Sewer Line Replacement Cost in Denver 2026
Sewer Line Replacement in Denver costs between $3,498 and $17,490 in 2026, with the average around $8,162. Denver pricing runs 17% above the US national average. Replacement of the main sewer line from the house to the city connection using trenched or trenchless PVC piping. Includes excavation, camera inspection, and yard restoration.
What sewer line replacement includes in Denver
Replacement of the main sewer line from the house to the city connection using trenched or trenchless PVC piping. Includes excavation, camera inspection, and yard restoration.
Typical time on site: 2 to 5 days. Local labor rate: $34/hour for an experienced plumbing pro.
What changes the price of sewer line replacement in Denver
- Line length and depth
- Trenchless versus dig
- Landscaping and concrete removal
- Permits and inspections
- Soil and access conditions
A sewer line replacement quote priced off statewide averages will be off by 10 to 20 percent for Denver, because the metro has its own labor pool, material delivery distances, and permit timelines.
Denver climate and demand for plumbing
High altitude with intense UV degrading roofing; severe hailstorms; snow loads moderate; freeze-thaw on foundations
Denver permits for sewer line replacement
Building department: Denver Department of Community Planning and Development. https://www.denvergov.org/cpd
Typical permit cost: $200 - $3,000 residential. Inspection time: 7-20 business days; e-permits available for simple work. Denver rule: Denver is a Home Rule city with its own sales tax + building code. Denver requires city contractor license separate from state. Hailstorm market means roofing contractors face strict insurance fraud regulations.
Colorado sales tax and licensing for Plumbing
Colorado sales tax: 2.9% + local (~7.8% combined avg). Real property labor exempt. 70+ home-rule cities administer their own tax separately from state.
State license: No statewide GC license; municipal/county requirements apply (Denver, Boulder, Aurora, Colorado Springs), no statewide license, local registration required.
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