Plumbing cost in Denver, CO
Plumbing work ranges from clearing a drain to replacing every supply line in the house. Emergency water leaks are the most common call, and the fastest place for costs to spiral if diagnosis is rushed.
What's different about plumbing in Denver
Pricing for plumbing work in Denver tracks close to national averages, but availability tightens in the weeks after major storms. Get more than one quote and make sure each one covers the same scope before you compare numbers.
Denver labor runs above the national average across most trades, and post-hail roofing demand can add another 15–25% for weeks at a time. Colorado roofing law requires contractors to give you a written contract and a right to cancel if insurance denies the claim.
Typical costs
Service call / drain clear
Snaking a single fixture.
$150 – $450
Water heater replacement
Tankless runs higher.
$1,400 – $3,200
Slab leak repair
Depends on access and rerouting.
$2,000 – $6,500
Whole-home repipe
PEX is cheaper than copper.
$6,000 – $15,000
Ranges reflect typical residential pricing. Denver labor rates, permits, and access can move them.
Common questions
How do I know if I have a hidden leak?
Shut off every fixture and watch your water meter for 30 minutes. Movement means water is going somewhere it shouldn't.
Tank or tankless water heater?
Tankless costs 2–3x more installed but lasts about twice as long and cuts standby energy loss. Tank units make sense if you're staying under 5 years.
Is a permit required?
For water heater replacements, repipes, and sewer line work, almost always. An unpermitted job can complicate a future sale.
Things to watch out for
- Hourly quotes with no cap on an emergency job.
- Camera inspections used to sell a full sewer replacement without showing you the footage.
- Plumbers who won't pull permits for work that requires them.
Serving Denver and nearby Aurora, Lakewood, Arvada, Westminster, Centennial, Littleton.
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