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Protocol Plumbing & Sewer

Protocol Plumbing & Sewer is a plumber in Marysville, WA. Its license PROTOPS794PG is active on the issuer's file, checked Nov 2, 2026.

Listing details

What the license board says

Status
License active
License
US-WA-LNI PROTOPS794PG
Classes
  • Plumbing contractor, residential
Expires
Oct 5, 2027
Checked
Nov 2, 2026, against the WA L&I contractor licenses
Open the issuer's record

The business

What they do
Plumber
Where
Marysville, WA
Serves
Washington
Phone
(425) 743-4940
Listing updated
Oct 24, 2026
Listing
Built from public records. Not claimed yet.

From the government record

  • Licensed Yes US-WA-LNI license PROTOPS794PG is Active, expires 2027-10-05.

    Checked Nov 2, 2026 from the WA L&I contractor licenses · view record

  • Bonded Not in the record The WA L&I contractor licenses does not say whether the business is bonded.

    Checked Nov 2, 2026 from the WA L&I contractor licenses · view record

  • Insured Not in the record The WA L&I contractor licenses does not say whether the business is insured.

    Checked Nov 2, 2026 from the WA L&I contractor licenses · view record

More plumbers in Marysville

  1. Adam's Plumbing & Fire Systems

    ActiveConstruction contractor, general

    Marysville, WA

    Proof for Adam's Plumbing & Fire Systems
    License
    L&I ADAMSPF858JA
    Issuer
    Washington State L&I
    Status
    Active
    Class
    Construction contractor, general
    Expires
    Apr 1, 2027
    Checked
    Nov 2, 2026
    Where
    Marysville, WA · serves Washington
    Phone
    (360) 659-2153
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → Washington State L&I record
  2. Adb Plumbing, LLC

    ActivePlumbing contractor, journey level

    Marysville, WA

    Proof for Adb Plumbing, LLC
    License
    L&I ADBPLPL799RG
    Issuer
    Washington State L&I
    Status
    Active
    Class
    Plumbing contractor, journey level
    Expires
    Feb 2, 2028
    Checked
    Nov 2, 2026
    Where
    Marysville, WA · serves Washington
    Phone
    (425) 343-6177
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → Washington State L&I record
  3. Advance Testing & Service Inc

    ActivePlumbing contractor, backflow specialty

    Marysville, WA

    Proof for Advance Testing & Service Inc
    License
    L&I ADVANTS782PL
    Issuer
    Washington State L&I
    Status
    Active
    Class
    Plumbing contractor, backflow specialty
    Expires
    Oct 10, 2028
    Checked
    Nov 2, 2026
    Where
    Marysville, WA · serves Washington
    Phone
    (425) 337-4175
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → Washington State L&I record
  4. Bates Plumbing Inc

    ActivePlumbing contractor, residential

    Marysville, WA

    Proof for Bates Plumbing Inc
    License
    L&I BATESPI793RG
    Issuer
    Washington State L&I
    Status
    Active
    Class
    Plumbing contractor, residential
    Expires
    Dec 12, 2027
    Checked
    Nov 2, 2026
    Where
    Marysville, WA · serves Washington
    Phone
    (425) 442-3490
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → Washington State L&I record
  5. Brown's Plumbing & Pumps Inc

    ActiveElectrical contractor, domestic pump

    Marysville, WA

    Proof for Brown's Plumbing & Pumps Inc
    License
    L&I BROWNPP743BM
    Issuer
    Washington State L&I
    Status
    Active
    Class
    Electrical contractor, domestic pump
    Expires
    Jan 23, 2028
    Checked
    Nov 2, 2026
    Where
    Marysville, WA · serves Washington
    Phone
    (360) 659-1002
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → Washington State L&I record
All plumbers in Marysville, WA →

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Listing updated Oct 24, 2026. Hide an address, correct or remove this listing.

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