Plumbing · Franklin, TN
How much does sewer line replacement cost in Franklin, TN? (2026)
In Franklin, sewer line replacement runs $3,150–$11,850, with most paying around $7,500 — in line with the national average. Replacing the main sewer line from the home to the municipal connection (trenchless or traditional excavation).
Updated June 2026 · Localized estimate, not a quote
Most homeowners pay around $7,500
- Typical cost
- $7,500
- Labor vs US
- −3%
- Climate
- Mixed
- Local permit
- $250
Refine your estimate
Tune it to your home to narrow the sewer line replacement range.
Key takeaways for Franklin
- $3,150 on the low end, $11,850 on the high — sewer line replacement in Franklin averages $7,500, in line with the national average.
- Labor is the swing factor here: Franklin trades bill −3% relative to the national average.
- Around $250 of the range above goes to the local Plumbing permit, not an extra line item.
- Count on 50–100 years from a solid install; timing the next job yourself avoids the emergency premium.
- Skip peak pricing by scheduling in Off-peak winter for planned work; the shift is worth about Around 5%.
What goes into the price in Franklin
A typical Franklin sewer line replacement of $7,500 breaks down roughly like this — materials priced near the national level, labor set by local rates.
| Line item | Franklin 2026 range |
|---|---|
| Materials & equipmentUnit, materials and supplies — priced close to the national level. | $1,150 – $4,650 |
| Labor & installationThe installation work itself — removal, setup and startup — is what your city's labor rate actually moves. | $1,750 – $6,950 |
| Permit & feesWhat this city's building department charges for a Plumbing permit. | $250 |
| Total installed cost | $3,150 – $11,850 |
Split from the Franklin estimate using a 60% local-labor share; line items sum to the total.
Why sewer line replacement costs what it does in Franklin
- Labor in Franklin runs about 3% below the national average (based on price levels for the Nashville-Davidson--Murfreesboro--Franklin metro area), which lowers the installed price.
- Franklin's Plumbing permit runs roughly $250, which is already part of the number above.
Sewer Line Replacement cost by line length in Franklin
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.
| line length | Franklin 2026 range |
|---|---|
| 25 ft (short run) | $2,200 – $6,050 |
| 50 ft (typical) | $3,150 – $8,950 |
| 75 ft | $4,600 – $11,850 |
| 100+ ft (long / deep run) | $6,050 – $17,650 |
National size ranges localized to Franklin labor and climate.
Sewer Line Replacement cost by type in Franklin
| Trenchless lining (CIPP) | $4,150 – $11,900 |
| Pipe bursting | $5,100 – $12,850 |
| Traditional excavation | $3,150 – $12,850 |
Adjusted to Franklin from national type-level ranges.
Sewer Line Replacement cost by efficiency in Franklin
The install method matters as much as the length. Trenchless (pipe bursting or lining) costs more per foot but spares your yard, driveway, and landscaping; traditional open-trench digging is cheaper per foot but tears up the surface.
| Traditional open-trench digPer foot; lowest per-foot cost but full surface restoration | $300 – $400 |
| Trenchless pipe lining (CIPP)Per foot; cures a liner inside the old pipe, minimal digging | $350 – $500 |
| Trenchless pipe burstingPer foot; pulls a new pipe through, breaking the old one | $300 – $450 |
Labor vs. materials in Franklin
Install crew, removal, permit & startup — the part Franklin rates move most.
Equipment & materials — priced closer to the national level.
Split based on a typical $7,500 Franklin project; your mix varies with scope.
Skilled installers in the Nashville-Davidson--Murfreesboro--Franklin area earn about $29.4/hr (6% below the US average, per BLS metro wage data) — the local wage is what moves the labor half of your sewer line replacement cost.
How we estimate it
| National range | $3,000 – $12,000 |
| Franklin labor adjustment | ×0.97 |
| mixed climate factor | ×1 |
| Local permit | +$250 |
| Franklin estimate | $3,150 – $11,850 |
Promo prices vs. the real cost
A dispatch fee gets someone to your house. It has little bearing on what a repipe or sewer job actually costs:
- Camera inspection$100–$350 (sometimes waived)
- Service / diagnostic call$75–$200
- "Free" estimate on big jobs$0 — it's a sales visit
Additional sewer line replacement costs to budget for
None of these are a given. What you actually pay hinges on the condition of the current system and how hard the site is to work in.
| Sewer camera inspection (diagnosis)Confirm the scope before any digging — often credited toward the job | $100 – $500 |
| Permit & inspection | $100 – $1,000 |
| Landscape / lawn restorationOpen-trench only; trenchless avoids most of this | $300 – $4,000 |
| Driveway / sidewalk / concrete repairIf the line runs under paving | $500 – $5,000 |
| Tree / root removal in the trench path | $200 – $2,000 |
Typical national add-on ranges; confirm locally during your quote.
What's included
- Connection to home and city main
- Backfill, basic restoration and permit
- Excavation or trenchless boring
- New sewer pipe
What affects the cost
- Line length and depth (frost line)
- Soil conditions and access
- Trenchless vs traditional dig
- Landscaping or driveway restoration
Ways to save on sewer line replacement in Franklin
- Compare excavation vs pipe-lining quotes
- Trenchless avoids costly excavation and restoration
- Get a camera inspection — a spot repair may do
- Check if the city owns part of the line
How long does sewer line replacement last in Franklin?
Modern PVC and HDPE sewer pipe lasts 50–100 years; cured-in-place liners are rated for ~50 years.
A new line needs little upkeep; budget for an occasional camera check or jetting if you have nearby trees.
Signs you need sewer line replacement in Franklin
- Recurring drain clogs and backups across multiple fixtures
- Sewage smell in the yard or around floor drains
- Soggy, sunken, or unusually green patches in the lawn (sewage leak)
- Multiple slow drains throughout the house at once
- Gurgling toilets or drains when other fixtures run
- Tree-root intrusion confirmed on a camera inspection
- Old clay, cast-iron, or Orangeburg (tar-paper) sewer pipe
Repair or replace in Franklin?
Repair if…
- Damage is one isolated crack or offset joint
- The rest of the line is structurally sound on camera
- A spot repair or partial trenchless lining can reach it
Replace if…
- The line is clay, cast iron, or Orangeburg and failing
- There are multiple breaks, bellies, or root intrusions
- A section has collapsed or sagged (recurring backups)
- Repeated rooter/jetting visits aren't holding the problem
Cost calculator
Sewer line cost by method in Franklin, TN
Enter the run length (most home laterals are 40–100 ft, house to street). Per-foot ranges are localized to Franklin, TN labor.
| Method | Per foot | Total (60 ft) |
|---|---|---|
Open-trench (dig & replace) Traditional dig-up. Cheapest per foot but adds surface restoration (lawn, driveway, patio). | $49–$121 | $2,900–$7,300 |
Pipe bursting (trenchless) Pulls a new pipe through the old one via two access pits — minimal digging. | $58–$194 | $3,500–$11,650 |
CIPP lining (cure-in-place) A resin liner cured inside the existing pipe. No trench, but the pipe must be intact enough to line. | $78–$243 | $4,650–$14,550 |
Add surface restoration for open-trench (concrete/driveway $2–$25/sq ft) and permits where a run crosses into the public right-of-way. Per-foot ranges are national benchmarks localized to Franklin, TN labor — a research estimate, not a quote.
Cheapest time for sewer line replacement in Franklin
There's no such thing as a discount on a true emergency. The savings come from treating a repipe or sewer replacement as a planned project instead, scheduled for a quieter stretch when crews aren't stretched thin.
Why sewer line replacement quotes vary — and how to compare them fairly
When two quotes for one project diverge by thousands, the cause is usually what each one includes, not markup — here's how to read the difference.
Why a quote looks high (or low)
- Permits, inspection and surface/landscape restoration may be excluded.
- Scope is often unknown until a camera inspection confirms it.
- Trenchless vs. traditional dig is a major price difference.
Get an apples-to-apples bid
- Confirm permits, inspection and restoration are included.
- Require a camera inspection so the scope is confirmed before work.
- Ask whether trenchless or dig fits your situation and why.
- Compare pipe material on equal terms.
Questions to ask Franklin Plumbing pros
Quotes only compare cleanly when every bidder is pricing the same work — put these to each of them before you commit.
- 1Trenchless vs. traditional dig — which fits my situation and why?
- 2Is a camera inspection included so we confirm the scope before digging?
- 3Are permits, inspection, and surface/landscape restoration included?
- 4What pipe material are you using (PEX vs. copper) and why?
- 5Who is responsible for the city-owned portion of the line?
Sewer Line Replacement in Franklin
How much does sewer line replacement cost in Franklin, TN?
Expect to pay $3,150 to $11,850 for sewer line replacement in Franklin in 2026 — most quotes cluster around $7,500. Local labor, the mixed climate and permit fees are all baked into that number.
Is sewer line replacement more expensive in Franklin than average?
Why the gap? Franklin prices about the same as the national average, and local labor — indexed at 0.97 against the US average — does most of the work.; add in a Plumbing permit at roughly $250.
Do I need a permit for sewer line replacement in Franklin?
A Plumbing permit is standard in Franklin for this kind of work, at roughly $250. You won't need to add it on top of the estimate above — it's already there.
What affects sewer line replacement cost the most?
Replacing the main sewer line from the home to the municipal connection (trenchless or traditional excavation). From there, a handful of specifics push the final number up or down. The biggest drivers are equipment/material grade, the size and complexity of your home, local labor rates, and your climate zone (mixed).
How do you budget a major plumbing job?
Sewer lines and repipes don't come with a sticker price — the installation method and the condition of the ground move the number more than any material choice.
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 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 material case
PEX installs faster, costs less, and flexes instead of splitting when a line freezes — a real edge in cold zones. Copper carries a higher price and a longer service life, and some buyers still read it as the quality choice; let your climate and how long you'll own the home make the call.
Start with a camera inspection so the scope is fact, not a guess. Compare trenchless against the dig's full restoration bill, not just the excavation, and choose pipe material for your climate.
Editorial analysis by Serhat Özçelik, reviewed by Costadia Editorial. These are our own cost perspectives, not third-party endorsements.
How we calculated this estimate
We start with 2026 national sewer line replacement ranges compiled from contractor-pricing sources (Angi, HomeGuide, Fixr and EnergySage averages), then localize them to Franklin using the BLS metro wage data labor index (×0.97 here), the IECC mixed-climate factor (×1) and a typical local permit fee (≈$250). Federal incentive details reference the IRS Inflation Reduction Act (25C/25D) and DSIRE.
This is a planning estimate, not a quote.Actual prices vary with your home's condition, equipment grade and contractor — always confirm with licensed local pros before budgeting.
References & data sources
Our Franklin sewer line replacement estimate is built from these primary, mostly government sources — not a single aggregator.
- Occupational Employment & Wage Statistics (metro wages) — U.S. Bureau of Labor Statistics.Metro-level trade wages behind each city's labor index.
- Regional Price Parities (state & metro) — U.S. Bureau of Economic Analysis.Regional price levels used where metro wage data is unavailable.
- IECC Climate Zones — U.S. DOE — Building Energy Codes Program.Climate-zone factors applied to weather-sensitive projects.
- Home Energy Tax Credits (25C / 25D) — Internal Revenue Service.Federal rebate and tax-credit figures for eligible upgrades.
- Database of State Incentives for Renewables & Efficiency — DSIRE — NC State University.State and utility incentive programs by ZIP code.
Homeowners in Franklin often pair this with
A sewer line replacement rarely happens in isolation — these projects commonly come up alongside it.
Other projects in Franklin
Browse local 2026 costs for every home project in Franklin, TN.