Plumbing contractors in Mountlake Terrace, WA
11 active plumbing contractors are registered with Washington L&I at a Mountlake Terrace, WA address. 18 registrations are on record in all, including expired and other statuses.
By the numbers
- Active registrations
- 11
- Registrations on record, all statuses
- 18
- Registered in the last 12 months
- 2
- Median years registered, active
- 4
- Suspension on record
- 0
- Complaint records matched
- 0
- 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
- LAKE CITY PLUMBINGRegistered since August 17, 2021
- FISCHER PLUMBING CO INC, THERegistered since September 1, 2021
- HP PLUMBING & HEATING INCRegistered since September 22, 2021
- MINNIS CUSTOM PLUMBING LLCRegistered since October 21, 2021
- PLUMB PROS LLCRegistered since December 20, 2021
Recently registered
- FISCHER SERVICESRegistered on March 16, 2026
- MARLIN PLUMBING LLCRegistered on November 10, 2025
- AFTER HOURS PLUMBING LUKE LLCRegistered on April 7, 2025
- SPECIALTY PLUMBING & HTG INCRegistered on November 30, 2022
- ALWAYS TESTING INCRegistered on June 28, 2022
Active registrations, by the effective date on the state's record.
11 active registrations
Businesses by registered name and license number. Show all 18 registrations on record, including expired.
License AFTERHP750DE · Registered 1 year
- ALWAYS TESTING INCACTIVE
License ALWAYTI782L7 · Registered 4 years
License FISCHPC792OS · Registered 5 years
- FISCHER SERVICESACTIVE
License FISCHS*741DW · Registered less than 1 year
License HPPLUPH792N5 · Registered 5 years
- JIM DANDY ENTERPRISE INCACTIVE
License JIMDADE791MG · Registered 4 years
- LAKE CITY PLUMBINGACTIVE
License LAKECCP791MG · Registered 5 years
- MARLIN PLUMBING LLCACTIVE
License MARLIPL750QF · Registered less than 1 year
License MINNICP795MR · Registered 4 years
- PLUMB PROS LLCACTIVE
License PLUMBPL792RG · Registered 4 years
License SPECIPH783QT · Registered 3 years