Sewer Line Replacement cost: Knoxville vs Murfreesboro (2026)
In 2026, sewer line replacement is about 2% less expensive in Knoxville than in Murfreesboro. Most homeowners pay around $7,350 in Knoxville versus $7,500 in Murfreesboro — a gap of roughly $150.
Knoxville TN
Lower costTypically around $7,350
Murfreesboro TN
Typically around $7,500
Knoxville vs Murfreesboro: full breakdown
| Factor | Knoxville | Murfreesboro |
|---|---|---|
| Typical 2026 cost | $7,350 | $7,500 |
| Estimated range | $3,050–$11,600 | $3,150–$11,850 |
| Labor index (vs US) | ×0.95 | ×0.97 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | $225 | $250 |
| Labor share | $4,400 | $4,500 |
| Materials/equipment | $2,950 | $3,000 |
These are 2026 planning figures for sewer line replacement, localized to each city — not formal quotes.
Is the gap worth worrying about?
2% is within noise for sewer line replacement — contractor selection and timing move the price more than which of these two metros you're in.
Sewer line replacement by type: Knoxville vs Murfreesboro
Every sewer line replacement type gets its own localized price for each metro, using the same labor, climate and permit adjustments — a true apples-to-apples comparison.
| Type | Knoxville | Murfreesboro |
|---|---|---|
| Trenchless lining (CIPP) | $4,000–$11,600 | $4,100–$11,850 |
| Pipe bursting | $4,950–$12,500 | $5,100–$12,800 |
| Traditional excavation | $3,050–$12,500 | $3,150–$12,800 |
Sewer line replacement numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
Sewer line replacement by line length: Knoxville vs Murfreesboro
Sewer replacement is priced largely by the length of line from the house to the city main, at roughly $50–$250 per foot depending on method, depth, and what's above the trench.
| Size | Knoxville | Murfreesboro |
|---|---|---|
| 25 ft (short run) | $2,100–$5,900 | $2,200–$6,050 |
| 50 ft (typical) | $3,050–$8,750 | $3,150–$8,950 |
| 75 ft | $4,500–$11,600 | $4,600–$11,850 |
| 100+ ft (long / deep run) | $5,900–$17,250 | $6,050–$17,650 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national sewer line replacement range for local labor, climate and permits.
What plumbing pros earn in each metro
With labor making up about 60% of a sewer line replacement job, wage differences between metros do most of the work here. These figures are real BLS OEWS installer wages, not modeled estimates.
No BLS metro wage series for Knoxville; we use Tennessee regional price parity instead.
Nashville-Davidson--Murfreesboro--Franklin metro · about 6% below the US average installer wage.
Source: U.S. Bureau of Labor Statistics, OEWS metro wages for HVAC installers (used as a trade-labor index).
Cheapest time for sewer line replacement in either city
An actual emergency always pays full rate — there's no negotiating room. But a planned repipe or sewer-line job can be timed to a slower month, where crews have more attention to give and a little more room on price.
How do you budget a major plumbing job?
There's no fixed price for a repipe or sewer job until you know the method and what's below the yard. Our editors on how to think about the scope.
The diagnosis-first case
Pricing a sewer or repipe off a hunch invites two bad outcomes: paying to replace pipe that's fine, or missing the section that's actually collapsed. A camera run through the line settles the question before a single dollar is committed.
The method case
Compare the two methods on the finished bill, not the excavation quote. Trenchless costs more to install yet skips restoring everything a trench destroys, while a conventional dig looks cheap right up until you price setting the yard right again.
The material case
In freeze-prone regions PEX has the advantage: cheaper, quicker to run, and forgiving when temperatures drop. Copper asks for more up front but outlasts it and can nudge resale with certain buyers. The tiebreaker is your weather and your timeline in the house, not a blanket rule.
Skip the camera and you're budgeting a repipe or sewer line on guesswork. Get the inspection, compare trenchless against the dig on what it costs to make the property whole again, and choose pipe — PEX or copper — for the temperatures it'll live in.
Knoxville vs Murfreesboro
Is sewer line replacement cheaper in Knoxville or Murfreesboro?
Yes — Murfreesboro costs more. Expect around $7,500 for sewer line replacement there against $7,350 in Knoxville, about $150 (2%) apart in 2026.
Why does sewer line replacement cost more in Murfreesboro than Knoxville?
Labor rates explain most of it — 0.97 in Murfreesboro vs 0.95 in Knoxville. A mixed climate versus mixed, along with differing permit costs, accounts for the rest.
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.
When is the cheapest time to buy sewer line replacement — and does it differ by city?
No, the seasonal pattern is the same in Knoxville and Murfreesboro: book during Off-peak winter for planned work for about Around 5% in savings. Anytime it becomes an emergency is the priciest stretch in both cities, mostly due to emergency replacements.
Should I choose where to live based on sewer line replacement cost?
That would be a stretch. $150 is a one-time difference, not an ongoing one, and off-season buying plus apples-to-apples bids in Murfreesboro can close a good chunk of it. What matters more long-term is energy costs, climate and the condition of the home.
Compare sewer line replacement in other cities
Updated June 2026 · By Serhat Özçelik