What drain cleaning costs in Denver
- 5 price variables
- How jobs sort
- Compare quotes properly
Denver drain prices vary more than most people expect, not because of the company but because of the job. Here is what moves the number.
Call (720) 794-0974Want the number for your line rather than a range? Call and describe the job.
Call (720) 794-0974What actually changes the price
Five things, roughly in order of impact.
Fixture line or main sewer line
The single biggest factor. A bathroom sink is a small machine, a short cable and usually under an hour. A main sewer line is a large machine, 75-100 feet of heavy cable, cutting heads sized to a 4-inch pipe, and often two people. These aren't variations on one job. They're different jobs with different equipment.
Whether there's an accessible cleanout
A cleanout is a capped access fitting on the drain line, put there specifically so the line can be reached. If there's one outside or in the basement, a main-line clearing is straightforward. If there isn't, and plenty of older Denver homes don't have one, the line has to be reached another way: pulling a toilet, going through a roof vent, or working from a fixture that wasn't designed for it. All of that adds time, and time is most of the cost. It's the variable people are least aware of and it moves the number most.
How far in the blockage sits
A clog in the P-trap under a sink is minutes. A blockage 60 feet out in the lateral is a different scale of work, and it usually can't be confirmed without either reaching it or looking.
Cable or hydro jetting
Cabling is the standard method and the lower-cost one. Hydro jetting costs more because the equipment costs more and the setup takes longer. Jetting is worth paying for when the problem is a coated pipe: grease, scale, sludge. It isn't worth paying for on a single discrete blockage a cable will handle.
Time of day
After-hours, weekend and holiday work is priced differently by most companies in this market. Ask what applies before you commit, whoever you call.
A note on Denver's hard water: Denver runs moderately hard water, which builds mineral scale on pipe walls over time. That doesn't usually change the price of a single visit, but it does affect how often a line needs attention, particularly shower and tub drains, where scale gives hair something to anchor to.
Typical scenarios
Rather than quote numbers we can't stand behind, here's how jobs sort by complexity, which is what the price tracks. When you call, describing your situation gets you into the right tier quickly, and we'll give you the actual price before starting.
| Tier | Situation | What it involves |
|---|---|---|
| Tier 1 | Single fixture, accessible, straightforward | A bathroom sink, tub or shower with the blockage close to the trap. Small machine, short visit. The least expensive work we do. |
| Tier 2 | Single fixture, harder access or further in | A kitchen line where the blockage is well down the branch, or a toilet needing the fixture pulled. More time, bigger machine. |
| Tier 3 | Main sewer line, cleanout available | Heavy cable, cutting heads, often two people. Longer visit. Significantly more than fixture work, and reasonably predictable. |
| Tier 4 | Main sewer line, no accessible cleanout | Same work as Tier 3 plus the problem of getting into the line at all. The widest price range, because it depends entirely on what access exists. |
| Tier 5 | Hydro jetting | Priced above cabling in every tier. Justified where the pipe is coated rather than plugged. |
What a visit includes
Ask this of anyone you call. The answer varies a lot and it's where quotes stop being comparable. Things worth confirming:
- Is the diagnostic or trip charge included in the quoted price, or added?
- Does the price cover clearing the line, or only attempting it?
- What happens if the first method doesn't work?
- Is cleanup and debris removal included?
- Is a camera inspection included, extra, or not offered?
- Does the price change if the job runs longer than expected?
We'll answer all six on the phone. Call (720) 794-0974

How pricing approval works
Simple sequence, and it doesn't change:
We look at the problem
Which fixture, what access, what the symptoms suggest.
We tell you what's involved
Method, roughly how long, and what we expect to find.
We give you the price
Before anything starts.
You decide
If it's a no, that's fine.
If the job turns out different, we stop
If we open the line and it isn't what any of us thought, a collapsed section, no usable access, something structural, we stop and tell you before doing more work. We don't carry on and add it to the bill.
That last one is the part that matters. Most complaints about drain pricing aren't about the initial number. They're about the number changing halfway through, with the pipe already open and the homeowner with no realistic way to say no.
Why quotes look so different
If you ring three companies you'll get three very different answers, and usually they're answering different questions.
Some prices are diagnostic-only. A low number to come out and look, with the actual work quoted after.
Some assume an accessible cleanout. Reasonable on a newer home; frequently wrong on a 1920s bungalow. The quote holds until they arrive and find nothing to work from.
Some are hourly. Fine if the job is short. Open-ended if it isn't.
Some cover a fixture, not the main line. A quote for "a drain" may not include the sewer lateral at all.
Some are promotional entry prices. Real, but usually scoped tightly: a specific fixture, an accessible cleanout, during business hours, first visit.
None of that is dishonest by itself. It becomes a problem when the scope isn't stated. So the useful question isn't "how much". It's "how much, for what exactly, and what changes it?"
Frequently asked questions
What is the average cost to unclog a drain?
It depends on which fixture, how far in the blockage sits, whether there's an accessible cleanout, and whether it's a branch line or the main sewer line. Those four move the price more than anything else. A bathroom sink and a main sewer line are different jobs, not different sizes of one job.
How much does it normally cost to unblock a drain?
Fixture clearing sits at the lower end, main sewer line work substantially higher, and hydro jetting above cabling. The widest variable is cleanout access. Homes without one cost more because the line has to be reached another way. We give the price before starting.
How much does drain cleaning cost in Denver?
Denver tracks the same variables as anywhere, with one local wrinkle: a lot of the housing stock predates modern cleanout requirements, so access problems are more common here than in newer metros. That's the factor most likely to move a Denver quote.
Do you charge a trip or diagnostic fee?
Ask when you call and we'll tell you before you book anything. Whatever the answer, you'll have the total price before work starts. Nobody should discover a trip charge on the invoice.
Will you give me a price before you start the work?
Yes. We look, we explain, we give you the price, and you approve it before we begin. If the line turns out to be a different job once it's open, we stop and tell you rather than continuing and adding it to the bill.
Is professional drain cleaning worth it?
For a single slow sink, often not yet. A plunger or hand auger clears plenty. It becomes worth it when the clog returns, when more than one fixture is affected, or when a cable can't reach it. Repeat clogs usually mean something structural that clearing alone won't fix.
What you'd actually be paying for
The price tracks the method, and the method tracks what is in the line. These are the three that account for most Denver drain jobs.

Cable and auger work
The standard method and the lower-cost one. Suits discrete blockages: a root mass, an object, a solid plug. Fixture lines sit at the bottom of the range, main sewer lines well above it.
See drain cleaning →
Hydro jetting
Priced above cabling in every tier because the equipment costs more and the setup takes longer. Worth it where the pipe is coated rather than plugged. Not worth it on a single discrete blockage.
See hydro jetting →
A camera first
Frequently the cheapest thing you can do. Paying to clear a line repeatedly costs more over two years than looking once and finding out why it keeps blocking.
See camera inspection →Want the number for your specific line rather than a range? Describe the fixture and the access by phone on (720) 794-0974.
Related reading
- How much does hydro jetting cost?, on why jetting is priced above cabling and when the extra is worth paying.
- What Roto-Rooter charges in Denver, on why quotes vary so widely and five questions worth asking whoever you call.
- All six drain services, with what each one covers and what we don't do.
- Where we work, across Denver neighborhoods and metro suburbs.
Your line priced on one call
A range on a page cannot price your job. The fixture, the access and the method decide it, and two minutes on the phone narrows all three.
We look at the problem first, explain what is involved, and give you the price. Work only begins after you say yes.
- Which fixture, or whether it is the main line
- Whether there is an accessible cleanout
- What has already been tried
- The price before any work starts
Get a price for your line
Call and describe the situation: which fixture, whether you know where the cleanout is, and roughly when the house was built. That's usually enough to tell you what you're looking at.
Call (720) 794-0974