Cook's Plumbing LLC
Licensed plumber in Seattle, Washington
Cook's Plumbing LLC holds Washington L&I licence COOKSPL781N6, active, licensed since 26 Aug 2022, rated 4.7 from 14 Google reviews. No contractor's bond on the board record. No complaints on the Washington L&I record.
Report card
- Licence activeWashington L&I #COOKSPL781N6, Residential. Issued 26 Aug 2022, expires 6 Oct 2028.
- Licensed 4 yrsSince 26 Aug 2022.
- No bond on recordThe board shows no active contractor's bond.
- Liability insuredState National Ins Co Inc, $1,000,000, valid to 25 Sep 2027.
- No complaintsNone on the Washington L&I record.Washington L&I record
Checked against the Washington State Department of Labor & Industries (L&I) register on 4 Nov 2026.
Google reviews
4.7(14 reviews)Nichole Gray★★★★★ 3 weeks agoView on Google
Frank quickly and efficiently installed a home water filtration system on our main line and we learned a lot from him while he did it. It was a very pleasant experience and I am so pleased to once again love our tap and shower water. Super knowledgeable and efficient So I highly recommend Cook’s plumbing.
Alicia Delgadillo★★★★★ 2 weeks agoView on Google
Definitely recommend Frank for any plumbing needs. He's quick to respond and was over the next day to fix a pipe in the kitchen. He is extremely knowledgeable about his profession and explained what needed to be done. Also noticed that the previous owner had installed the wrong wiring for the dishwasher. Which could potentially cause a fire. This is something I would've never known and can't thank you enough for prev…
Rodiza Tumala★★★★★ 2 weeks agoView on Google
Frank was great to work with…friendly, professional, and helpful. I had an excellent experience with Cook’s Plumbing LLC and would gladly recommend them!
Dolores Simpson★★★★★ a year agoView on Google
Copper plumbing did an excellent job fixing my outside faucet leak. Frank is very professional, focused and knowledgeable on plumbing issues. His cost is very reasonable. If I have any future plumbing issues I will definitely call Cooper Plumbing. Thank you Frank for a great job
msyron00★★★★★ a year agoView on Google
Just wanted to say that Frank Cook at Cook’s plumbing has been a lifesaver for me. I travel a lot for work and he’s been able to resolve problems for me in short periods of time is nothing less than a lifesaver for somebody like me. I Recommend that you give him a try.
Read all 14 reviews on Google Reviews and photos from Google, 4 Nov 2026.
Why it ranks #23 of 65 plumbers in Seattle
Score 55.9 / 100. Claiming this listing or using Theo never changes it. How we rank
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