Updated: Jul 20, 2026
Location
Address
18606 52ND AVE W, Lynnwood, WA, 98037
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Optimal Backflow Plumber
Optimal Backflow LLC, 18606-52 Nd Ave W, Lynnwood, WA (Employee: Sean No) holds a Plumbing Contractor, Plumbing Contractor license according to the Washington license board.
Their BuildZoom score of 94 ranks in the top 24% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Optimal Backflow LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Optimal Backflow LLC Services
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Optimal Backflow LLC Contact Information
Phone Number: (206) 569-8603
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Address: 18606 52ND AVE W, Lynnwood, WA 98037
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Verified License
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Optimal Backflow LLC License info
Verified License
| License # | OPTIMBL743JC |
| Status | Active |
| State | Washington |
| Type | Plumbing Contractor, Plumbing Contractor |
| Date Issued | 04-06-2026 |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Optimal Backflow LLC at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Insured
| Insurer | United Financial Casualty Comp |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Nationwide Mutual Ins Co |
| Bond Value | $6,000 |
Optimal Backflow LLC Employees
SN
Sean No
Partner/Member