Septic Tank Cost in Wyoming
City-by-city comparison for the same default project size, priced with BLS metro CPI where available and a regional model elsewhere. Use the table to gauge how much your ZIP code alone will move the quote.
Cheapest Wyoming metro
$4,773
Cheyenne
Statewide median
$4,773
Across 1 Wyoming cities
Most expensive Wyoming metro
$4,773
Cheyenne
Septic Tank — City-by-City Total
Open national calculator →| City | Cost multiplier | Typical project total | Detail |
|---|---|---|---|
| Cheyenne | 0.91× | $4,773 | Open → |
All totals priced with the calculator's default scope. To re-run for your specific project size, open the city link in the right column. Local labor wages and seasonality (below) are pulled from BLS OEWS and NOAA climate normals for Wyoming.
Typical Project Cost by System Type
Adjusted for Cheyenne, WY (-9%)Same default project size (default scope), priced across each material tier.
| Tier | Material rate | Total project | Installed per unit |
|---|---|---|---|
| Conventional Gravity — 1,000 gal | $3,483 | $4,773 | $0 |
| Conventional Gravity — 1,500 gal | $4,975 | $6,605 | $0 |
| Aerobic Treatment | $7,960 | $10,269 | $0 |
| Mound System | — | $15,154 | $0 |
| Chamber System | $5,970 | $7,826 | $0 |
Material rates reflect the latest BLS construction PPI adjustment. Installed totals include labor and supplies but exclude permits and any tear-out beyond the calculator's default scope.
Tier table priced for Cheyenne, the state's largest metro by population. Per-city totals in the table above use the same default scope across the 1 cities we cover.
Local Labor Rates Near Wyoming
State-level mean hourly wages from BLS OEWS, May 2023.
| Trade | SOC | Mean hourly (WY) | vs national | Loaded billing rate |
|---|---|---|---|---|
| Plumbers & PipefittersMost relevant | 47-2152 | $29.95 | -8.8% | ~$72/hr |
| Electricians | 47-2111 | $30.84 | -4.3% | ~$74/hr |
| HVAC Mechanics | 49-9021 | $27.10 | -5.4% | ~$65/hr |
| Carpenters | 47-2031 | $25.18 | -13.1% | ~$60/hr |
| Painters | 47-2141 | $21.45 | -13.4% | ~$51/hr |
| Roofers | 47-2181 | $21.85 | -15.6% | ~$52/hr |
| Construction Laborers | 47-2061 | $22.40 | -1.7% | ~$54/hr |
"Mean hourly" is the BLS OEWS state-level cross-industry mean wage paid to the worker. Loaded billing rate is a typical 2.4× multiple used in residential bids to cover overhead, insurance, taxes, vehicle, and contractor margin. Use it as a sanity check on a quoted hourly rate.
Best Months to Schedule Interior painting in Wyoming
Derived from NOAA climate normals for WY: heating/cooling degree days, freeze months, and annual precipitation.
Why these months
Interior work is climate-independent for cure, but contractors discount in winter because most exterior trades slow down. Booking interior jobs Dec–Feb often nets 5–15% lower quotes.
Booking tip
Ask for a winter or January discount and confirm ventilation if low-VOC paint is required.
Recommendations derived from Wyoming's climate profile (IECC zone 5B-7B, ~5 freeze months, 13" annual precipitation).
About this comparison
Project totals on this page use the calculator's default size and tier — they are designed for inter-city comparison, not as a quote. Pricing is built from the BLS residential construction PPI for materials and labor, with regional and direct metro CPI applied to capture local cost-of-living differences. Read the full methodology for source detail.