Smoke & CO Detector Installation Cost New CastleSmoke & CO Detector Installation Cost New CastleSmoke & CO Detector Installation Cost New CastleSmoke & CO Detector Installation Cost New CastleSmoke & CO Detector Installation Cost New CastleSmoke & CO Detector Installation Cost New CastleSmoke & CO Detector Installation Cost New CastleSmoke & CO Detector Installation Cost New CastleSmoke & CO Detector Installation Cost New CastleSmoke & CO Detector Installation Cost New Castle

Smoke & CO Detector Installation Cost in New Castle, DE

Detailed pricing guide with local market adjustments and material comparisons

New Castle Average

$75–$300

Market Tier

Town

Cost Breakdown

Smoke & CO Detector Installation Cost in New Castle

Town

LowAverageHigh

$75$188$300

Market Tier

Town (0.75x)

Small town with lower labor and material costs

Material Cost Comparison

Smoke detectors(Budget)

$56–$225

CO detectors(Mid-Range)

$75–$300

Combination smoke/CO units(Premium)

$105–$420

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 New Castle

Remedy Electric

Dover, DE

(302) 934-1290

Dover Electric Supply Co Inc.

Dover, DE

(302) 674-0115

MAFFIA ELECTRIC

Dover, DE

(302) 612-0473

Summerfield electric

Dover, DE

(302) 592-8413

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Premium spot in New Castle

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New Castle Housing Market

Median Home Price

$385,000

Homes for Sale

Price per Sq Ft

$210

Local Pros

655

Home Service Professionals Near New Castle

Agents 173Landscapers 82multimedia_specialist 81lender 75Movers 71Roofers 61HVAC Techs 57Flooring 55

Median Household Income

$92,565

Median Home Value

$262,100

Median Rent

$1,675/mo

Homeownership Rate

63.5%

Population

5,519

Median Year Built

1963

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

Track Your Costs

Maintenance

Smoke & CO Detector Installation

Date

April 2026

Cost

$188

Vendor

Your local pro

Warranty

10-year material warranty

New Castle average: $75–$300

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(67 → 82)

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 71 electricians in your area. Here are the top results:

Professionals Found

71 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:2026-04-09

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Cost FAQ

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

The average cost of smoke & co detector installation in New Castle, DE ranges from $75 to $300. 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 New Castle, 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 New Castle?

Get at least 3 quotes from licensed professionals in New Castle. 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 New Castle, DE

Cost Breakdown

Smoke & CO Detector Installation Cost in New Castle

Material Cost Comparison

Save Money with DIY?

Get Quotes in New Castle

New Castle Housing Market

Track Your Costs

Smoke & CO Detector Installation

Property Health Score

Get a Personalized Estimate

Cost FAQ

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