Cost of Repiping a Home in Southern California (2026 Guide)

Average repipe pricing for single-family homes in Newport Beach, OC, and the South Bay — broken down by material and home size.

Repipe pricing in SoCal has climbed steadily. Here's what to budget in 2026.

Average ranges (single-family, 2 bath): PEX $5,000–$9,500 · Copper Type L $9,000–$16,000 · add $1,500–$3,500 per extra bath.

What's included. Every supply line replaced, permits, inspection, drywall opening/patching, final pressure test.

PEX vs copper. Both carry 40–50 year warranties. PEX is faster, copper is rigid and time-tested.

Signs you need a repipe: 3+ pinhole leaks in 2 years, galvanized lines in a pre-1980 home, low pressure throughout, rust-colored water.

Call (949) 849-5776 for a free repipe estimate.