Compare bids from licensed Colorado plumbing contractors
From water heater replacement to whole-home repipes and new construction rough-in, Sullix connects you with licensed Colorado plumbers and protects your payment in escrow until milestones complete.
What Sullix-vetted plumbing crews handle
Common scopes covered by Colorado contractors quoting on Sullix. Post once and receive competitive bids from verified pros in your area.
Water heaters & tankless conversions
Standard tank, hybrid heat pump, and tankless conversions sized for Colorado altitude and gas-line capacity.
Repipes & service line work
Galvanized and polybutylene replacements, PEX repipes, and trenchless sewer line repair across the Front Range.
New construction rough-in
Full plumbing rough-in for additions and ground-up builds, including coordination with framing, HVAC, and inspection.
Why hire plumbing contractors through Sullix
Verified license & insurance
Every contractor's Colorado license and liability insurance is checked at onboarding and re-validated monthly.
Milestone-based escrow
Payments stay in escrow and release as milestones complete — no large upfront deposits, no "pay everything before work starts."
Documented scope & change orders
Every bid, contract, and change order is timestamped and stored in your project workspace — clean documentation if anything goes sideways.
Frequently asked questions
How much does it cost to replace a water heater in Colorado?
A standard 50-gallon gas tank water heater installed runs $1,800–$3,200 in Colorado. Tankless conversions average $4,500–$7,500 due to gas-line upsizing and venting changes. Heat-pump water heaters land between $3,500 and $6,000.
Is a permit required to replace a water heater?
Most Colorado jurisdictions require a plumbing permit for water heater replacement. A licensed plumber will pull the permit and schedule inspection so the install is documented and warrantied.
What's the typical cost of a sewer line repair?
Trenchless sewer repair typically runs $4,000–$10,000 depending on length and depth. Full traditional excavation and replacement can range from $7,000 to $25,000+ in older Denver and Boulder neighborhoods.