Smoke & CO Detector Installation Cost Mill ValleySmoke & CO Detector Installation Cost Mill ValleySmoke & CO Detector Installation Cost Mill ValleySmoke & CO Detector Installation Cost Mill ValleySmoke & CO Detector Installation Cost Mill ValleySmoke & CO Detector Installation Cost Mill ValleySmoke & CO Detector Installation Cost Mill ValleySmoke & CO Detector Installation Cost Mill ValleySmoke & CO Detector Installation Cost Mill ValleySmoke & CO Detector Installation Cost Mill Valley

Smoke & CO Detector Installation Cost in Mill Valley, CA

Detailed pricing guide with local market adjustments and material comparisons

Mill Valley Average

$85–$340

Market Tier

Small City

Cost Breakdown

Smoke & CO Detector Installation Cost in Mill Valley

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 Mill Valley

Flores Electric

San Jose, CA

(408) 899-8450

Hertz Electric

San Jose, CA

(415) 676-0598

Drummond Electric

San Jose, CA

(408) 661-0219

California Power and Light

San Jose, CA

(408) 406-5832

Founding Member

Premium spot in Mill Valley

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Lead the Mill Valley community

Founding Member

Premium spot in Mill Valley

View all 39 electricians in Mill Valley →

Mill Valley Housing Market

Median Home Price

$1,700,000

Homes for Sale

Price per Sq Ft

$911

Local Pros

496

Home Service Professionals Near Mill Valley

Landscapers 71lender 70Stagers 66Painters 63Cleaners 61Flooring 60multimedia_specialist 53Plumbers 52

Median Household Income

$208,466

Median Home Value

$2,000,001

Median Rent

$3,313/mo

Homeownership Rate

66.1%

Population

14,064

Median Year Built

1958

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

Mill Valley 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(68 → 83)

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

Professionals Found

39 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 Mill Valley?

The average cost of smoke & co detector installation in Mill Valley, CA 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 Mill Valley, 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 Mill Valley?

Get at least 3 quotes from licensed professionals in Mill Valley. 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 Mill Valley, CA

Cost Breakdown

Smoke & CO Detector Installation Cost in Mill Valley

Material Cost Comparison

Save Money with DIY?

Get Quotes in Mill Valley

Mill Valley Housing Market

Track Your Costs

Smoke & CO Detector Installation

Property Health Score

Get a Personalized Estimate

Cost FAQ

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