus additional wireless antenna. Everything was delivered as promised in a neat a...

Stiliyan Bejanskivia 3ara Electric
★★★★★5/5

HIGHLY recommend Ivo! I had called in the morning and he was able to come later in the afternoon, identify the problem, fix it and leave all under 10 minutes. Extremely efficient and everything is wo...

Stephanie Wangvia 3ara Electric
★★★★★5/5

The professionalism and attention to detail really stood out during the electrical outlet and switch installation. Arriving right on time, the electrician worked efficiently, explaining each step of t...

rex rexvia Rainy Day Electrician Company
★★★★★5/5

Rainy Day Electrician Company is the company to call in Belmont. The team was responsive and quickly diagnosed our electrical issue. They fixed it promptly, and the quality of their work ensured eve...

Ethan Ethanvia Rainy Day Electrician Company
★★★★★5/5

A solid five stars for Rainy Day Electrician Company in Belmont, CA ! Their professionalism during our new lighting project was truly commendable. They gave us clear, unbiased advice, installed it fl...

Bijoy Bijoyvia Rainy Day Electrician Company
★★★★★5/5

The fan suddenly stopped working and it became uncomfortable and their tech managed Ceiling fan installation properly which fixed the issue without delay.

Eden Pricevia On Time Electric San Mateo

Smoke & CO Detector Installation in San Mateo — FAQ

How much does smoke & co detector installation cost in San Mateo?+

Smoke & CO Detector Installation in San Mateo, San Mateo County typically costs $100–$300. Per detector installed; volume discounts available. Contact us about available utility rebates in the San Mateo area. Call (916) 476-7689 for a free, no-obligation quote.

What plumbing issues are common in San Mateo?+

San Mateo's mid-peninsula city with charming older neighborhoods, downtown shops, and newer high-rises. As one of the larger communities in San Mateo County, older infrastructure and aging pipes can cause issues like low water pressure, sewer line problems, and hard water buildup. Our licensed plumbers are experienced with local building codes and common issues in San Mateo County homes.

What should San Mateo homeowners know about electrical for their homes?+

San Mateo is characterized by mid-peninsula city with charming older neighborhoods, downtown shops, and newer high-rises. Older homes may have original or second-generation roofing that's approaching end-of-life. These roofs often predate modern building codes and energy standards, making replacement an opportunity to upgrade. Our contractors are familiar with the specific challenges and building codes in San Mateo County.

Do you provide smoke & co detector installation near the San Mateo Japanese Garden in San Mateo?+

Yes, we serve all neighborhoods in San Mateo, including areas near the San Mateo Japanese Garden. Whether you're in the heart of San Mateo or on the outskirts of San Mateo County, our licensed contractors provide prompt, professional smoke & co detector installation service with free quotes and upfront pricing.

How many smoke detectors does California require?+

California requires hardwired, interconnected smoke detectors in every bedroom, outside each sleeping area, and on every level of the home including the basement. CO detectors are required outside each sleeping area and on every level with a fuel-burning appliance. A typical 3-bedroom San Mateo home needs 5–7 detectors.

Why hardwired over battery detectors?+

Hardwired detectors are interconnected — when one detects smoke, all alarms in the house sound simultaneously. They also have battery backup. Battery-only detectors work independently and rely on you to replace batteries. California requires hardwired detectors for all new construction and major renovations.