Cost to Smoke & CO Detector Installation Cost in 2026: What to Expect in Las Vegas, NV

$600–$2,800 in Las Vegas

Same as the national average · 1.00x cost multiplier

Expect to pay $600–$2,800 for a smoke & co detector installation cost in 2026: what to expect in Las Vegas, right at the national benchmark. The Mountain West region's contractor market and material costs account for most of this difference. The detailed breakdown below shows how budget, mid-range, and premium projects compare at Las Vegas prices.

Cost Breakdown in Las Vegas

Line Item	Low	Mid	High
Cost per per detector installed	$75	$135	$220
Materials	$120	$350	$900
Labor	$0	$700	$1,400
Permits	$0	$75	$150
Total	$120+0% vs. national avg	$1,125+0% vs. national avg	$2,450+0% vs. national avg

Budget

Battery-only standalone detectors (not interconnected). Self-install: 3-4 units covering bedrooms and hallways. No electrician required. Meets minimum code in many jurisdictions.

Mid-Range

Hardwired interconnected system: 6-8 combination smoke/CO detectors with battery backup, professionally installed on existing 120V circuits in bedrooms, hallways, and living areas.

Premium

Full interconnected hardwired system: 10-14 smart detectors (Nest Protect or similar) with Wi-Fi, smartphone alerts, voice alarms, and new dedicated circuit. Integrated with security system.

Material Options

Material prices below are national averages; availability in Las Vegas may shift costs slightly.

Material	Cost/Unit	Pros	Cons	Best For
Battery-powered standalone (First Alert, Kidde)	$20-$45	No electrician required, easy self-install, no wiring needed	Not interconnected (only local alarm), battery replacement required, often 10-year sealed battery	Rental units, budget installs, supplemental coverage where wiring isn't practicalNo electrician required, easy self-install, no wiring needed
Hardwired interconnected (standard)	$30-$60	Interconnected so all units sound when one triggers, battery backup, meets all building codes	Requires electrician, older homes may need new wiring	New construction, renovations opening walls, code compliance in all jurisdictionsInterconnected so all units sound when one triggers, battery backup, meets all building codes
Hardwired with wireless interconnect	$45-$90	Interconnected without running extra interconnect wire between units, good retrofit option	More expensive than standard hardwired, some brands have proprietary interconnect frequencies	Retrofit installs in existing homes with smoke detector boxes but no interconnect wireInterconnected without running extra interconnect wire between units, good retrofit option
Nest Protect (wired version)	$120-$140	Wi-Fi alerts to phone, voice alarm identifies location, monthly self-test, 10-year lifespan, app control	Premium price, requires Google account, only connects with other Nest Protect units	Homeowners who want smartphone notifications and smart home integrationWi-Fi alerts to phone, voice alarm identifies location, monthly self-test, 10-year lifespan, app control
Kidde Smoke/CO Detector with Wi-Fi	$70-$100	Less expensive than Nest, works with Alexa/Google, phone alerts, interconnects with other Kidde units	App is less polished than Nest, requires Kidde account	Smart features at lower per-unit cost than Nest, Amazon Echo householdsLess expensive than Nest, works with Alexa/Google, phone alerts, interconnects with other Kidde units
Combination smoke/CO/natural gas detector	$80-$150	Detects three threat types in one unit, reduces total number of devices needed	Gas sensors have shorter lifespan (5-7 years) than smoke sensors (10 years)	Homes with natural gas appliances, kitchens, utility roomsDetects three threat types in one unit, reduces total number of devices needed

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Back to national average for Smoke & CO Detector Installation Cost in 2026: What to Expect

Las Vegas Estimate

Typical Range

$600–$2,800

vs. National Average

Same as national

Cost Multiplier

1.00x

Cost Per per detector installed

$75–$220

Estimates apply Las Vegas's 1.00x regional cost multiplier to national averages. Actual bids vary by contractor, project scope, and timing.

See national average costs →