New Plumbing Businesses in Washington
6 new plumbing businesses registered in Washington in the last 30 days. Data through Oct 2, 2026, sourced from public Washington Secretary of State records.
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Browse Plumbing by city
PIPED-UP PLUMBING LLC
SpokaneLLC
Filed Oct 2, 2026
KENNYDALE PLUMBING LLC
RentonLLC
Filed Oct 1, 2026
SELBY PLUMBING & MECHNCL LLC
SheltonLLC
Filed Sep 22, 2026
FLASH GORDON PLUMBING & HTG
BellinghamCORP
Filed Sep 15, 2026
WAXMAN FAMILY PLUMBING
Black DiamondLLC
Filed Sep 15, 2026
VIKING PLUMBING & SEWER LLC
EverettLLC
Filed Sep 14, 2026
About starting a plumbing business in Washington
New Washington plumbing businesses must register with the Department of State and obtain any required local business licenses or trade certifications. Most operators register as LLCs for personal liability protection. Filings on this page reflect the prior 30 days of new entities classified as plumbing from the public Washington Secretary of State filings feed. They have not been verified or contacted by Ruunly.