Plumbing · Centennial, CO
How much does sewer line replacement cost in Centennial, CO? (2026)
In Centennial, sewer line replacement runs $3,700–$14,000, with most paying around $8,850 — about 18% above 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 $8,850
- Typical cost
- $8,850
- Labor vs US
- +7%
- Climate
- Cold
- Local permit
- $275
Refine your estimate
Tune it to your home to narrow the sewer line replacement range.
Key takeaways for Centennial
- Expect $3,700 to $14,000 for sewer line replacement in Centennial; most quotes cluster near $8,850, about 18% above the national average.
- Local labor in Centennial is +7% relative to the national average, which is what pushes this estimate away from the countrywide number.
- A Plumbing permit in Centennial runs about $275 — it's already folded into the estimate above.
- 50 to 100 years is the usual service life, so budget for the next one before it fails.
- Off-peak winter for planned work is the low-price window — about Around 5% under peak rates.
What goes into the price in Centennial
A typical Centennial sewer line replacement of $8,850 breaks down roughly like this — materials priced near the national level, labor set by local rates.
| Line item | Centennial 2026 range |
|---|---|
| Materials & equipmentHardware and supplies for the job; national pricing applies almost everywhere you go. | $1,350 – $5,500 |
| Labor & installationLabor to remove the old system and install the new one — this is where your city's wage index shows up. | $2,075 – $8,225 |
| Permit & feesWhat this city's building department charges for a Plumbing permit. | $275 |
| Total installed cost | $3,700 – $14,000 |
Split from the Centennial estimate using a 60% local-labor share; line items sum to the total.
Why sewer line replacement costs what it does in Centennial
- Labor in Centennial runs about 7% above the national average (based on price levels for the Denver-Aurora-Centennial metro area), which raises the installed price.
- Because Centennial sits in a cold climate zone, sewer line replacement costs run about 5% higher than a neutral-climate baseline.
- Centennial's Plumbing permit runs roughly $275, which is already part of the number above.
Sewer Line Replacement cost by line length in Centennial
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 | Centennial 2026 range |
|---|---|
| 25 ft (short run) | $2,550 – $7,150 |
| 50 ft (typical) | $3,700 – $10,550 |
| 75 ft | $5,400 – $14,000 |
| 100+ ft (long / deep run) | $7,150 – $20,850 |
National size ranges localized to Centennial labor and climate.
Sewer Line Replacement cost by type in Centennial
| Trenchless lining (CIPP) | $4,850 – $14,000 |
| Pipe bursting | $6,000 – $15,150 |
| Traditional excavation | $3,700 – $15,150 |
Adjusted to Centennial from national type-level ranges.
Sewer Line Replacement cost by efficiency in Centennial
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 | $350 – $450 |
| Trenchless pipe lining (CIPP)Per foot; cures a liner inside the old pipe, minimal digging | $350 – $550 |
| Trenchless pipe burstingPer foot; pulls a new pipe through, breaking the old one | $350 – $500 |
Labor vs. materials in Centennial
Install crew, removal, permit & startup — the part Centennial rates move most.
Equipment & materials — priced closer to the national level.
Split based on a typical $8,850 Centennial project; your mix varies with scope.
Skilled installers in the Denver-Aurora-Centennial area earn about $35.7/hr (15% above 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 |
| Centennial labor adjustment | ×1.09 |
| cold climate factor | ×1.05 |
| Local permit | +$275 |
| Centennial estimate | $3,700 – $14,000 |
Promo prices vs. the real cost
Service-call pricing is separate from the project cost:
- Service / diagnostic call$75–$200
- Camera inspection$100–$350 (sometimes waived)
- "Free" estimate on big jobs$0 — it's a sales visit
Additional sewer line replacement costs to budget for
Only a handful of these will touch your total. Which ones depend on what's already in place and how the crew has to reach it.
| 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
- Excavation or trenchless boring
- Connection to home and city main
- New sewer pipe
- Backfill, basic restoration and permit
What affects the cost
- Trenchless vs traditional dig
- Landscaping or driveway restoration
- Soil conditions and access
- Line length and depth (frost line)
Ways to save on sewer line replacement in Centennial
- Trenchless avoids costly excavation and restoration
- Get a camera inspection — a spot repair may do
- Compare excavation vs pipe-lining quotes
- Check if the city owns part of the line
How long does sewer line replacement last in Centennial?
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 Centennial
- 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 Centennial?
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 Centennial, CO
Enter the run length (most home laterals are 40–100 ft, house to street). Per-foot ranges are localized to Centennial, CO labor.
| Method | Per foot | Total (60 ft) |
|---|---|---|
Open-trench (dig & replace) Traditional dig-up. Cheapest per foot but adds surface restoration (lawn, driveway, patio). | $55–$136 | $3,250–$8,200 |
Pipe bursting (trenchless) Pulls a new pipe through the old one via two access pits — minimal digging. | $65–$218 | $3,900–$13,100 |
CIPP lining (cure-in-place) A resin liner cured inside the existing pipe. No trench, but the pipe must be intact enough to line. | $87–$273 | $5,250–$16,350 |
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 Centennial, CO labor — a research estimate, not a quote.
Cheapest time for sewer line replacement in Centennial
Emergency plumbing work is priced for urgency, full stop. A repipe or sewer line, on the other hand, is a project you can schedule — and scheduling it for a slow month gets you a slightly better rate and a crew that isn't rushing.
Why sewer line replacement quotes vary — and how to compare them fairly
Two contractors can price the same job thousands apart. Almost always it's the scope each assumed — here's what drives the gap and how to close it.
Why a quote looks high (or low)
- Pipe material (PEX vs. copper) changes both cost and longevity.
- 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
- Ask whether trenchless or dig fits your situation and why.
- Clarify who owns the city-side portion of the line.
- Confirm permits, inspection and restoration are included.
- Require a camera inspection so the scope is confirmed before work.
Questions to ask Centennial Plumbing pros
You can't judge bids side by side unless they cover the same ground; run through these with every pro on your list.
- 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 Centennial
How much does sewer line replacement cost in Centennial, CO?
Budgeting for sewer line replacement? In Centennial, 2026 prices land between $3,700 and $14,000, and about $8,850 is the typical outcome. Strip out Centennial's labor rates, its cold climate and permit fees and you'd be left with a national average — this range keeps them in.
Is sewer line replacement more expensive in Centennial than average?
Yes — Centennial is about 18% higher than the national average, largely a function of local labor pricing at 1.09× the US average. — the local Plumbing permit, about $275, is part of that too.
Do I need a permit for sewer line replacement in Centennial?
Expect to pull a Plumbing permit in Centennial — about $275 — which is already built into the estimate above, not an extra charge.
What affects sewer line replacement cost the most?
Replacing the main sewer line from the home to the municipal connection (trenchless or traditional excavation). That's the baseline — the price moves from there. Grade of equipment and materials tops the list, followed by home size and complexity, local labor, and the cold climate zone.
How do you budget a major plumbing job?
Plumbing budgets for repipes and sewer lines hinge on two unknowns — the install method and the ground itself. Our editors break down the trade-offs.
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 is cheaper, faster and freeze-tolerant; copper costs more but lasts longer and some buyers prefer it. Match the material to your climate and how long you'll own the home.
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.
Scope, not brand, is what sets a plumbing price. Confirm it with a camera inspection, compare trenchless against the full cost of a dig — landscaping included — and match pipe material to 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 Centennial using the BLS metro wage data labor index (×1.09 here), the IECC cold-climate factor (×1.05) and a typical local permit fee (≈$275). 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 Centennial 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 Centennial often pair this with
A sewer line replacement rarely happens in isolation — these projects commonly come up alongside it.
Other projects in Centennial
Browse local 2026 costs for every home project in Centennial, CO.