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Mill Creek Mechanical LLC

Registered with Washington L&I Active
MILLCCM763CK · Plumbing Contractor · renews March 2028

From the state register, October 17, 2026. Confirm on L&I, which also shows their bond and insurance.

(509) 527-0660Phone on their state registration Reviews on GoogleOpens Google Maps
Journey levelSpecialty on the register

Before you hire them

1Check the name on your estimate matches Mill Creek Mechanical LLC and registration MILLCCM763CK.
2Ask whether the job needs a permit, and who pulls it.
3Get a written estimate first. No big cash deposits.
Ask this pro to call me

Free. Goes to one pro registered with Washington L&I.

Referral service, not a contractor. Privacy.

"Get a pro to call me" goes to Mill Creek Mechanical LLC if they can take it; if not, to one other registered plumber near Walla Walla.

Other registered plumbers in Walla Walla

Compound PlumbingCOMPOP*793NGSnake River Plumbing IncSNAKERP765NKArmstrong Plmbng & MechanicalARMSTPM754KWB & W Plumbing LLCBWPLUWP743LDPeak Plumbing Solutions LLCPEAKPPS776NHClean Plumbing LLCCLEANPL799MF

All plumbers in Walla Walla

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