4.9 ★★★★★ 1,683 Google reviews

San Francisco, CA

Fast, Reliable Main Water Line Repairs

A damaged water line can quickly lead to low pressure, high bills, and serious property damage. When something's wrong with your main water supply, you need professional help—fast.

Complete Main Water Line Services

We use the latest diagnostic tools and repair techniques to find the issue quickly and fix it correctly—with transparent pricing and fast response times.

Leak Detection & Pipe Location

We use acoustic listening equipment and pressure testing to pinpoint your main line leak without unnecessary excavation.

Spot Repairs & Pipe Patching

When only a section of pipe is damaged, a targeted spot repair is faster and less expensive than full replacement—and we'll tell you honestly which you need.

Full Water Line Replacement

When a line is too corroded or damaged to repair, we replace it fully using copper or PEX—properly permitted and code-compliant.

Trenchless Water Line Repair

We minimize yard disruption using trenchless directional boring and pipe bursting techniques whenever site conditions allow.

Water Pressure Diagnostics

Low or inconsistent pressure throughout your home often points to a main line problem. We test and diagnose the source before recommending any repair.

Emergency Main Line Repair

A burst main line is a plumbing emergency. We dispatch fast, shut off the water safely, and restore service as quickly as possible.

24/7 Water Line Repairs

CALL NOW 415.333.0704

Signs You May Have a Main Line Problem

Main line problems can develop slowly or strike suddenly. Don't ignore these warning signs—early action prevents catastrophic water damage.

  • Soggy or unusually green patches in your yard
  • Low water pressure throughout the home
  • Unexplained spikes in your water bill
  • Discolored or rusty water from all faucets
  • Sound of running water when no fixtures are on
Schedule Water Line Service
Heise's Plumbing workers repairing a water and sewer line in San Francisco

Our Recent Jobs

Recent Water Line Projects in San Francisco, CA

San Francisco, CA

Heises Plumbing repaired two toilets in San Francisco, CA, replacing fill valves and flappers to stop running water. They also secured loose copper water lines...

View Job Details
Recent Water Line Projects in San Francisco, CA

San Francisco, CA

Heises Plumbing repaired a water line leak in a San Francisco, CA residence garage. They accessed the damaged piping, shut off and drained the water supply,...

View Job Details
Recent Water Line Projects in San Francisco, CA

San Francisco, CA

Heises Plumbing repaired a water line leak in a garage in San Francisco, CA. They shut off water, drained the system, and temporarily turned off heating to...

View Job Details
View All Completed Jobs

Areas We Serve

Request Service Today

Fill out the form below and we'll get back to you shortly.