Install a Water Heater Cost in Castle Rock, CO in 2026
Most Install a Water Heater projects in Castle Rock, CO cost between $375 and $7,500. The typical price is $1,800.
Tank water heater at the low end, tankless with gas line and venting changes at the high end.
Labour and materials in Castle Rock run about 7% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
What drives the price
- Accessible fixture swap versus opening walls or slab
- Pipe material — copper, PEX or cast iron replacement
- Emergency versus scheduled work
- Permit and inspection requirements
Usually included
- Licensed plumber labour
- Pipe, fittings and standard fixtures
Usually extra
- Drywall and finish repair
- Fixtures you supply
- Municipal tap or sewer connection fees
Plumbers in Castle Rock, CO
Businesses listed on Google near Castle Rock, CO. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Nytech Heating, Cooling, and Plumbing
4.9(3,292 reviews)
970 Park St, Castle Rock, CO 80109
Patriot Pros Plumbing, Heating, Air & Electric
4.7(1,823 reviews)
701 Park St, Castle Rock, CO 80109
Affordable Plumber CO LLC
5.0(501 reviews)
1159 Preble Ct, Castle Rock, CO 80104
Allen & Sons Plumbing and Heating
4.9(432 reviews)
834 S Perry St, Castle Rock, CO 80104
Allen Service
4.9(410 reviews)
425 Wilcox St Ste 160, Castle Rock, CO 80104
Affordable Plumbing Heat and Electrical
4.6(394 reviews)
385 Park Ct, Castle Rock, CO 80109