Basic
$73 – $195 each
Molded plastic seat and lid in white, sized to fit the bowl, plastic hinges, old seat removed, hinge bolts tightened

Photo: Whoisjohngalt · CC BY-SA 4.0 · Source
Remove the old seat and install one new standard toilet seat (seat supplied, basic to mid grade) by a handyman or plumber.
Install Toilet Seat in Seattle, Washington typically costs $86 to $229 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Seattle are 19.0% higher than the national average for install toilet seat.
National average: $75 – $200 each
$73 – $195 each
Molded plastic seat and lid in white, sized to fit the bowl, plastic hinges, old seat removed, hinge bolts tightened
$86 – $229 each
Molded wood seat in white with slow-close lid, plastic quick-release hinge covers, fitted and leveled
$107 – $286 each
Heavy solid plastic contoured seat in white with slow-close lid, quick-release metal hinges, fitted and adjusted
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $35 – $94 | each |
| Labor | labor | $35 – $94 | each |
| Supplies & Other | supplies | $9.36 – $25 | each |
| Equipment & Disposal | equipment | $6.24 – $17 | each |
White toilet with the seat and lid up on a small-tile floor
Photo: RegionVisitor90 · CC BY-SA 4.0 · Source
Find a pro to do thisHands tightening a hinge bolt on a toilet seat at the back of the bowl
Rendering: BuildX
Find a pro to do thisLabor costs in Seattle run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local install toilet seat contractors in Seattle for personalized quotes based on your specific project.