Basic
$292 – $876 each
Two-piece round-front 1.28 gpf toilet, standard height, standard seat, wax ring, new supply line, old toilet hauled away

One low-flow (1.28 gpf) toilet supplied and installed, old toilet removed and disposed of, wax ring/flange set; in-wall carrier or major plumbing extra.
Low Flow Toilet in Seattle, Washington typically costs $344 to $1,031 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 low flow toilet.
National average: $300 – $900 each
$292 – $876 each
Two-piece round-front 1.28 gpf toilet, standard height, standard seat, wax ring, new supply line, old toilet hauled away
$344 – $1,031 each
Two-piece elongated 1.28 gpf chair-height toilet, slow-close seat, new seal and braided supply, old toilet hauled away
$429 – $1,288 each
One-piece elongated chair-height 1.28 gpf toilet with skirted trapway, slow-close seat, braided supply, old toilet hauled away
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $140 – $421 | each |
| Labor | labor | $141 – $422 | each |
| Supplies & Other | supplies | $37 – $112 | each |
| Equipment & Disposal | equipment | $25 – $75 | each |
Labor costs in Seattle run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local low flow toilet contractors in Seattle for personalized quotes based on your specific project.