Backflow Prevention Testing Cost San RafaelBackflow Prevention Testing Cost San RafaelBackflow Prevention Testing Cost San RafaelBackflow Prevention Testing Cost San RafaelBackflow Prevention Testing Cost San RafaelBackflow Prevention Testing Cost San RafaelBackflow Prevention Testing Cost San RafaelBackflow Prevention Testing Cost San RafaelBackflow Prevention Testing Cost San RafaelBackflow Prevention Testing Cost San Rafael

Backflow Prevention Testing Cost in San Rafael, CA

Detailed pricing guide with local market adjustments and material comparisons

San Rafael Average

$100–$500

Market Tier

Mid-Size City

Cost Breakdown

Backflow Prevention Testing Cost in San Rafael

Mid-Size City

LowAverageHigh

$100$300$500

Market Tier

Mid-Size City (1x)

Mid-size city with average market costs

Material Cost Comparison

Backflow prevention device(Budget)

$75–$375

Test gauge kit(Mid-Range)

$100–$500

Isolation valves(Premium)

$140–$700

Factors that affect your cost

Testing only vs device installation
Device type (RPZ, double check, PVB)
Number of devices
Annual certification fee
Municipality requirements

Get Quotes in San Rafael

Plumbtree Plumbing & Rooter

San Jose, CA

(408) 516-8746

JM Water Heaters & Drains

San Jose, CA

(408) 839-2124

Bueno Plumbing and Rooter

San Jose, CA

(408) 440-2728

Allstar Plumbing

San Jose, CA

(408) 282-7020

Founding Member

Premium spot in San Rafael

Ambassador

Lead the San Rafael community

Founding Member

Premium spot in San Rafael

View all 52 plumbers in San Rafael →

San Rafael Housing Market

Median Home Price

$1,250,000

Homes for Sale

Price per Sq Ft

$663

Local Pros

496

Home Service Professionals Near San Rafael

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

Median Household Income

$109,317

Median Home Value

$1,246,200

Median Rent

$2,346/mo

Homeownership Rate

51.8%

Population

60,604

Median Year Built

1968

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

Track Your Costs

Maintenance

Backflow Prevention Testing

Date

April 2026

Cost

$300

Vendor

Your local pro

Warranty

5-year material warranty

San Rafael average: $100–$500

Before

Issue documented with photos

After

Repair completed, area sealed

Materials Used

Backflow prevention deviceTest gauge kitIsolation valves

Warranty Details

5-year material warranty

Auto-Checkup Created

"Backflow Test" — every 12 months

Added by youApril 2026

Property Health Score

Fair

plumbing category +5 pts(70 → 75)

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 →

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Find a plumber near me

I found 52 plumbers in your area. Here are the top results:

Professionals Found

52 results

Smith & Sons

Connected

plumber

4.9(47)

BookQuote

J&R Home Services

plumber

4.7(23)

From $95/hr

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Title:plumber

Category:plumber

Date:2026-04-06

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Cost FAQ

What is the average cost of backflow prevention testing in San Rafael?

The average cost of backflow prevention testing in San Rafael, CA ranges from $100 to $500. The final price depends on Testing only vs device installation, Device type (RPZ, double check, PVB), Number of devices.

What factors affect backflow prevention testing cost?

Key factors include: Testing only vs device installation, Device type (RPZ, double check, PVB), Number of devices, Annual certification fee, Municipality requirements. In San Rafael, local labor rates and material availability also influence pricing.

How do I get accurate quotes for backflow prevention testing in San Rafael?

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

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$800–$3,000 (national avg)

Explore San Rafael, CA

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