Basic
$125 – $417 each
Cartridge swapped through the trim opening, seats and springs replaced, anti-scald limit checked, trim reinstalled

Plumber repair of a shower/tub mixing valve reached through the trim opening or an access panel (cartridge, stem, seats/springs or valve body swap), parts and labor; tile or wall opening extra.
Repair Shower Valve in Portland, Maine typically costs $147 to $490 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Portland are 1.0% lower than the national average for repair shower valve.
National average: $150 – $500 each
$125 – $417 each
Cartridge swapped through the trim opening, seats and springs replaced, anti-scald limit checked, trim reinstalled
$147 – $490 each
Matched cartridge for the valve, body cleaned of scale, seats and springs, anti-scald limit set, trim reinstalled
$184 – $613 each
Full rebuild through the access with new cartridge, seats and springs, body descaled, connections tested, anti-scald limit set
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $66 – $218 | each |
| Labor | labor | $52 – $175 | each |
| Supplies & Other | supplies | $17 – $58 | each |
| Equipment & Disposal | equipment | $12 – $39 | each |
Brass tub and shower mixing valve exposed in the opened wall
Photo: Tomwsulcer · CC0 · Source
Find a pro to do thisShower valve body in an opened tile wall with a red cap on the valve
Photo: Tomwsulcer · CC0 · Source
Find a pro to do thisThree chrome shower valve stems on a white tile wall with the trim removed
Photo: Tomwsulcer · CC0 · Source
Find a pro to do thisOld diverter valve cartridge with mineral buildup
Photo: Tomwsulcer · CC0 · Source
Find a pro to do thisPEX supply lines connected to shower valve stubs in opened wall framing
Photo: Tomwsulcer · CC0 · Source
Find a pro to do thisHole cut in a bathroom wall above a tub to reach the shower valve
Photo: Tomwsulcer · CC0 · Source
Find a pro to do thisBuildX Pro researches and reviews the national price range for Repair Shower Valve, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked Nov 2026.
Connect with local repair shower valve contractors in Portland for personalized quotes based on your specific project.