Sewer Line Replacement cost: Knoxville vs Memphis (2026)
In 2026, sewer line replacement is about 1% less expensive in Knoxville than in Memphis. Most homeowners pay around $7,350 in Knoxville versus $7,450 in Memphis — a gap of roughly $100.
Knoxville TN
Lower costTypically around $7,350
Memphis TN
Typically around $7,450
Knoxville vs Memphis: full breakdown
| Factor | Knoxville | Memphis |
|---|---|---|
| Typical 2026 cost | $7,350 | $7,450 |
| Estimated range | $3,050–$11,600 | $3,100–$11,750 |
| Labor index (vs US) | ×0.95 | ×0.96 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | $225 | $225 |
| Labor share | $4,400 | $4,450 |
| Materials/equipment | $2,950 | $3,000 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national sewer line replacement range for local labor, climate and permits.
Knoxville vs Memphis
Is sewer line replacement cheaper in Knoxville or Memphis?
In 2026, sewer line replacement is cheaper in Knoxville at about $7,350, versus $7,450 in Memphis — a difference of about $100 (1%).
Why does sewer line replacement cost more in Memphis than Knoxville?
The main driver is local labor rates: Memphis's labor index is 0.96 versus 0.95 in Knoxville. Climate zone (mixed vs mixed) also shift the total.
How much is sewer line replacement in Knoxville, TN?
In Knoxville, sewer line replacement typically runs $3,050–$11,600 in 2026, with most homeowners paying around $7,350.
Updated June 2026 · By Costadia Editorial