How Much Does It Cost to Dig Up and Replace a Sewer Line in Broomfield, CO? (2026 Pricing Guide)

Jun 16

A cracked or collapsed sewer line under your yard doesn't wait for a convenient time. If you're noticing slow drains, sewage smells, or soggy patches in your lawn, you're probably already wondering what this is going to cost. Knowing how much it costs to dig up and replace a sewer line in Broomfield, CO is the first step toward making a smart decision — before the problem gets worse.

We're The Drain Cleaning Company, a veteran-owned, fully licensed plumbing company based right here in Broomfield. Our Colorado plumbing license number is MP.03000945, and we've been handling sewer and drain problems throughout the Denver metro area for years. We've seen every type of sewer failure this area throws at homeowners — and we'll give you straight answers, not a sales pitch.

This guide covers what you'll actually pay in 2026, what pushes prices up or down, how traditional and trenchless methods compare, and what signs tell you it's time to stop waiting.

How Much Does It Cost to Replace a Sewer Line in Broomfield, CO?

In Broomfield, CO, replacing a sewer line typically costs between $3,000 and $15,000. Most homeowners pay somewhere in the $6,000–$10,000 range for a full residential replacement. Trenchless methods generally run $4,000–$13,000, and they can save you money on landscaping repair since they don't require tearing up your yard.

Final price depends on the length of the damaged line, how deep it runs, what it's made of, and what's sitting above it — concrete, a deck, or just grass.

Quick-Reference Price Ranges by Job Scope

  
          Job Scope
          Estimated Cost Range
        
          Partial line repair (spot replacement)
          $1,500 – $5,000
        
          Full line replacement — traditional dig-up
          $6,000 – $15,000
        
          Full line replacement — trenchless
          $4,000 – $13,000
        
          Sewer scope inspection before work
          $150 – $400

Broomfield falls under the City and County of Broomfield's building division, which requires permits for sewer line work. Permit and inspection fees vary by job size and are separate from contractor labor and materials. We pull permits on every job — it protects you and keeps the work code-compliant.

For a detailed look at what's included in our process, visit our sewer line replacement in Broomfield service page.

Now that you have a ballpark number, let's look at what actually moves that price up or down for a Broomfield property.

What Factors Affect the Cost to Dig Up a Sewer Line?

Not every sewer job costs the same — and if you've gotten quotes that seem far apart, these are the reasons why.

The main cost drivers on any Broomfield job:

Line length and depth. Longer lines cost more. Deeper lines take more labor and equipment to reach. Most residential sewer mains run 4–6 feet deep, but some properties — especially older ones — run deeper.
Pipe material being removed. Clay pipe, cast iron, and older PVC each have different removal challenges. Clay cracks and breaks apart during excavation. Cast iron is heavy and slow to remove. Disposal costs vary by material.
Soil conditions. Broomfield sits at the edge of the Front Range foothills, and the ground here is not always cooperative. Rocky or clay-heavy soil takes longer to excavate and wears out equipment faster. That adds labor hours, and labor hours add to your bill.
What's above the line. A sewer line running under grass is the easiest scenario. One running under a concrete driveway, a poured patio, or a deck costs more — because that surface has to come up before we can dig, and it has to be restored when we're done.
Access points. Limited access means more manual work and sometimes smaller equipment, which takes longer.

One thing we see constantly on Broomfield calls near the foothills is soil that looks manageable on the surface but hits rock or heavy compacted clay just two feet down. That can add several hours of excavation time to what looked like a straightforward job from the surface. We always scope the line before we quote — so you know what's down there before we price the work.

How Much Does It Cost to Dig Up and Replace a Sewer Line in Broomfield, CO? (2026 Pricing Guide)

Traditional Dig-Up vs. Trenchless Sewer Replacement — Which Costs More?

The method you use affects cost, timeline, and how much of your yard gets disrupted. Here's how each one works and when it makes sense.

Traditional open-cut replacement means we excavate a trench along the full length of the damaged pipe, remove it, and install new pipe. It's the most reliable method when the line is severely collapsed, offset, or inaccessible by other means. But it costs more in restoration — you're paying to repair whatever surface was above the trench.

Trenchless replacement comes in two forms:

CIPP pipe lining (cured-in-place pipe): We insert a resin-coated liner into the existing pipe and cure it in place. This works when the original pipe still has enough structural integrity to hold the liner. No trench required beyond access points.
Pipe bursting: We pull a new pipe through the old one, fracturing the original outward as we go. This works well when the old pipe is too deteriorated for lining but the soil around it is clear of major obstacles.

And trenchless isn't always possible. If the pipe has fully collapsed, shifted significantly, or can't be accessed at both ends, open-cut is the only option.

Method Comparison

  
          Method
          Typical Cost
          Disruption Level
          Best For
        
          Traditional open-cut
          $6,000 – $15,000
          High — full trench
          Collapsed pipe, severe offsets
        
          CIPP pipe lining
          $4,000 – $10,000
          Low — access points only
          Cracked or root-damaged pipe with intact structure
        
          Pipe bursting
          $5,000 – $13,000
          Low to moderate
          Deteriorated pipe, full replacement needed

For a full breakdown of our trenchless options, visit our Broomfield sewer line replacement service page.

Once you've picked the right method, the next question most homeowners ask is: how long is my yard going to be torn up?

How Long Does Sewer Line Replacement Take in Broomfield?

Most residential sewer line replacements in Broomfield take 1 to 3 days from start to finish. Trenchless lining can often be completed in a single day. Traditional dig-up takes longer — usually 2 to 3 days for excavation, pipe work, backfill, and surface repair.

Typical project sequence:

Sewer scope inspection to confirm pipe condition and map the damage
Permit application submitted to the City and County of Broomfield Building Division
Permit issued — timeline varies; plan for at least a few business days
Excavation or trenchless access setup
Old pipe removed and new pipe installed (or liner cured in place)
Inspection by city building official
Backfill, compaction, and surface restoration

Permits can delay the start date, and we can't skip them. Any plumber who offers to pull permits "after the fact" or skip them entirely is putting your home's resale and your safety at risk. We submit permit applications as soon as we scope the job.

Why delaying the repair makes it worse. A damaged sewer line doesn't hold steady — it deteriorates. Roots grow into cracks. Soil shifts into voids. Sewage backing up into your home creates a health hazard and can cause structural damage to your foundation. If your line is failing now, waiting rarely saves money. It usually raises the final cost and the scope of the repair.

Signs You Need Sewer Line Replacement (Not Just a Repair)

Not every sewer problem needs a full replacement. But some symptoms point directly to it. Use this list to gauge where your situation likely falls.

Signs that often point to replacement:

Multiple drains backing up at the same time throughout the house — not just one fixture
Sewage odor inside your home or in your yard, especially near where the sewer line runs
Soggy ground or unusually green, lush strips of grass directly above the sewer line path (sewage is fertilizer — your lawn knows it's there)
Sinkholes or soft spots forming near the foundation or along the yard
Foundation cracks that appeared recently without an obvious cause
Camera inspection showing root intrusion throughout the line, full pipe collapse, or major offset joints that can't be repaired in place

When homeowners call us describing multiple slow drains plus a sewage smell in the yard, a camera inspection almost always shows root intrusion or a collapsed section — not just a clog. Those symptoms together rarely mean a simple cleaning will fix it. That's the point where we walk you through the footage and give you a clear recommendation. We show you what we see. You decide what to do.

If two or more of those signs sound familiar, you're probably past the "wait and see" stage — here's how to take the next step.

Next Steps: Get a Sewer Line Replacement Quote in Broomfield

Getting an accurate quote starts with a camera inspection. Before we can give you a real number, we need to see what's happening inside the pipe — length, condition, access points, and what's above the line. A scope inspection runs $150–$400 and tells you exactly what you're dealing with.

Before you call, have this ready if you can:

Approximate age of the home (tells us what pipe material to expect)
What symptoms you're seeing and how long they've been happening
Whether you've had any past camera inspections or sewer work done
Whether there's concrete, a deck, or other structures over where the sewer line runs

Local Broomfield experience matters here. We know the soil conditions near the foothills, we know the City and County of Broomfield's permit process, and we know the city tap requirements for connecting new pipe to the main. A contractor who works across a dozen states doesn't bring that knowledge to your specific property.

We're licensed, insured, and available 7 AM to 10 PM every day. For urgent problems, we answer emergency calls around the clock — because sewage backing up at 2 AM doesn't wait for business hours.

Call us at (720) 948-4175 or visit our professional sewer line replacement in Broomfield service page to learn more and request a quote.

You can also find us directly on Google — call, get directions, or request a quote right from our Google Business Profile listing.

Frequently Asked Questions

Most Broomfield homeowners pay between $6,000 and $10,000 for a full sewer line replacement, with the total range running $3,000 to $15,000 depending on line length, depth, pipe material, and access conditions. Trenchless methods typically fall between $4,000 and $13,000 and often cost less in surface restoration.
Trenchless methods often cost less overall when you factor in landscape and concrete repair, but the upfront contractor cost can be similar to traditional dig-up. The right method depends on your pipe's condition — a fully collapsed line can't be lined and requires open-cut replacement.
Most residential jobs in Broomfield take 1 to 3 days. Trenchless lining is often completed in a single day. Traditional open-cut work runs 2 to 3 days including excavation, installation, and surface restoration. Permit timelines from the City and County of Broomfield can add a few business days before work begins.
Yes. The City and County of Broomfield requires permits for sewer line replacement, and a city inspection is required before the trench is backfilled. We pull all required permits — it protects your home's resale value and keeps the work code-compliant.
Repair addresses a specific damaged section — a crack, a root intrusion point, or a small offset. Replacement removes the entire line and installs new pipe. A camera inspection tells us which option actually fits your situation. We won't recommend replacement if a targeted repair will hold.
Multiple drains backing up at once, sewage odors inside or outside the house, soggy ground above the sewer line path, and sinkholes near the foundation are the clearest signs. A camera inspection confirms what's happening inside the pipe and gives us the footage to show you directly.