Plumbing contractors in Auburn, WA

37 active plumbing contractors are registered with Washington L&I at a Auburn, WA address. 68 registrations are on record in all, including expired and other statuses.

By the numbers

Active registrations: 37
Registrations on record, all statuses: 68
Registered in the last 12 months: 5
Median years registered, active: 4
Suspension on record: 5
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

H&L Plumbing LLCRegistered since July 11, 2021
JT'S PLUMBING & MECHANICAL INCRegistered since July 29, 2021
AUBURN MECHANICAL INCRegistered since August 24, 2021
JJ PLUMBING LLCRegistered since August 31, 2021
PELTRAM PLUMBING LLCRegistered since September 1, 2021

Recently registered

GREENER CLEANER HTG & AIR LLCRegistered on September 10, 2026
PIPE & CO PLUMBING LLCRegistered on May 20, 2026
ISLAND PLUMBING & MECH LLCRegistered on April 2, 2026
CASCADIAN PLUMBING PLLCRegistered on October 28, 2025
A B CONTRACTING AND DEV LLCRegistered on October 27, 2025

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

All 68 registrations on record

Businesses by registered name and license number. Show only the 37 active registrations.

A B CONTRACTING AND DEV LLCACTIVE
License BCONTBC752P7 · Registered less than 1 year
AFFORDABLE PLUMBING PROSACTIVE
License AFFORPP753NF · Registered 1 year
ALL ABOUT PLUMBING LLCACTIVE
License ALLABAP757CM · Registered 1 year
ARISTO MECHANICAL COACTIVE
License ARISTMC781DA · Registered 4 years
AUBURN MECHANICAL INCACTIVE
License AUBURMI797OB · Registered 5 years
BIG BEARS PLUMBING/ROOTER LLCACTIVE
License BIGBEBP798O4 · Registered 4 years
Better Flow Plumbing LLCACTIVE
License BETTEFP797MO · Registered 5 years
CASCADIAN PLUMBING PLLCACTIVE
License CASCAPP751P8 · Registered less than 1 year
CNC PLUMBINGACTIVE
License CNCPLP*770LT · Registered 3 years
FIRST CHOICE PLUMBINGACTIVE
License FIRSTCP785DG · Registered 4 years
FIVE STAR PLUMBING & ROOTR LLCACTIVE
License FIVESSP793QN · Registered 4 years
G&I PLUMBING LLCACTIVE
License GIPLUPL755DR · Registered 1 year
GOOD PLUMBERACTIVE
License GOODPP*777BF · Registered 3 years
GREEN RIVER PLUMBING LLCACTIVE
License GREENRP773NP · Registered 3 years
GREENER CLEANER HTG & AIR LLCACTIVE
License GREENCH741OS · Registered less than 1 year
Gilbert PlumbingACTIVE
License GILBEP*794RW · Registered 4 years
H&L Plumbing LLCACTIVE
License HLPLUPL793MF · Registered 5 years
HERRICKS PLUMBING LLCACTIVE
License HERRIPL757JB · Registered 1 year
ISLAND PLUMBING & MECH LLCACTIVE
License ISLANPM749JB · Registered less than 1 year
J 1 PLUMBINGACTIVE
License J1PLU1P773C2 · Registered 3 years
JJ PLUMBING LLCACTIVE
License JJPLUJP795ND · Registered 5 years
JT'S PLUMBING & MECHANICAL INCACTIVE
License JTSPLPM793NG · Registered 5 years
K D P PLUMBINGACTIVE
License KDPPLDP792RA · Registered 4 years
LINDSAY-JOHNSON MECHANICALACTIVE
License LINDSM*781JH · Registered 4 years
MAESTRO PLUMBING LLCACTIVE
License MAESTPL790NQ · Registered 4 years
P HOMES PLUMBING LLCACTIVE
License PHOMEHP786N5 · Registered 4 years
PACIFIC NORTHWEST PLUMBINGACTIVE
License PACIFNP786OT · Registered 3 years
PELTRAM PLUMBING LLCACTIVE
License PELTRPL790NW · Registered 5 years
PEREZ PLUMBING INCACTIVE
License PEREZPI794PK · Registered 4 years
PINO PLUMBING LLCACTIVE
License PINOPPL773D1 · Registered 3 years
PIPE & CO PLUMBING LLCACTIVE
License PIPECCP748KO · Registered less than 1 year
PREMIER WATER DAMAGE & CONSTRACTIVE
License PREMIWD766QR · Registered 1 year
PROFORMANCE NORTHWEST INCACTIVE
License PROFONI779W7 · Registered 3 years
R K HORAN PLUMBING LLCACTIVE
License RKHORKH781KQ · Registered 4 years
THE BRIGHT PLUMBING CO LLCACTIVE
License BRIGHBP788DC · Registered 4 years
VALLEY PUMP INCACTIVE
License VALLEPI789DJ · Registered 4 years
WELL HOME PLUMBING & MECH LLCACTIVE
License WELLHHP753JQ · Registered 1 year
A ADVANCED SEPTIC SERVICES INCEXPIRED
License ADVANAS783O1 · First registered 2022
AFFORDABLE PLUMBING PROSEXPIRED
License AFFORPP842R7 · First registered 2016
ALLRED HTG COOLING ELEC LLCEXPIRED
License ALLREHC798O4 · First registered 2022
BIG O'S PLUMBING LLCEXPIRED
License BIGOSOP824JF · First registered 2018
Better Flow Plumbing LLCRE-LICENSED
License BETTEFP825O4 · First registered 2018
C N C PLUMBINGRE-LICENSED
License CNCPL**982PZ · First registered 2002
GOOD PLUMBERRE-LICENSED
License GOODPP*940O8 · First registered 2006
Gilbert PlumbingRE-LICENSED
License GILBEP*913RG · First registered 2009
H2O PLUMBING & MECHANICAL LLCEXPIRED
License H2OPLPM831CS · First registered 2017
JNI PLUMBING LLCSUSPENDED
License JNIPLPL775MS · First registered 2023
JT'S PLUMBING & MECHANICAL INCRE-LICENSED
License JTSPLPM848DG · First registered 2016
K D P PLUMBINGRE-LICENSED
License KDPPLP*930O8 · First registered 2007
LIVING WTRS PLBG & RSTRTN LLCEXPIRED
License LIVINWP791BN · First registered 2021