Pioneer Plumbing & Heating

Licensed general contractor, plumber in Seattle, Washington

Washington L&I licence active4.4(88 reviews)

Pioneer Plumbing & Heating holds Washington L&I licence PIONEPH797NE, active, licensed since 9 Aug 2021, rated 4.4 from 88 Google reviews. Bonded for $6,000 with Federated Mutual Ins Co. Washington L&I record: 0 open lawsuits against the bond, 3 infractions, citations or debarments, 0 resolved.

64score

Read before hiring: 3 infractions, citations or debarments on the Washington L&I record. Details below, from the board's own record.

Report card

  • Licence activeWashington L&I #PIONEPH797NE, Journey Level. Issued 9 Aug 2021, expires 9 Aug 2027.
  • Licensed 40 yrsSince 12 Sep 1986.
  • Bonded$6,000 with Federated Mutual Ins Co, since 1 Jul 2021. Washington sets the bond by licence type ($30,000 for a general contractor, $15,000 for a specialty contractor, $4,000 for an electrical contractor), so the amount shows the kind of licence, not the size or quality of the business.
  • Liability insuredContinental Western Ins Co, $1,000,000, valid to 19 Sep 2027.
  • Complaints on record0 open lawsuits against the bond, 3 infractions, citations or debarments, 0 resolved.Details on the Washington L&I record
  • 23 building permits since 2020Naming this business as the contractor (City of Bellevue; City of Seattle), most recently 23 Oct 2026.

Checked against the Washington State Department of Labor & Industries (L&I) register on 4 Nov 2026.

Google reviews

4.4(88 reviews)
Norm Smith★★★★★ 2 weeks agoView on Google

I have used Pioneer Plumbing many times over the past several years. I have always received excellant service and value from their work. They have done everything from replacing a faucet to re-plumbing an entire house and it has always been a great experience. And their plumbers are really nice people! I highly recomend Pioneer Plumbing for all your plumbing and sewer needs.

Katherine Johnson★★★★★ 2 months agoView on Google

I have been a loyal customer since the late 1980s, and this company continues to exceed my expectations. We recently had a complicated plumbing issue, and Stephen, the owner, sent Justin out right away. Justin was knowledgeable, professional, and quickly understood exactly what needed to be done. I truly appreciated that Stephen made sure we were taken care of the same day—and that he personally checked back in afte…

Ming Chen★★★★★ 2 months agoView on Google

Was able to schedule service call within 2 business days. Plumber Carl arrived on time and fixed our problem within an hour. All employees we dealt with over the phone and in person were friendly and efficient. We've used Pioneer Plumbing several times in the past and have been quite satisfied every time.

James T.★★★★★ in the last weekView on Google

We just had another wonderful experience with Pioneer Plumbing! My wife fortunately noticed our old Water Heater leaking, as it seeped under the closet door, before it had a chance to completely fail and cause a major mess. Aaron immediately returned my after hours voicemail over the 4th of July Holiday weekend. I informed Aaron that I am being admitted into UW Hospital in just 2-days for Leukemia treatment, so we re…

Vincent Lam★★★★★ 2 months agoView on Google

Pioneer helped me resolve a leaking pipe that caused damage in multiple areas of the house. They came out multiple times to remove the water heater so that the remediation company can remove the damage areas and then returning to reinstall it when the work was done. They were punctual and showed up on time and did the work efficiently.

Read all 88 reviews on Google Reviews and photos from Google, 4 Nov 2026.

Recent permits

Building permits pulled under licence #PIONEPH797NE, from City of Bellevue; City of Seattle open data, which names contractors up to 2 Nov 2026. Locations are shown to ZIP code only.

  • 23 Oct 2026 · Commercial Trade · ZIP 98119We are going to uninstall an autoclave and install a new one
  • 27 Jul 2026 · Plumbing No Plan Review · ZIP 98005A Single Family Residential Alteration to Existing Structure None Project Involving (1 Dishwasher, 1 Kitchen Sink, 1 Ice Maker), 26114732
  • 22 Jul 2026 · Plumbing Plan Review · ZIP 98007Providing new seismic loops and bellows in existing domestic cold water piping and rain leader piping. Work occurs at an outdoor building connection bridge...
  • 13 Jul 2026 · Plumbing No Plan Review · ZIP 98008A Single Family Residential Alteration to Existing Structure None Project Involving (2 Dishwasher, 1 Kitchen Sink, 1 Ice Maker)
  • 13 Jul 2026 · Mechanical No Plan Review · ZIP 98008A Single Family Residential Alteration to Existing Structure None Project Involving (1 Stove or Cooktop)

Why it ranks #522 of 2,055 general contractors in Seattle

Years licensed weight 30100%
Complaint record weight 250%
Bond weight 10100%
Google reviews weight 3568%

Score 63.8 / 100. Claiming this listing or using Theo never changes it. How we rank

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