# Denver Plumber Pros > Denver Plumber Pros is an independent homeowner guide to plumbing in the Denver metro, Colorado, operated by SWKM GmbH (Munich, Germany). Not a licensed contractor: the site does not perform, price or guarantee any work. It explains costs, warning signs and how to hire and verify a licensed contractor, and accepts referral requests by email (dispatch@denverplumberpros.com). Updated 2026-10-08. ## Key facts - Most Denver plumbing jobs fall within national cost-guide ranges. HomeGuide's 2026 guides list $45 to $150 per hour for plumber labor, $100 to $275 for a basic drain clog and $600 to $3,100 for an installed tank water heater. Before you hire, check the plumber's state license with Colorado DORA and, inside Denver, the company's city contractor license. - Verify any contractor license with the Colorado Division of Professions and Occupations, Plumbing (https://dpo.colorado.gov/Plumbing) before signing. - No phone line, no technicians, no reviews published. Requests by email only. - Operator: SWKM GmbH, Kathi-Kobus-Straße 21, 80797 München, Germany, HRB 206143 (Amtsgericht München). ## Main pages - [Plumber in Denver: an independent guide to costs, permits and hiring](https://denverplumberpros.com/): Independent Denver plumbing guide: 2026 cost ranges, warning signs, permits and how to verify a licensed plumber before work starts. - [Plumbing services in Denver: what each job involves and costs](https://denverplumberpros.com/services/): Guide to Denver plumbing services: water heaters, drains, sewer lines, boilers and emergencies, with sourced cost ranges and permit notes. - [Boiler repair in Denver: costs, safety checks and when to replace](https://denverplumberpros.com/services/boiler-repair/): Denver boiler and radiant heat repair guide: 2026 part and service costs, carbon monoxide safety, AFUE ratings, permits and Xcel rebate history. - [Drain cleaning in Denver: costs, methods and when to call](https://denverplumberpros.com/services/drain-cleaning/): Denver drain cleaning guide: 2026 costs by fixture, snaking versus hydro jetting, when a clog is a main line problem and what never to flush. - [Emergency plumbing in Denver: after-hours costs and how to hire](https://denverplumberpros.com/services/emergency-plumbing/): What emergency plumbing costs in Denver: after-hours, weekend and holiday rates, trip fees, typical repair prices and how to hire under pressure. - [Sewer line repair in Denver: who pays, what it costs, how it works](https://denverplumberpros.com/services/sewer-line-repair/): Denver sewer line repair guide: who owns the line, 2026 repair and trenchless costs per foot, camera inspections and the city's inspection fee. - [Water heater repair and replacement in Denver: costs and options](https://denverplumberpros.com/services/water-heater/): Denver water heater guide: 2026 repair and replacement costs for tank, tankless and heat pump units, quick permits, Xcel rebates and hiring tips. - [About Denver Plumber Pros: an independent plumbing guide for Denver](https://denverplumberpros.com/about/): Who runs Denver Plumber Pros, what this independent guide does and does not do, how we source and check facts, and how referral requests work. - [Contact and referral requests](https://denverplumberpros.com/contact/): Email a plumbing referral request for Denver: what to include, what happens next, and who to call instead in a real emergency such as a gas smell. - [Emergency plumber in Denver: what to do in the first ten minutes](https://denverplumberpros.com/emergency-plumber/): Plumbing emergency in Denver? Shut off the water, handle gas smells and frozen pipes safely, and find the official Denver numbers to call first. - [Reviews and how we handle them](https://denverplumberpros.com/reviews/): Why Denver Plumber Pros publishes no reviews yet, our rules for verified feedback, and how to check a Denver plumber's reviews and complaints. ## City guides - [Plumbing guides for Denver metro cities](https://denverplumberpros.com/locations/): Plumbing guides for Arvada, Aurora, Centennial, Lakewood, Littleton, Parker, Thornton and Westminster: permits, water providers and housing age. - [Hiring a plumber in Arvada, CO: what to know first](https://denverplumberpros.com/locations/arvada/): Hiring a plumber in Arvada? City permit rules, the free lead service line replacement window ending Dec. 31, 2026, and how to check an Arvada license. - [Plumber in Aurora, CO: permits, rebates and how to hire](https://denverplumberpros.com/locations/aurora/): Aurora plumbing guide: which jobs need a city permit, Aurora Water's toilet rebate, the lead service line map, and how to confirm a plumber is licensed. - [Finding a plumber in Centennial, CO](https://denverplumberpros.com/locations/centennial/): Centennial plumbing guide: permits for any plumbing or gas work, the city's plumbing license class, which water district serves you, and toilet rebates. - [Plumber in Lakewood, CO: providers, permits and hiring](https://denverplumberpros.com/locations/lakewood/): Lakewood plumbing guide: 27 water and sewer providers, why water heater swaps need a registered plumber, homeowner permit limits and license checks. - [Hiring a plumber in Littleton, CO](https://denverplumberpros.com/locations/littleton/): Littleton plumbing guide: why most plumbing work needs a city-licensed contractor, the homeowner permit policy, Denver Water contacts and toilet rebates. - [Plumber in Parker, CO: what homeowners should know](https://denverplumberpros.com/locations/parker/): Parker plumbing guide: Town permit rules for water heaters and gas lines, contractor licensing, Parker Water rebates and soil issues in newer homes. - [Plumber in Thornton, CO: permits, rebates and hiring](https://denverplumberpros.com/locations/thornton/): Thornton plumbing guide: which jobs need a permit, quick-issue homeowner permits, the $75 WaterSense toilet rebate and Thornton's lead line findings. - [Plumber in Westminster, CO: permits, service lines and hiring](https://denverplumberpros.com/locations/westminster/): Westminster plumbing guide: when repairs need a permit, the pre-1961 service line inventory, free toilets for income-qualified owners, license checks. ## Homeowner guides - [Plumbing guides for Denver homeowners](https://denverplumberpros.com/resources/): Plain-language plumbing guides for Denver homeowners: 2026 cost ranges, hiring a licensed plumber, frozen pipes, boilers and expansive soil slab leaks. - [Boiler maintenance for Denver homes](https://denverplumberpros.com/resources/boiler-maintenance-denver/): Boiler and radiant heat care for Denver homes: what an annual service checks, AFUE ratings, Colorado CO alarm rules and 2026 repair cost ranges. - [Expansive soil and slab leaks in Denver](https://denverplumberpros.com/resources/expansive-soil-slab-leaks-denver/): How Front Range swelling clay damages slabs, pipes and sewer lines, the warning signs of a slab leak, and 2026 cost ranges for detection and repair. - [How to prevent frozen pipes in a Denver winter](https://denverplumberpros.com/resources/frozen-pipe-prevention-denver/): Prevent frozen pipes in Denver: freeze season dates, which pipes freeze first, Denver Water and Red Cross tips, and how to thaw a pipe without a torch. - [How to choose a plumber in Denver](https://denverplumberpros.com/resources/how-to-choose-plumber-denver/): How to vet a Denver plumber: look up a Colorado license, confirm city licensing, compare written estimates and spot the scam signs the FTC warns about. - [How much does a plumber cost in Denver?](https://denverplumberpros.com/resources/plumber-cost-denver/): What plumbers charge in Denver in 2026: hourly rates, service call fees, drain, water heater, sewer and slab leak price ranges, and how to read a quote. ## Legal - [Legal notice](https://denverplumberpros.com/legal-notice/) - [Privacy policy](https://denverplumberpros.com/privacy/)