Septic product prices in Washington
Delivered prices in Washington (October 2026), by product type.
| Product type | Median | Typical range | Listings | Distributors |
|---|---|---|---|---|
| Dose Tank | $1,675 | $1,556 – $1,736 | 32 | 7 |
| Septic Tank | $1,822 | $1,789 – $1,943 | 45 | 8 |
Delivered prices listed by distributors on landplan.io, in US dollars. The median is the middle price; the typical range runs from the 25th to the 75th percentile. A figure is published only when enough listings from enough distributors back it. Open the interactive price index.