Plumbing contractors in Mount Vernon, WA
18 active plumbing contractors are registered with Washington L&I at a Mount Vernon, WA address. 36 registrations are on record in all, including expired and other statuses.
By the numbers
- Active registrations
- 18
- Registrations on record, all statuses
- 36
- Registered in the last 12 months
- 1
- 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
- BOOKER'S PLUMBING LLCRegistered since August 24, 2021
- FREES PLUMBING SERVICE LLCRegistered since August 31, 2021
- EXPERIENCE PLUMBING LLCRegistered since October 18, 2021
- NW Custom Plumbing LLCRegistered since January 24, 2022
- NEWTON'S PLUMBINGRegistered since February 7, 2022
Recently registered
- HOOVER CMRCL REFRIGERATION INCRegistered on September 17, 2026
- A1 PLUMBING LLCRegistered on October 6, 2025
- Z'S PLUMBING LLCRegistered on September 26, 2025
- ALL TIME PLUMBING & HTG LLCRegistered on August 21, 2025
- Barker Drilling LLCRegistered on June 27, 2024
Active registrations, by the effective date on the state's record.
18 active registrations
Businesses by registered name and license number. Show all 36 registrations on record, including expired.
- A1 PLUMBING LLCACTIVE
License A1PLUPL752O2 · Registered 1 year
- ABSOLUTE PLUMBINGACTIVE
License ABSOLP*799MB · Registered 4 years
- ALL CLEAR PLUMBING LLCACTIVE
License ALLCLCP785RH · Registered 3 years
License ALLTITP759LT · Registered 1 year
- BOOKER'S PLUMBING LLCACTIVE
License BOOKEPL796NQ · Registered 5 years
- Barker Drilling LLCACTIVE
License BARKEDLA682L · Registered 2 years
- DELK'S PLUMBING LLCACTIVE
License DELKSPL775BZ · Registered 3 years
- EXPERIENCE PLUMBING LLCACTIVE
License EXPERPL795PE · Registered 4 years
License FREESPS798OS · Registered 5 years
License HOOVECR742OP · Registered less than 1 year
License JHPLUHP772MF · Registered 3 years
- LOWE LLCACTIVE
License LOWELL*780O7 · Registered 4 years
- MIKE'S REPAIRACTIVE
License MIKESR*782KD · Registered 4 years
- NEWTON'S PLUMBINGACTIVE
License NEWTOP*788B7 · Registered 4 years
- NW Custom Plumbing LLCACTIVE
License NWCUSCP791RM · Registered 4 years
- RMI PLUMBING LLCACTIVE
License RMIPLPL769BW · Registered 2 years
License ROBERPI773DF · Registered 3 years
- Z'S PLUMBING LLCACTIVE
License ZSPLUPL759O6 · Registered 1 year