Residential and Commercial Plumber in Bellevue, WA


Goldstar Plumbing is a family-owned, veteran-operated plumbing company serving homeowners and businesses throughout Bellevue, Washington. Whether you own a mid-century home near Bridle Trails, manage a condo tower downtown, or run a storefront along Crossroads, we bring the same level of care to every job: licensed, insured technicians, honest pricing, and workmanship we stand behind.

We handle plumbing repair, installation, water heaters (including tankless units), sump pumps, leak detection, drain cleaning, water line repair, hydro jetting, and trenchless sewer line replacement, all with 24/7 emergency availability when something goes wrong at the worst possible time.

What Makes Bellevue Plumbing Different

Bellevue’s plumbing challenges are not generic. The city spans everything from original 1950s and 1960s homes in Eastgate and Lake Hills, where galvanized supply lines and aging cast iron drains are still common, to newer high-density construction downtown and around the Spring District, where PEX and modern commercial-grade fixtures dominate but high-rise water pressure and backflow requirements add complexity.

King County’s wet season, typically October through April, saturates the clay-heavy soil found throughout much of east King County, which raises groundwater levels and puts added strain on sump pumps and foundation drainage, particularly in lower-lying areas near Mercer Slough and the Lake Washington shoreline. Homes in Newport Hills and West Bellevue neighborhoods close to the water often deal with hydrostatic pressure issues that inland neighborhoods rarely see.

On the commercial side, Bellevue’s growth around the Wilburton and Bel-Red corridors has brought a wave of mixed-use and office construction, which means more commercial plumbing work tied to City of Bellevue permitting, grease trap compliance for restaurants, and backflow prevention testing required for many commercial accounts. We stay current on these local code requirements so your project passes inspection the first time.

Underground drain line

Our Plumbing Services for Bellevue Homes and Businesses


Repairing a sink trap

Residential and Commercial Plumbing Repair

The most common repair calls we get in Bellevue involve corroded galvanized piping in older homes near Enatai and West Bellevue, along with worn-out shutoff valves and water-damaged fixtures in units that have gone years without a plumbing inspection. We diagnose the actual cause, not just the symptom, before recommending a fix.

Emergency Plumbing Services

Plumbing emergencies in Bellevue do not wait for business hours, and neither do we. We respond around the clock to burst pipes, overflowing fixtures, sewer backups, and failed water heaters across Bellevue and nearby Redmond, Kirkland, and Issaquah.

Water leak near a water heater
Water heater and building mechanical equipment

Water Heater Installation, Including Tankless Systems

Many Bellevue homes built before current energy codes still run on aging standard tank water heaters. We install standard, hybrid, and tankless units sized correctly for your household or commercial demand, and we are familiar with the permitting Bellevue requires for water heater replacements.

Sump Pump Installation and Repair

Given the clay soil and seasonal groundwater common around Mercer Slough, Lake Hills, and the Phantom Lake area, a properly sized and maintained sump pump is often the difference between a dry basement and a flooded one during a heavy Pacific Northwest storm.

Leak Detection and Repair

Slab leaks and slow pinhole leaks in older copper lines are a recurring issue in Bellevue homes built in the 1960s and 1970s. We use acoustic and thermal leak detection tools to pinpoint the source without tearing up more of your property than necessary.

Clogged Drain Repair

From grease-related clogs in Crossroads-area restaurant kitchens to tree root intrusion in residential sewer laterals near the maple-lined streets of Woodridge and Somerset, we clear drains fast and identify whether a recurring clog points to a bigger sewer line issue.

Joining an underground water pipe

Water Service Line Repair and Replacement

Many original water service lines in Bellevue’s older neighborhoods are decades past their intended lifespan. We repair and replace service lines with minimal disruption to your landscaping or driveway.

Hydro Jetting and Sewer Line Camera Inspections

We use high-pressure hydro jetting to clear grease, roots, and mineral buildup from residential and commercial sewer lines, and we follow up with camera inspections so you know exactly what is happening underground before deciding on a repair.

Trenchless Sewer Line Replacement and Rehabilitation

For failing sewer lines under mature landscaping or hardscape common in established Bellevue neighborhoods like Bridle Trails and West Lake Sammamish, pipe bursting and cured-in-place pipe lining let us restore the line without excavating your entire yard.

Commercial Plumbing for Bellevue Businesses


Bellevue’s commercial corridor, from the office towers downtown to the retail and restaurant spaces along Bellevue Way and Factoria Boulevard, depends on plumbing systems that cannot afford unplanned downtime. We work with property managers, restaurant owners, and office building operators on grease trap maintenance, backflow prevention testing, water heater replacement for multi-unit buildings, and emergency repairs scheduled around your business hours whenever possible.

What to Expect When You Call Goldstar Plumbing

When you call us for plumbing help in Bellevue, you will reach a real person who gathers the details of your issue, provides a clear appointment window, and dispatches a licensed, insured technician who explains the problem, gives you an upfront price before any work begins, and completes the repair or installation cleanly.

  1. Call or request service online and describe the issue
  2. Receive a scheduled appointment window, with same-day and emergency options available
  3. Get an upfront, written price before work starts
  4. Technician completes the repair or installation and tests the fix
  5. Follow-up support if anything needs attention after the visit
Shutoff valve and water line repair

Why Bellevue Homeowners and Businesses Choose Goldstar Plumbing

  • Licensed, insured, and experienced plumbers
  • Transparent, upfront pricing with a satisfaction guarantee
  • 24/7 emergency availability across Bellevue and King County
  • Family-owned and veteran-operated
  • Residential and commercial expertise, from single-family homes to office buildings
Fitting a replacement plumbing component

Frequently Asked Questions About Plumbing in Bellevue


Do you offer emergency plumbing service in Bellevue?

Yes, we provide 24/7 emergency plumbing service throughout Bellevue and surrounding King County communities for issues like burst pipes, sewer backups, and failed water heaters. Call (425) 300-9900 any time, day or night.

Do you work on both homes and commercial buildings in Bellevue?

Yes, we serve both residential customers and commercial accounts in Bellevue, including office buildings, restaurants, and retail spaces that need grease trap service, backflow testing, or larger-scale installations.

Why do Bellevue homes near the water have more sump pump issues?

Homes near Lake Washington, Lake Sammamish, and Mercer Slough sit on clay-heavy soil with a higher water table, which raises hydrostatic pressure against foundations during the rainy season and makes a properly functioning sump pump essential for keeping basements and crawl spaces dry.

How do I know if I need a tankless water heater instead of a standard tank?

A tankless water heater makes the most sense if your household regularly runs out of hot water, you want to free up closet or utility space, or you are replacing a unit in a smaller Bellevue condo where storage is limited; we can evaluate your usage and plumbing setup to recommend the right fit.

Are you licensed and insured to work in Bellevue?

Yes, our plumbers are licensed and insured to perform residential and commercial plumbing work throughout Bellevue and the surrounding area.

Serving Bellevue and the Surrounding Eastside


In addition to Bellevue neighborhoods like Downtown, Crossroads, Factoria, Somerset, Newport Hills, Bridle Trails, Eastgate, Lake Hills, and West Bellevue, we also serve nearby Eastside communities including Kirkland, Redmond, Issaquah, Sammamish, and Mercer Island.

Ready to Fix Your Bellevue Plumbing Issue?

Whether it is a dripping faucet, a flooded crawl space, or a commercial backflow test you need scheduled before an inspection deadline, our team is ready to help. Call now or request a free estimate online.

Tankless water heater service