Plumbing contractors in Walla Walla, WA

21 active plumbing contractors are registered with Washington L&I at a Walla Walla, WA address. 32 registrations are on record in all, including expired and other statuses.

By the numbers

Active registrations: 21
Registrations on record, all statuses: 32
Registered in the last 12 months: 3
Median years registered, active: 3
Suspension on record: 3
Complaint records matched: 1

Counts of L&I contractor registration records, computed October 8, 2026. Active means the state's record shows ACTIVE status. Years are counted from each registration's effective date.
Suspension on record: registrations with SUSPENDED status, plus active or re-licensed registrations that carry a suspension date.
Complaint records matched: contractors with at least one Attorney General consumer complaint record under the same business name and city. A complaint record is not a finding of wrongdoing.
Sources: L&I Contractor License Data - General andAttorney General Consumer Complaints. Seehow directory numbers are computed.

Longest registered

Alden Plumbing LLCRegistered since September 3, 2021
COMPOUND PLUMBINGRegistered since September 20, 2021
A-1 PLUMBNG & EMERGENCY ROOTERRegistered since October 4, 2021
CUTTING EDGE PLMB & MECH INCRegistered since October 4, 2021
ED'S PLUMBING LLCRegistered since November 22, 2021

Recently registered

B & W PLUMBING LLCRegistered on June 4, 2026
JA PLUMBING LLCRegistered on April 13, 2026
TOTAL COMF SL HTG CLG/PLB LLCRegistered on March 20, 2026
ARMSTRONG PLMBNG & MECHANICALRegistered on May 28, 2025
YOUNG'S HEATING & COOLING LLCRegistered on March 20, 2025

Active registrations, by the effective date on the state's record.

21 active registrations

Businesses by registered name and license number. Show all 32 registrations on record, including expired.

365 PLUMBING & DRAINACTIVE
License 365PLPD762QK · Registered 1 year
A-1 PLUMBNG & EMERGENCY ROOTERACTIVE
License 1PLUMPE791MW · Registered 5 years
ARMSTRONG PLMBNG & MECHANICALACTIVE
License ARMSTPM754KW · Registered 1 year
Alden Plumbing LLCACTIVE
License ALDENPL791MT · Registered 5 years
B & W PLUMBING LLCACTIVE
License BWPLUWP743LD · Registered less than 1 year
BULZ-I PLUMBING INCACTIVE
License BULZIPI762LL · Registered 2 years
CLEAN PLUMBING LLCACTIVE
License CLEANPL799MF · Registered 3 years
COMPOUND PLUMBINGACTIVE
License COMPOP*793NG · Registered 5 years
CUTTING EDGE PLMB & MECH INCACTIVE
License CUTTIEP793MN · Registered 5 years
ED'S PLUMBING LLCACTIVE
License EDSPLPL791NR · Registered 4 years
HOFFMAN QUALITY WATER LLCACTIVE
License HOFFMQW788OZ · Registered 4 years
HOOD PLUMBING LLCACTIVE
License HOODPPL775DS · Registered 3 years
JA PLUMBING LLCACTIVE
License JAPLUPL743JL · Registered less than 1 year
KEN ADAMS PLUMBING INCACTIVE
License KENADAP789M1 · Registered 4 years
Mill Creek Mechanical LLCACTIVE
License MILLCCM763CK · Registered 2 years
PEAK PLUMBING SOLUTIONS LLCACTIVE
License PEAKPPS776NH · Registered 3 years
SNAKE RIVER PLUMBING INCACTIVE
License SNAKERP765NK · Registered 2 years
Settle In Construction LLCACTIVE
License SETTLCL775J6 · Registered 3 years
TOTAL COMF SL HTG CLG/PLB LLCACTIVE
License TOTALCS743B7 · Registered less than 1 year
WALLA WALLA WERKS LLCACTIVE
License WALLAWW767DO · Registered 2 years
YOUNG'S HEATING & COOLING LLCACTIVE
License YOUNGHC753DO · Registered 1 year