Smoke & CO Detector Installation Cost UnionSmoke & CO Detector Installation Cost UnionSmoke & CO Detector Installation Cost UnionSmoke & CO Detector Installation Cost UnionSmoke & CO Detector Installation Cost UnionSmoke & CO Detector Installation Cost UnionSmoke & CO Detector Installation Cost UnionSmoke & CO Detector Installation Cost UnionSmoke & CO Detector Installation Cost UnionSmoke & CO Detector Installation Cost Union

Smoke & CO Detector Installation Cost in Union, MO

Detailed pricing guide with local market adjustments and material comparisons

Union Average

$85–$340

Market Tier

Small City

Cost Breakdown

Smoke & CO Detector Installation Cost in Union

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 Union

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 Union

Ambassador

Lead the Union community

Founding Member

Premium spot in Union

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Union Housing Market

Median Household Income

$71,760

Median Home Value

$199,100

Median Rent

$847/mo

Homeownership Rate

62.9%

Population

12,560

Median Year Built

1996

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

Union 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(72 → 87)

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:2026-04-05

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Cost FAQ

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

The average cost of smoke & co detector installation in Union, 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 Union, 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 Union?

Get at least 3 quotes from licensed professionals in Union. 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 Union, MO

Cost Breakdown

Smoke & CO Detector Installation Cost in Union

Material Cost Comparison

Save Money with DIY?

Get Quotes in Union

Union Housing Market

Track Your Costs

Smoke & CO Detector Installation

Property Health Score

Get a Personalized Estimate

Cost FAQ

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