Smoke & CO Detector Installation Cost FairfaxSmoke & CO Detector Installation Cost FairfaxSmoke & CO Detector Installation Cost FairfaxSmoke & CO Detector Installation Cost FairfaxSmoke & CO Detector Installation Cost FairfaxSmoke & CO Detector Installation Cost FairfaxSmoke & CO Detector Installation Cost FairfaxSmoke & CO Detector Installation Cost FairfaxSmoke & CO Detector Installation Cost FairfaxSmoke & CO Detector Installation Cost Fairfax

Smoke & CO Detector Installation Cost in Fairfax, VA

Detailed pricing guide with local market adjustments and material comparisons

Fairfax Average

$85–$340

Market Tier

Small City

Cost Breakdown

Smoke & CO Detector Installation Cost in Fairfax

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 Fairfax

L & M Electric & Plumbing LLC

Alexandria, VA

(703) 750-1222

Nasr Electric

Alexandria, VA

(703) 675-1439

Carmona Electric LLC

Alexandria, VA

(571) 492-8491

Electricians A+ Ratings

Alexandria, VA

(703) 608-8481

Founding Member

Premium spot in Fairfax

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Lead the Fairfax community

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Fairfax Housing Market

Median Home Price

$819,000

Homes for Sale

Price per Sq Ft

$364

Local Pros

600

Home Service Professionals Near Fairfax

lender 101Agents 95multimedia_specialist 82Landscapers 78Roofers 65Movers 65Flooring 57Cleaners 57

Median Household Income

$132,774

Median Home Value

$677,400

Median Rent

$2,122/mo

Homeownership Rate

69.3%

Population

24,478

Median Year Built

1967

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

Fairfax 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(70 → 85)

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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Find a electrician near me

I found 120 electricians in your area. Here are the top results:

Professionals Found

120 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 Fairfax?

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

Get at least 3 quotes from licensed professionals in Fairfax. 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 Fairfax, VA

Cost Breakdown

Smoke & CO Detector Installation Cost in Fairfax

Material Cost Comparison

Save Money with DIY?

Get Quotes in Fairfax

Fairfax Housing Market

Track Your Costs

Smoke & CO Detector Installation

Property Health Score

Get a Personalized Estimate

Cost FAQ

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