Cost guides
California plumbing cost guides
Low, typical, and high ranges, permits, timing, and the questions to ask.
Water heater replacement
$1,600 – $4,500
Last updated: 2026-09-15
Tankless water heater installation
$3,500 – $8,500
Last updated: 2026-09-15
Drain cleaning
$150 – $900
Last updated: 2026-09-15
Main sewer line repair & replacement
$1,500 – $25,000
Last updated: 2026-09-15
Slab leak detection & repair
$1,500 – $8,000
Last updated: 2026-09-15
Whole-house repipe (copper vs. PEX)
$6,000 – $25,000
Last updated: 2026-09-15
Toilet repair & replacement
$150 – $1,200
Last updated: 2026-09-15
Faucet, sink & shower valve
$200 – $1,500
Last updated: 2026-09-15
Garbage disposal installation
$250 – $900
Last updated: 2026-09-15
Gas line installation & repair
$400 – $5,000
Last updated: 2026-09-15
Water pressure regulator
$350 – $1,200
Last updated: 2026-09-15
Leak detection services
$200 – $1,000
Last updated: 2026-09-15
Backflow device testing & replacement
$75 – $3,000
Last updated: 2026-09-15
Sump pump installation
$600 – $3,000
Last updated: 2026-09-15
Water softener & filtration
$800 – $6,000
Last updated: 2026-09-15
Earthquake gas shutoff valve
$350 – $1,100
Last updated: 2026-09-15
Commercial grease trap cleaning & installation
$300 – $15,000
Last updated: 2026-09-15
Emergency after-hours rates
$250 – $900
Last updated: 2026-09-15