Basic
$237 – $710 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 Charleston, South Carolina typically costs $279 to $836 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Charleston are 8.0% lower than the national average for low flow toilet.
National average: $300 – $900 each
$237 – $710 each
Two-piece round-front 1.28 gpf toilet, standard height, standard seat, wax ring, new supply line, old toilet hauled away
$279 – $836 each
Two-piece elongated 1.28 gpf chair-height toilet, slow-close seat, new seal and braided supply, old toilet hauled away
$348 – $1,045 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 | $130 – $389 | each |
| Labor | labor | $91 – $274 | each |
| Supplies & Other | supplies | $35 – $104 | each |
| Equipment & Disposal | equipment | $23 – $69 | each |
Material costs in Charleston run proportionally higher than labor, which may favor labor-intensive approaches.
Connect with local low flow toilet contractors in Charleston for personalized quotes based on your specific project.