Plumbing · San Francisco, CA

Plumbing Repair Costs

Water heaters, fixtures, supply lines, and drains. Estimates below are localized to labor and material rates in the San Francisco, CA area (zip prefix 941). Enter your exact zip to refine.

Showing local estimates for San Francisco, CA (94102)

Major$4,700 – $17,600

Galvanized steel supply pipes

Repipe with copper or PEX (whole house)

Major$4,700 – $17,600

Polybutylene (PB) supply pipes

Repipe with copper or PEX (whole house)

Major$5,250 – $13,975

Sewer line bellied/offset joints

Trenchless sewer line repair

Major$4,725 – $14,175

Main sewer line - full replacement

Replace the full lateral from house to main

Major$1,175 – $5,825

Waste/drain pipe (cast iron) corroded

Replace corroded cast iron sections

Major$1,775 – $4,725

Main sewer line - spot repair

Excavate and repair a localized break, offset, or root intrusion

Major$1,350 – $2,825

Water heater - end of life

Replace water heater (40-50 gal tank)

Moderate$575 – $1,750

Correcting unpermitted/improper plumbing connections

Bring non-code plumbing connections to code, including permit and re-inspection

Moderate$350 – $1,425

Washing machine drain standpipe upsizing

Replace or upsize laundry standpipe and drain line to 2 inch code

Major$175 – $1,175

Visible pipe leaks

Repair pipe leaks

Moderate$175 – $700

No backflow preventer

Install backflow prevention device

Minor$225 – $700

Missing cleanout access

Install sewer cleanout access

Moderate$175 – $575

Water pressure too high (>80 PSI)

Install or replace pressure reducing valve

Minor$125 – $600

Slow drains/drain buildup

Snake or hydro-jet drain lines

Moderate$125 – $475

Shut-off valves corroded/not working

Replace shut-off valves

Minor$125 – $425

Improper pipe support correction

Correct improper pipe hangers/strapping (e.g. pipe hung with electrical wire) with code-compliant hangers/straps

Minor$125 – $425

Shower/faucet hot water control valve or cartridge

Repair or replace shower or faucet cartridge/valve controlling hot water

Minor$75 – $400

Faucets leaking/need servicing

Repair or replace faucets (each)

Minor$75 – $350

No expansion tank on water heater

Install thermal expansion tank

Minor$100 – $350

Hose bibs leaking or not frost-proof

Replace with frost-proof hose bibs

Minor$50 – $350

Toilet running/leaking at base

Repair or replace toilet components

Minor$125 – $375

Tub drain cleaning / clog clearing

Snake or clear a slow or blocked bathtub drain

Minor$125 – $300

Water heater - sediment buildup

Flush water heater

Minor$175 – $300

Sink stopper assembly - missing/inoperable

Replace bathroom sink pop-up drain stopper/assembly, including plumber service call

Major$25 – $125

Water heater - no TPR valve/extension

Install TPR valve discharge pipe

Minor$25 – $50

Water heater - no seismic strapping

Install earthquake straps (where req'd)

Minor$0 – $25

Supply line connectors (braided/rubber)

Replace with braided stainless supply lines

Minor$0 – $0

Noisy gas meter - utility service call

Utility inspects/services or replaces a noisy gas meter; not a homeowner repair

About These Estimates

These estimates are based on national averages adjusted for local labor and material costs using BLS and BEA data. Actual costs vary based on specific conditions, contractor availability, and project complexity. Always obtain multiple quotes from licensed local contractors.