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Backflow Prevention Testing Cost in Bethesda, MD
Detailed pricing guide with local market adjustments and material comparisons
Bethesda Average
$100–$500
Market Tier
Mid-Size City
Cost Breakdown
Backflow Prevention Testing Cost in Bethesda
Mid-Size CityLowAverageHigh
$100$300$500
Market Tier
Mid-Size City (1x)
Mid-size city with average market costs
Material Cost Comparison
Backflow prevention device(Budget)
$75–$375Test gauge kit(Mid-Range)
$100–$500Isolation valves(Premium)
$140–$700Factors 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 Bethesda
0
Neptune's Plumbing
Arlington, VA
(571) 473-6006
Cherry Blossom Plumbing
Arlington, VA
(703) 914-3012
Willway Plumbing & Gas
Arlington, VA
(571) 365-0304Founding Member
Premium spot in Bethesda
Ambassador
Lead the Bethesda community
Founding Member
Premium spot in Bethesda
Bethesda Housing Market
Median Home Price
$1,250,000
Homes for Sale
42
Price per Sq Ft
$485
Local Pros
600
Home Service Professionals Near Bethesda
lender 101Agents 95multimedia_specialist 82Landscapers 78Roofers 65Movers 65Flooring 57Cleaners 57
Median Household Income
$191,348
Median Home Value
$1,129,700
Median Rent
$2,437/mo
Homeownership Rate
65.1%
Population
67,403
Median Year Built
1970
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
Bethesda 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
74
plumbing category +5 pts(69 → 74)
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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Date:2026-04-08
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Cost FAQ
What is the average cost of backflow prevention testing in Bethesda?
The average cost of backflow prevention testing in Bethesda, MD 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 Bethesda, local labor rates and material availability also influence pricing.
How do I get accurate quotes for backflow prevention testing in Bethesda?
Get at least 3 quotes from licensed professionals in Bethesda. Use Fizbo SmartSearch to find and compare local plumbers, read reviews, and request estimates — all in one place.