Plumber in Boulder, CO for Slab Leaks, Sewer Backups, Water Heaters and Stubborn Clogs
Boulder is about 11.6 miles from Broomfield, the farthest area in this group. When a Boulder call reaches our dispatch line, the street address is logged and a Boulder plumber takes over, either on our own crew or an independent plumber we work with. The city runs its own water and sewer utilities, which matters for who repairs which pipe.
Call the Boulder dispatch lineBoulder plumbing emergency?
(303) 567-7524The line is answered at any hour, and a plumber serving Boulder takes the job once the dispatcher has your address.
- Say what failed and where in the house.
- Know where the main shutoff is.
- If gas is present, leave and call 911.
Boulder hydro jetting: is it the right fix for a drain that keeps returning?
Jetting suits a line that has been snaked more than once. A cable punches a hole through a blockage, and roots and grease grow back into it. Boulder hydro jetting sends high-pressure water through the pipe and scrubs the wall, and a camera pass afterward shows whether the pipe is sound enough to keep working. Ordinary drain cleaning with a cable is a different and smaller job.
If the camera finds a crushed section or a bad joint, jetting is the wrong tool and the estimate moves to a repair. A plumber should tell you which result you have.
Slab leak detection in Boulder, CO: locate it before you break the floor
Signs of a leak under a concrete slab include a warm spot on the floor, the sound of running water with all fixtures off and a meter that spins steadily. Slab leak detection in Boulder, CO pinpoints the pipe with listening equipment and thermal imaging so that only a small area is opened.
Once the location is known, there are three common choices: repair the section, reroute the line through the walls or attic, or repipe. The right one depends on how many leaks the pipe has already had.
Water heater replacement in Boulder, CO: sizing, venting and the permit
A heater that leaks from the shell, or one that needs a repair every season, is ready for water heater replacement in Boulder, CO. The job covers matching the size to your household, the vent or flue, the shutoff and expansion hardware, and the drain.
Boulder says it can request state license documents on any permit involving plumbing work, and it may refuse the permit or issue a stop-work order if they are missing. The City’s pages read did not name plumbing permits explicitly, so check with your plumber about who files and which office takes your address.
Source: City of Boulder, contemporaneous reviews of electrical and plumbing licenses, read 2026-10-31.
A slab leak, a sewage backup or a dead water heater in Boulder is a good reason to call now.
Is a Boulder, CO toilet repair worth doing or is replacement better?
A toilet that runs, hisses or needs a jiggle to stop is a repair: a flapper, a fill valve or a handle. A toilet that rocks, weeps at the base or has a crack in the china is the end of that fixture. The page on toilet repair in Boulder, CO and faucet work explains the difference and what to check first.
A toilet that clogs only when flushed, with everything else draining normally, is a trap or fixture problem. A toilet that clogs along with the shower and sink is a line problem.
Sewer repair in Boulder, CO and who owns the pipe
A sewer problem shows up as backups in the lowest drain, gurgling elsewhere or a smell near a cleanout. Sewer repair in Boulder, CO starts with a camera to find the cause, and the plan follows from it.
The City’s Utilities Division maintains the sanitary sewer mains. Its page says homeowners are responsible for the sewer service from the home up to and including the connection to the City main. The City owns the water line from the main to the meter, and the customer owns the stretch past the meter into the house. The pages read did not state a sale-time inspection rule, so ask the City whether one applies.
Sources: City of Boulder, Sanitary Sewer Rehabilitation Program page and Water Service Line Inventory page, accessed 2026-10-31.
Which tankless hot water heater in Boulder, CO suits your house?
A condensing tankless unit needs gas piping sized to the burner plus a vent and a condensate drain, and the colder incoming water in winter lowers the flow it can deliver. Questions about a tankless hot water heater in Boulder, CO start with how many fixtures run at once and how far the unit sits from the farthest tap.
A tankless unit that is already installed needs periodic descaling, and our tankless page covers that service too.
Old Boulder houses: repiping, water damage and leaks
Repiping. The City’s overview says about 57 percent of the roughly 500 homes in the Mapleton Hill historic district were built before 1910, and its design guidelines date the University Place Historic District buildings between 1910 and 1957. Houses of that age can hold supply pipe far past its working life, and repiping in Boulder is a fair question for them.
Water damage. A burst pipe in a house this old can soak plaster and wood trim, and water damage restoration deals with the drying once the plumber has stopped the source.
Leaks. A bill that jumps with no change in habits suggests a hidden leak, and the City’s lead service line inventory is complete, with no lead service lines found.
Sources: City of Boulder, Mapleton Hill overview, University Place design guidelines, Water Service Line Inventory. Read 2026-10-31.
Gas lines, disposals, softeners and the water line from the meter
For a range, dryer or fireplace, a gas line installation or repair comes with a leak test before the appliance is used. A jammed or leaking unit belongs on the garbage disposal page. Water treatment, including a water softener or a filter, is covered there; no hardness figure for Boulder was found in the pages read, so test your own tap. The pipe from the meter is on the water line repair page, and shops and landlords can start on the commercial plumbing overview.
After-hours plumbing calls in Boulder
Nobody is turned away by the clock: the line works all hours. Say if it is water, gas or sewage, give your street and the job is assigned to a plumber for Boulder. How soon someone arrives depends on the calls ahead of yours, so this page quotes no time. See the homepage emergency checklist for first steps.
- Burst pipe: close the main valve and open a low tap.
- Sewage backup: stop all water use.
- Frozen pipe: shut the main and do not use a flame to thaw it.
- Gas smell: leave and call 911.
Permits, Gunbarrel and which jurisdiction applies in Boulder
Boulder is a city with its own Planning and Development Services, and the building permit office handles building permits and inspections within city limits. Unincorporated parts of Boulder County, including some of Gunbarrel, use the County’s Building Safety and Inspection Services. A Boulder County plan for Gunbarrel notes that the area is unique because planning and services are shared between jurisdictions.
Neither page read names plumbing permits outright, so check with the right office for your address before work starts. If your street is near the Gunbarrel edge of the city, ask which office applies.
Sources: City of Boulder Planning and Development Services; Boulder County Building Safety; Gunbarrel Community Center Plan. Read 2026-10-31.
Chautauqua, Mapleton Hill, Gunbarrel and more: places we serve in Boulder
Each place below appears on a City of Boulder, Boulder County, hospital, library or university page. Boulder uses eleven ZIP codes, all listed here:
- 80301
- 80302
- 80303
- 80304
- 80305
- 80306
- 80307
- 80308
- 80309
- 80310
- 80314
ZIPs 80306, 80307 and 80308 are post office box ZIPs. ZIPs 80309 and 80310 belong to the University of Colorado, and 80314 belongs to a single company, so none of those five are general street-delivery areas. ZIP 80301 also covers Gunbarrel, so the street address decides.
Is your home inside the service range? Say your street and cross street, and the dispatcher confirms coverage during the call.
Call (303) 567-7524Neighborhoods
- Mapleton Hill, a historic district where about 57 percent of roughly 500 homes were built before 1910
- Gunbarrel, a community that is partly in unincorporated Boulder County
Parks, libraries and landmarks
- Colorado Chautauqua, a National Historic Landmark district and park
- Boulder Public Library, Main Library, in the 80302 ZIP
- Boulder Creek Park, formerly the Civic Area, in the 80302 ZIP
- Boulder Reservoir, a city recreation area in the 80301 ZIP
- Foothills Hospital, part of Boulder Community Health, in 80303
- Meadow Glen Park, a city park in the 80303 ZIP
- Folsom Field, the University of Colorado stadium
Towns we serve next to Boulder
Call the same line from the neighboring places listed here.
The shortest drives from Broomfield
- plumbing services in Lafayetteabout 3.7 miles away
- Louisville plumbersabout 5.0 miles away
- plumbing in Erie, COabout 6.0 miles away
Boulder plumbing questions
Who owns the sewer line at a Boulder house?
The City maintains the sanitary sewer mains. Its page says homeowners are responsible for the sewer service from the home up to and including the connection to the main.
Does Boulder have lead service lines?
The City reports its service line inventory is complete and found no lead service lines. The City owns the water line from the main to the meter, and the customer owns the part from the meter to the home.
Do all eleven Boulder ZIP codes get street service?
No. Three are post office box ZIPs, two belong to the University of Colorado and one to a single company. The dispatcher checks your street address.
Boulder plumber wanted now?
Phone the line, name the problem and your street, and the job is routed to a plumber serving Boulder.
Call (303) 567-7524