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Smoke Detector

Detector test, battery replacement, and code-required placement checks for smoke and CO alarms.

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Overview

What this service covers

California requires smoke alarms in every bedroom, outside every sleeping area, and on every level (CRC R314). CO alarms are required outside every sleeping area in any dwelling with fuel-burning appliances or an attached garage (CRC R315). Owners are responsible for installation and replacement; tenants are responsible for routine battery changes once installed.

We test every alarm during periodic inspections, replace 9V batteries on the spot, and replace any alarm older than the manufacturer's listed life (typically 10 years).

What's included

  • Test every smoke and CO alarm on the property
  • Battery replacement (9V and AA)
  • Placement audit against CRC R314 / R315
  • Replacement of expired alarms (>10 years)
  • Interconnection check on hard-wired systems
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Our process

How smoke detector jobs run.

  1. 01

    Inventory

    Locate every alarm; check manufacture date.

  2. 02

    Test

    Press-to-test each unit.

  3. 03

    Replace

    Batteries on the spot; expired units quoted same visit.

  4. 04

    Document

    Photo log filed in the property record.

Pricing

Pricing depends on scope, materials, and site conditions. We provide a clear written quote after a free assessment.

Timeline

Most projects begin within 1–3 weeks of an approved quote, depending on permitting and material lead times.

FAQs

Common questions about smoke detector.

Where are smoke alarms required in California?

California Residential Code R314 requires a smoke alarm inside each sleeping room, outside each sleeping area, and on every level of the dwelling (including basements). Multi-level dwellings need one in stairwells leading to the upper level.

Do I need CO alarms in a rental?

Yes, if the unit has any fuel-burning appliance (gas range, water heater, furnace, fireplace) or an attached garage. CRC R315 requires CO alarms outside each sleeping area.

How often do smoke alarms need replacement?

Every 10 years from the manufacture date stamped on the back of the unit, regardless of battery condition.

Whose responsibility is it — owner or tenant?

Owner installs and replaces; tenant maintains batteries during tenancy. At turnover, the owner verifies functionality and replaces batteries before the next tenant moves in.

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Often paired with smoke detector.

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Preventive maintenance and on-call repair coverage for your portfolio.

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Ready to get started?

Tell us about the property and the work you need. We'll respond within one business day.

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