Trusted Plumbing, Heating & Air in Orange, CA

⭐ 4.9 Stars • 658 Google reviews • Serving Orange County since 1986

From Old Towne Orange to Serrano Heights, Coast Plumbing has served Orange County homeowners since 1986. Licensed, background-checked technicians, upfront pricing, and a guarantee on every plumbing, drain, and HVAC job in Orange.

Trusted Plumbing, Heating & Air in Orange, CA

⭐ 4.9 Stars • 665 Google reviews • Serving Orange County since 1986

Plumbing, Drain & HVAC Services in Orange

Licensed, background-checked technicians for every job — backed by upfront pricing and our 12-Point Guarantee on every residential call.

Emergency plumbing repair
Water heater repair and installation
Drain cleaning and hydro jetting
Sewer line repair and camera inspection
AC and furnace repair
Backflow testing and certification

Neighborhoods We Serve in Orange

We know the plumbing and HVAC history of these neighborhoods — the pipe types, the common failure points, and the age of the infrastructure — so you get faster diagnosis and the right fix the first time.

Old Towne Orange

Historic district with homes dating to the 1880s–1920s; original lead and galvanized pipes, undersized drain stacks, and aging sewer laterals are the norm — repiping consultations and sewer camera work are our most common calls here.

Orange Park Acres

Large-lot equestrian and rural residential properties where well systems, older septic transitions, and long supply runs require specialty diagnostics and pressure regulator service.

Villa Park Border / East Orange

1960s–1980s tract homes where cast iron drain corrosion and aging water heaters are reaching end-of-life — drain camera inspection and tank replacements are consistently in demand.

Friendly Hills

Hillside development with elevated lots where pressure fluctuations stress supply lines and pressure-reducing valves need regular inspection and replacement.

Serrano Heights

Newer planned community with high-efficiency HVAC systems and tankless water heaters requiring manufacturer-certified service for warranty compliance and peak performance.

Irvine Business Complex

High-density commercial and mixed-use buildings where grease interceptor service, backflow certification, and multi-zone HVAC repairs keep our commercial team on regular rotation.

Our 12-Point Guarantee

Every job we do is backed by our 12-Point Guarantee — licensed technicians, upfront pricing, respect for your home, and workmanship we stand behind. If it doesn't meet our standard, we make it right.

See the full 12-Point Guarantee