Backflow Preventer Installation Costs

Installation of a certified backflow prevention device on irrigation, fire suppression, or potable water systems to protect municipal supply.

Verified by 2 sourcesUpdated March 21, 2026

Cost Comparison by Location

50 locations with verified cost data

Cost Comparison — Backflow Preventer Installation

Alabama2 sources

Low

$135

Typical

$487

High

$1,100

Alaska2 sources

Low

$135

Typical

$516

High

$1,100

Arizona2 sources

Low

$135

Typical

$495

High

$1,100

Arkansas2 sources

Low

$135

Typical

$482

High

$1,100

California2 sources

Low

$135

Typical

$501

High

$1,100

Colorado2 sources

Low

$135

Typical

$496

High

$1,100

Connecticut2 sources

Low

$135

Typical

$506

High

$1,100

Delaware2 sources

Low

$135

Typical

$497

High

$1,100

Florida2 sources

Low

$135

Typical

$483

High

$1,100

Georgia2 sources

Low

$135

Typical

$489

High

$1,100

Hawaii2 sources

Low

$135

Typical

$512

High

$1,100

Idaho2 sources

Low

$135

Typical

$490

High

$1,100

Illinois2 sources

Low

$135

Typical

$529

High

$1,100

Indiana2 sources

Low

$135

Typical

$497

High

$1,100

Iowa2 sources

Low

$135

Typical

$494

High

$1,100

Kansas2 sources

Low

$135

Typical

$496

High

$1,100

Kentucky2 sources

Low

$135

Typical

$495

High

$1,100

Louisiana2 sources

Low

$135

Typical

$498

High

$1,100

Maine2 sources

Low

$135

Typical

$495

High

$1,100

Maryland2 sources

Low

$135

Typical

$496

High

$1,100

Massachusetts2 sources

Low

$135

Typical

$516

High

$1,100

Michigan2 sources

Low

$135

Typical

$510

High

$1,100

Minnesota2 sources

Low

$135

Typical

$516

High

$1,100

Mississippi2 sources

Low

$135

Typical

$491

High

$1,100

Missouri2 sources

Low

$135

Typical

$495

High

$1,100

Montana2 sources

Low

$135

Typical

$511

High

$1,100

Nebraska2 sources

Low

$135

Typical

$496

High

$1,100

Nevada2 sources

Low

$135

Typical

$493

High

$1,100

New Hampshire2 sources

Low

$135

Typical

$495

High

$1,100

New Jersey2 sources

Low

$135

Typical

$510

High

$1,100

New Mexico2 sources

Low

$135

Typical

$492

High

$1,100

New York2 sources

Low

$135

Typical

$511

High

$1,100

North Carolina2 sources

Low

$135

Typical

$484

High

$1,100

North Dakota2 sources

Low

$135

Typical

$496

High

$1,100

Ohio2 sources

Low

$135

Typical

$495

High

$1,100

Oklahoma2 sources

Low

$135

Typical

$488

High

$1,100

Oregon2 sources

Low

$135

Typical

$526

High

$1,100

Pennsylvania2 sources

Low

$135

Typical

$500

High

$1,100

Rhode Island2 sources

Low

$135

Typical

$498

High

$1,100

South Carolina2 sources

Low

$135

Typical

$488

High

$1,100

South Dakota2 sources

Low

$135

Typical

$484

High

$1,100

Tennessee2 sources

Low

$135

Typical

$491

High

$1,100

Texas2 sources

Low

$135

Typical

$491

High

$1,100

Utah2 sources

Low

$135

Typical

$495

High

$1,100

Vermont2 sources

Low

$135

Typical

$493

High

$1,100

Virginia2 sources

Low

$135

Typical

$492

High

$1,100

Washington2 sources

Low

$135

Typical

$512

High

$1,100

West Virginia2 sources

Low

$135

Typical

$482

High

$1,100

Wisconsin2 sources

Low

$135

Typical

$512

High

$1,100

Wyoming2 sources

Low

$135

Typical

$494

High

$1,100