# Protocol Plumbing & Sewer Protocol Plumbing & Sewer is listed in Marysville, WA, United States. Confirm current details with the business and the licensing agency. Protocol Plumbing & Sewer appears on the Washington State Department of Labor & Industries register (PLUMBING CONTRACTOR), with an address in Marysville, WA. ## Details - Address: 1624 GROVE ST STE D2, Marysville, WA, 98270, United States - Phone: [14257434940]() - Website: [www.protocolplumbing.com]() - Source licence number: PROTOPS794PG - Licensing agency: Washington State Department of Labor & Industries - Source of listing data: Washington State Department of Labor & Industries, https://data.wa.gov/resource/m8qx-ubtq.json?$where=upper(contractorlicensetypecodedesc)%20like%20%27%25PLUMB%25%27%20OR%20upper(specialtycode1desc)%20like%20%27%25PLUMB%25%27%20OR%20upper(specialtycode2desc)%20like%20%27%25PLUMB%25%27&$limit=10000, fetched 2026-11-10. Website, map pin from Overture Maps Places (CDLA-Permissive-2.0, release 2026-10-21.0). ## Questions ### Where is Protocol Plumbing & Sewer? Protocol Plumbing & Sewer is at 1624 GROVE ST STE D2, Marysville, WA, 98270, United States. ### How do I contact Protocol Plumbing & Sewer? To contact Protocol Plumbing & Sewer, call 14257434940 or visit https://www.protocolplumbing.com. ## Source From [Public licence registers and member directories](https://data.wa.gov/resource/m8qx-ubtq.json?$where=upper(contractorlicensetypecodedesc)%20like%20%27%25PLUMB%25%27%20OR%20upper(specialtycode1desc)%20like%20%27%25PLUMB%25%27%20OR%20upper(specialtycode2desc)%20like%20%27%25PLUMB%25%27&$limit=10000), license Mixed source terms: Washington PDDL; Colorado Public Domain; Open Government Licence – Toronto; other public registers: no reuse licence stated; member directories: copyright, no open reuse licence identified, checked 2026-11-11. Last updated November 11, 2026. ## Links - This plumber on the [web page]() - [Plumbing repair in Marysville]() - [More plumbers in Marysville]()