Sewer Line Replacement cost: Boulder vs Denver (2026)
In 2026, sewer line replacement is about 9% less expensive in Boulder than in Denver. Most homeowners pay around $8,150 in Boulder versus $8,850 in Denver — a gap of roughly $700.
Boulder CO
Lower costTypically around $8,150
Denver CO
Typically around $8,850
Boulder vs Denver: full breakdown
| Factor | Boulder | Denver |
|---|---|---|
| Typical 2026 cost | $8,150 | $8,850 |
| Estimated range | $3,400–$12,850 | $3,700–$14,000 |
| Labor index (vs US) | ×1 | ×1.09 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.05 | ×1.05 |
| Local permit | $250 | $275 |
| Labor share | $4,900 | $5,300 |
| Materials/equipment | $3,250 | $3,550 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national sewer line replacement range for local labor, climate and permits.
Boulder vs Denver
Is sewer line replacement cheaper in Boulder or Denver?
In 2026, sewer line replacement is cheaper in Boulder at about $8,150, versus $8,850 in Denver — a difference of about $700 (9%).
Why does sewer line replacement cost more in Denver than Boulder?
The main driver is local labor rates: Denver's labor index is 1.09 versus 1 in Boulder. Climate zone (cold vs cold) and permit fees also shift the total.
How much is sewer line replacement in Boulder, CO?
In Boulder, sewer line replacement typically runs $3,400–$12,850 in 2026, with most homeowners paying around $8,150.
Updated June 2026 · By Costadia Editorial