Plumbing contractors in Mukilteo, WA
6 active plumbing contractors are registered with Washington L&I at a Mukilteo, WA address. 13 registrations are on record in all, including expired and other statuses.
By the numbers
- Active registrations
- 6
- Registrations on record, all statuses
- 13
- Registered in the last 12 months
- 1
- Median years registered, active
- 1
- Suspension on record
- 0
- 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
- Stollwerck Plumbing LLCRegistered since February 28, 2022
- COMPLETE PLUMBING SLTN LLCRegistered since April 13, 2023
- SEATOWN ELECTRIC HTG&AIR LLCRegistered since November 25, 2024
- ACE PLUMBING & MECHANICALRegistered since December 30, 2024
- PRESTIGE PLUMBING GROUP INCRegistered since April 7, 2025
Recently registered
- THE JANES COMPANY, INCRegistered on April 6, 2026
- PRESTIGE PLUMBING GROUP INCRegistered on April 7, 2025
- ACE PLUMBING & MECHANICALRegistered on December 30, 2024
- SEATOWN ELECTRIC HTG&AIR LLCRegistered on November 25, 2024
- COMPLETE PLUMBING SLTN LLCRegistered on April 13, 2023
Active registrations, by the effective date on the state's record.
6 active registrations
Businesses by registered name and license number. Show all 13 registrations on record, including expired.
License ACEPLPM761RT · Registered 1 year
License COMPLPS776JL · Registered 3 years
License PRESTPG755JD · Registered 1 year
License SEATOEH7618M · Registered 1 year
- Stollwerck Plumbing LLCACTIVE
License STOLLPL780CJ · Registered 4 years
- THE JANES COMPANY, INCACTIVE
License JANESJC743DW · Registered less than 1 year