Quick answer: Plumber cost in Denver usually runs $45 to $200 an hour, plus a $100 to $250 service call fee. Most small repairs land between $120 and $300, a new tank water heater runs about $1,100 to $2,300 installed, and emergency calls cost 1.5 to 2 times normal rates.
Those figures come from Angi’s Denver cost data and published price guides from Denver plumbing companies, checked in 2026. Your price depends on the job, the age of your home, the time of day and whether a permit is needed. Here’s what to expect, job by job, and how to make sure a quote is fair.
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What plumbers charge per hour in Denver
Denver plumbers bill in one of two ways. Some charge by the hour, usually somewhere between $45 and $200 depending on experience and the company. Others quote a flat rate per job, which bundles labor, common parts and the trip into one number. Flat rates from licensed, insured Denver shops can work out closer to $300 an hour of actual work, but you know the total before anyone starts.
Expect a service call or diagnostic fee of $100 to $250 to get a plumber to your door. Many companies credit that fee toward the repair if you hire them, so ask before they arrive.
Plumber cost in Denver by job
These are typical installed price ranges for Denver homes. Angi’s Denver averages tend to run lower than local contractor price lists, so treat the low end as a simple job and the high end as a harder one.
| Job | Typical Denver price |
|---|---|
| Clear a sink or tub drain | $125 to $450 |
| Clear a main sewer line | $300 to $900 |
| Toilet repair | $167 to $390 (about $273 average) |
| Toilet replacement | $225 to $528 |
| Kitchen faucet installation | $190 to $458 |
| Tank water heater replacement | $1,092 to $2,261 (local shops often start near $2,900 with permit and haul-away) |
| Tankless water heater installation | $1,779 to $4,846 |
| Burst or frozen pipe repair | $420 to $1,590, more with water damage |
| Sewer camera inspection | $151 to $1,359 |
| Sewer line repair | $2,364 to $6,098 (about $4,231 average) |
| Full sewer line replacement | $5,000 to $15,000 or more |
| Sump pump installation | $846 to $1,587 |
| Main water line repair | $603 to $2,651 |
Emergency and after-hours plumber cost
A pipe that bursts at 2 a.m. costs more to fix than the same pipe on a Tuesday afternoon. In Denver, evening calls typically run about 1.5 times normal rates, weekends about 2 times, and holidays can reach 3 times. If water is spraying, shut off your main water valve first. That can turn an emergency into a next-morning appointment and save you the premium.
What drives plumber cost in Denver
- Cold snaps. Pipes along exterior walls and in unheated basements can freeze and burst when temperatures drop, which is why emergency calls and repair bills spike in winter.
- Older homes. Many Denver houses still have cast iron drains, galvanized supply pipes or clay sewer lines. Tree roots find their way into clay sewer lines, and old pipes can turn a simple repair into a bigger one.
- Clay soil. Denver’s expansive clay soils shift with moisture, which can crack sewer and water lines and add digging time.
- Permits. Denver lists water heaters and water service lines among the jobs that need a permit on single-family homes and duplexes. You can see the full list on the City of Denver quick permits page. Swapping a faucet or sink like for like does not need one.
- Hard water. Mineral scale shortens the life of water heaters, especially tankless units, so flushing and maintenance add to long-term cost.
How to get a fair plumbing quote in Denver
- Check the license. Plumbers in Colorado are licensed by the State Plumbing Board. Search the plumber’s name in DORA’s online license lookup, and ask for the company’s Denver contractor license.
- Ask how they bill. Flat rate or hourly? Is the service call fee credited toward the job?
- Ask who pulls the permit. For water heaters and water lines, a licensed plumber usually pulls it and includes the fee.
- Get two or three quotes for big jobs. For anything over about $1,000, like a sewer line or a water heater, compare written quotes.
- Ask about the warranty. Find out what’s covered on parts and labor, and for how long.
Ready to call someone? Compare plumbers in Denver and call them direct, with no lead fees and no bidding war.
Plumber cost in Denver: FAQs
How much does a plumber cost per hour in Denver?
Most Denver plumbers charge $45 to $200 an hour. Flat-rate pricing from licensed, insured shops can work out closer to $300 per hour of work, but you get a firm total up front.
How much is a plumber service call in Denver?
Expect $100 to $250 for a service call or diagnostic visit. Many plumbers credit it toward the repair if you hire them.
How much does it cost to replace a water heater in Denver?
A standard tank water heater typically costs $1,092 to $2,261 installed in Denver. Local plumbers often quote from about $2,900 when the permit, haul-away and an expansion tank are included. Tankless units run $1,779 to $4,846 or more.
Do I need a permit to replace a water heater in Denver?
Yes. Denver lists water heaters among the jobs that need a permit on single-family homes and duplexes. Your plumber usually pulls it, and owner-occupants can pull their own after passing the city’s exam.
How much does an emergency plumber cost in Denver?
Emergency calls usually cost 1.5 times normal rates in the evening, about 2 times on weekends and up to 3 times on holidays. Shutting off your main water valve can let you wait for regular hours.
How much does it cost to fix a burst pipe in Denver?
Burst or frozen pipe repairs commonly run $420 to $1,590 for the plumbing itself. Water damage cleanup can add $1,000 or more, so shut the water off fast.
How much does sewer line replacement cost in Denver?
Sewer line repairs average about $4,231 in Denver, with most between $2,364 and $6,098. A full replacement often costs $5,000 to $15,000 or more, depending on length, depth and whether trenchless methods can be used.
Should I get a sewer camera inspection first?
Yes, for any sewer problem. A camera inspection, typically $151 to $1,359 in Denver, shows whether you need a spot repair or a full replacement, which can save you thousands.
How do I check if a Denver plumber is licensed?
Plumbers are licensed by the Colorado State Plumbing Board. Search their name in DORA’s online license lookup and ask for the company’s Denver contractor license number.
Do Denver plumbers charge flat rate or hourly?
Both are common. Flat rate gives you a firm price before work starts. Hourly can be cheaper for quick jobs. Ask which one before the plumber arrives.
How can I prevent frozen pipes in Denver?
Insulate pipes along exterior walls and in unheated spaces, disconnect garden hoses before the first freeze, open sink cabinets on cold nights, and let a faucet drip during deep cold snaps.
