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G Keystone Inc. logoG KeystonePlumbing Co.Call

Licensed & bonded · Los Angeles

Plumbing built topass inspectionand outlast the build.

G Keystone Inc. handles residential and commercial plumbing across Los Angeles — from ground-up construction and additions to repipes, repairs and finish installation.

Call (818) 279-5181Request a quote
Residential
Homes, ADUs & additions
Commercial
Kitchens, restrooms, TI
New builds
Underground to finish
Finished bathroom by G Keystone Inc. with glass walk-in shower, matte black fixtures and quartz-top vanity

Who we are

A plumbing company that treats every property like a permanent record.

G Keystone Inc. is a licensed and bonded plumbing company specializing in high-quality residential and commercial plumbing services. We handle everything from new construction and additions to finishing and repairs.

Whether you're building a new property or maintaining an existing one, we're committed to reliable, professional solutions tailored to your needs — with clean workmanship behind the walls and in front of them.

More about our approach

What we do

Four disciplines, one crew, no handoffs.

All services

Why G Keystone

The difference shows up two years after the job, not two days.

  • Licensed & bonded

    A registered plumbing contractor with documentation available before work begins — no improvised crews, no guesswork.

  • Build-phase experience

    We work from underground and rough-in through inspection and finish trim, on schedule with your other trades.

  • Repairs done at the cause

    We diagnose the real source of a leak or blockage instead of patching the symptom and returning next season.

  • Straight answers on scope

    Clear explanation of what needs doing, what can wait, and what it costs — before anyone opens a wall.

Recent work

Rough-in to finish, photographed on site.

Full gallery
  • Completed residential bathroom with tiled walk-in shower, toilet and vanity installed by G Keystone Inc.
  • New kitchen with quartz counters and undermount sink plumbed and connected.
  • Bathroom rough-in plumbing with drain, waste, vent and supply lines in an open framed wall.
  • Outdoor kitchen island with stainless undermount sink and pull-down faucet.
  • Exterior wall-mounted tankless water heater with copper supply lines and gas connection.
  • Before and after of a bathroom shower: open framing on the left, finished glass and tile shower on the right.

Client feedback

Trusted by Los Angeles homeowners and businesses.

Every review below is a verified Google review left by an actual G Keystone Inc. customer.

  • Great experience! I just had my water heater replaced and everything went smoothly. He was on time, professional, and did a clean installation. He also replaced my molded baseboard and did an excellent job. Very happy with the service and highly recommend!

    Nanor GeragosianWater heater replacement · Google review

  • Hovik was very responsive and quick and after calling four different places he gave me the fairest price. Him and his crew completed my job in Los Angeles extremely quickly. I would totally recommend them!

    Steve AGeneral plumbing · Los Angeles · Google review

  • Hovik is professional and honest. We own a four-plex where the top unit started to leak and with one call Hovik came and took care of the problem. Pays attention to detail and very honest. Highly recommended!

    Jack SorfazianFour-plex leak repair · Los Angeles · Google review
More on testimonials

Questions

Answers before you call.

All FAQs
  • What areas do you serve?

    We serve Los Angeles and nearby areas, including residential neighborhoods, new-construction sites and commercial properties throughout the region. Call us to confirm coverage for your address.

  • Are you licensed and bonded?

    Yes. G Keystone Inc. is a licensed and bonded plumbing company. License documentation is available on request before any work begins.

  • Do you work with general contractors and builders?

    Regularly. We handle underground, rough-in and finish phases on new construction and additions, and we coordinate our scheduling around framing, drywall and inspection milestones.

  • How do I get a quote?

    Call or text (818) 279-5181, or send the request form on our contact page with a short description of the project. For larger scopes we schedule a walkthrough before quoting.

Service area

Working across Los Angeles and nearby areas.

From hillside remodels to commercial build-outs, our crews travel throughout the greater Los Angeles area. Not sure if you're in range? Call and ask — we'll tell you straight.

  • Los Angeles
  • San Fernando Valley
  • Glendale
  • Burbank
  • Pasadena
  • Santa Clarita
  • Westside
  • South Bay

Request a quote

Tell us what's going on and we'll get back to you.

Sending opens your email app with the details filled in, addressed to Gkeystoneinc@gmail.com. Prefer to talk? Call (818) 279-5181.

Next step

Need a plumber who shows up and finishes clean?

Tell us about the property and the problem. We'll give you a straight answer on scope, timing and cost.

(818) 279-5181Request a quote