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Major Plumbing Projects in Los Angeles

Big plumbing job? Get a real number, fast.

Whole-home repipes, sewer line replacement, slab leak detection, tankless water heaters, and main service upgrades — from licensed LA plumbers. We focus on the projects that matter.

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Typical LA project cost

$4,500 – $25,000

Real LA ranges based on common projects. Your actual quote will be tailored by a licensed pro to your home, scope, and finish level.

  • Job type (repipe, sewer, slab leak, tankless)
  • Home size and access
  • Material choice (copper vs. PEX)
  • Wall/floor restoration scope
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Sub-services & ranges

  • Whole-home repipe$4,500 – $15,000
  • Sewer line repair / replacement$3,500 – $25,000
  • Slab leak detection & repair$1,000 – $8,000
  • Tankless water heater install$3,500 – $7,500
  • Main water line replacement$3,000 – $12,000
  • Gas line work$2,000 – $8,000

Signs you may need this

  • Discolored water or low pressure throughout
  • Recurring leaks (especially pinhole)
  • Galvanized pipes (pre-1970s home)
  • Sewer line backups or tree-root issues
  • Wet spots on slab or warm floors
  • Hot water taking forever

What's included

  • Camera inspection (sewer/main line jobs)
  • Permit and city submittal
  • Pipe replacement with copper or PEX
  • Wall/floor patching included
  • Pressure testing and walkthrough
  • Workmanship + manufacturer warranty

Plumbing solutions for every LA home

Pick the project that fits your home — your matched pro will quote it specifically.

Whole-home repipe

$4,500 – $15,000

Sewer line repair / replacement

$3,500 – $25,000

Slab leak detection & repair

$1,000 – $8,000

Tankless water heater install

$3,500 – $7,500

Main water line replacement

$3,000 – $12,000

Gas line work

$2,000 – $8,000

Local LA expertise

Built for LA: galvanized pipes, slab leaks, and tree roots

Many LA homes built before 1970 still have galvanized steel pipes — they corrode from the inside, drop pressure, and fail in walls. Slab-leak prevalence is high in mid-century homes. Tree roots crack clay sewer lines in older neighborhoods. Our matched LA plumbers see this every week.

Plumbing reviews from LA homeowners

Reviews shown are illustrative until verified.

Slab leak. Stressful. Their licensed plumber gave me three real options and didn't try to scare me into the most expensive one. Refreshing.
Daniel T.Echo Park
Whole-home repipe. Fair number, licensed pro, done in under a week. I'd been quoted 30% more elsewhere.
Rob H.Studio City
My AC died on a 102° day. GoAffordably had a licensed installer at my door the next morning with three options and clear pricing. No upsell, no drama.
Maya R.Silver Lake
Financing through Hearth

Pay over time. Soft credit pull only.

Most matched pros offer financing through Hearth — 0% APR options for qualified buyers, monthly payments on projects up to $100K, and no prepayment penalty. Your matched pro will walk you through what you qualify for.

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Frequently asked questions

Plumbing-specific answers for LA homeowners.

Why homeowners trust GoAffordably

We verify every pro, stand behind every match, and never sell your info.

Licensed & insured

Every pro carries an active California state contractor license, general liability, and workers' comp. We verify before they go live.

100% satisfaction guarantee

We stand behind every match. If something feels off, we'll re-match you — no charge, no fuss.

Free estimates, no obligation

You're never billed for the estimate, and you're never obligated to hire. Compare, decide, and proceed when you're ready.

Local LA experts

Pros who know LA permitting, climate, HOAs, rebates (LADWP, SGIP), and neighborhoods.

Big plumbing job?

Get a real, fair number from a licensed LA plumber. Free estimate in ~60 seconds.

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