Smoke & CO Detector Installation Cost BellevilleSmoke & CO Detector Installation Cost BellevilleSmoke & CO Detector Installation Cost BellevilleSmoke & CO Detector Installation Cost BellevilleSmoke & CO Detector Installation Cost BellevilleSmoke & CO Detector Installation Cost BellevilleSmoke & CO Detector Installation Cost BellevilleSmoke & CO Detector Installation Cost BellevilleSmoke & CO Detector Installation Cost BellevilleSmoke & CO Detector Installation Cost Belleville

Smoke & CO Detector Installation Cost in Belleville, IL

Detailed pricing guide with local market adjustments and material comparisons

Belleville Average

$85–$340

Market Tier

Small City

Cost Breakdown

Smoke & CO Detector Installation Cost in Belleville

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 Belleville

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 Belleville

Ambassador

Lead the Belleville community

Founding Member

Premium spot in Belleville

View all 26 electricians in Belleville →

Belleville Housing Market

Homes for Sale

Local Pros

424

Home Service Professionals Near Belleville

Agents 80lender 63multimedia_specialist 55Landscapers 53Roofers 51Inspectors 42Cleaners 41Flooring 39

Median Household Income

$60,529

Median Home Value

$131,000

Median Rent

$947/mo

Homeownership Rate

61%

Population

41,722

Median Year Built

1960

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

Belleville 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.

Track this repair in PropDoctor →

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

MessageView

View All in ProPortal

Log my smoke & co detector installation in PropDoctor

I'll help you log this. I've pre-filled the details — review and submit:

Add to Property History

electrician

Title:electrician

Category:electrician

Date:2026-04-08

Fill Form & Review

Fill Form & Submit

SmartSearch understands 51 action types across scheduling, vendor discovery, and home maintenance.

Try SmartSearch →

Cost FAQ

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

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

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

Explore Belleville, IL

Homes for Salein Belleville Rentalsin Belleville Home Servicesin Belleville Maintenance Guidesin Belleville Find Professionalsin Belleville

Smoke & CO Detector Installation Cost in Nearby Cities

St. Louis, MO Florissant, MO Maryland Heights, MO Granite City, IL Edwardsville, IL Alton, IL

Smoke & CO Detector Installation Cost in Belleville, IL

Cost Breakdown

Smoke & CO Detector Installation Cost in Belleville

Material Cost Comparison

Save Money with DIY?

Get Quotes in Belleville

Belleville Housing Market

Track Your Costs

Smoke & CO Detector Installation

Property Health Score

Get a Personalized Estimate

Cost FAQ

More Cost Guides for Belleville

Circuit Breaker Repair Cost

Electrical Outlet Repair Cost

Home Inspection Cost

Explore Belleville, IL

Smoke & CO Detector Installation Cost in Nearby Cities