Smoke & CO Detector Installation Cost HazelwoodSmoke & CO Detector Installation Cost HazelwoodSmoke & CO Detector Installation Cost HazelwoodSmoke & CO Detector Installation Cost HazelwoodSmoke & CO Detector Installation Cost HazelwoodSmoke & CO Detector Installation Cost HazelwoodSmoke & CO Detector Installation Cost HazelwoodSmoke & CO Detector Installation Cost HazelwoodSmoke & CO Detector Installation Cost HazelwoodSmoke & CO Detector Installation Cost Hazelwood

Smoke & CO Detector Installation Cost in Hazelwood, MO

Detailed pricing guide with local market adjustments and material comparisons

Hazelwood Average

$85–$340

Market Tier

Small City

Cost Breakdown

Smoke & CO Detector Installation Cost in Hazelwood

Small City

LowAverageHigh

$85$213$340

Market Tier

Small City (0.85x)

Small city with below-average costs

Material Cost Comparison

Smoke detectors(Budget)

$64–$255

CO detectors(Mid-Range)

$85–$340

Combination smoke/CO units(Premium)

$119–$476

Factors that affect your cost

Number of detectors needed
Hardwired vs battery-only
Interconnected system requirement
Existing wiring availability
Combination smoke/CO units
Smart detector features

Save Money with DIY?

Call a pro when: Call an electrician for hardwired interconnected systems, if your code requires hardwired detectors, or if you need new wiring run to detector locations.

Get Quotes in Hazelwood

Mister Sparky of St. Louis

Saint Louis, MO

(314) 257-0053

Exceptional Electric

St. Charles, MO

(636) 782-4170

Kay Bee Electric | St. Louis Electrician

St. Charles, MO

(314) 837-3308

Streib Company

Saint Louis, MO

(314) 487-7474

Founding Member

Premium spot in Hazelwood

Ambassador

Lead the Hazelwood community

Founding Member

Premium spot in Hazelwood

View all 26 electricians in Hazelwood →

Hazelwood Housing Market

Median Household Income

$55,930

Median Home Value

$154,900

Median Rent

$956/mo

Homeownership Rate

59.5%

Population

25,214

Median Year Built

1970

Source: U.S. Census Bureau, ACS 2023 5-Year Estimates

Track Your Costs

Maintenance

Smoke & CO Detector Installation

Date

April 2026

Cost

$213

Vendor

Your local pro

Warranty

10-year material warranty

Hazelwood average: $85–$340

Before

Issue documented with photos

After

Repair completed, area sealed

Materials Used

Smoke detectorsCO detectorsCombination smoke/CO unitsMounting brackets

Warranty Details

10-year material warranty

Auto-Checkup Created

"Detector Test" — every 6 months

Added by youApril 2026

Property Health Score

Good

electrical category +15 pts(73 → 88)

Documentation19/25

Maintenance20/25

Warranty22/25

Investment21/25

Your health score is calculated based on documentation completeness, maintenance currency, warranty coverage, and investment tracking.

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Get a Personalized Estimate

Find a electrician near me

I found 26 electricians in your area. Here are the top results:

Professionals Found

26 results

Smith & Sons

Connected

electrician

4.9(47)

BookQuote

J&R Home Services

electrician

4.7(23)

From $95/hr

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electrician

Title:electrician

Category:electrician

Date:2026-04-08

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Cost FAQ

What is the average cost of smoke & co detector installation in Hazelwood?

The average cost of smoke & co detector installation in Hazelwood, MO ranges from $85 to $340. The final price depends on Number of detectors needed, Hardwired vs battery-only, Interconnected system requirement.

What factors affect smoke & co detector installation cost?

Key factors include: Number of detectors needed, Hardwired vs battery-only, Interconnected system requirement, Existing wiring availability, Combination smoke/CO units, Smart detector features. In Hazelwood, local labor rates and material availability also influence pricing.

Can I save money by doing smoke & co detector installation myself?

Battery-operated detectors are simple to install with screws or adhesive mounts. Place smoke detectors on every level, inside each bedroom, and outside sleeping areas. CO detectors go near bedrooms and fuel-burning appliances. Call an electrician for hardwired interconnected systems, if your code requires hardwired detectors, or if you need new wiring run to detector locations.

How do I get accurate quotes for smoke & co detector installation in Hazelwood?

Get at least 3 quotes from licensed professionals in Hazelwood. Use Fizbo SmartSearch to find and compare local electricians, read reviews, and request estimates — all in one place.

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Smoke & CO Detector Installation Cost in Nearby Cities

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Smoke & CO Detector Installation Cost in Hazelwood, MO

Cost Breakdown

Smoke & CO Detector Installation Cost in Hazelwood

Material Cost Comparison

Save Money with DIY?

Get Quotes in Hazelwood

Hazelwood Housing Market

Track Your Costs

Smoke & CO Detector Installation

Property Health Score

Get a Personalized Estimate

Cost FAQ

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