ContractorHistory

Plumbing contractors in Redmond, WA

16 active plumbing contractors are registered with Washington L&I at a Redmond, WA address. 33 registrations are on record in all, including expired and other statuses.

By the numbers

Active registrations
16
Registrations on record, all statuses
33
Registered in the last 12 months
5
Median years registered, active
2.5
Suspension on record
5
Complaint records matched
1

Longest registered

  1. CLASSIC PLUMBING INCRegistered since October 8, 2021
  2. REDWOOD BACKFLOWRegistered since October 21, 2021
  3. BEL-RED PLUMBING LLCRegistered since October 28, 2021
  4. GS MECHANICAL LLCRegistered since December 15, 2021
  5. MOSS BAY PLUMBING LTDRegistered since December 16, 2021

Recently registered

  1. LILYNA CONSULTING LLCRegistered on September 9, 2026
  2. ALL CLIMATE HEATING & AIR CONDRegistered on June 15, 2026
  3. BLUELAM PLUMBING LLCRegistered on June 8, 2026
  4. HOME COMFORT ALLIANCE LLCRegistered on November 7, 2025
  5. LUMANK INCRegistered on October 15, 2025

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

All 33 registrations on record

Businesses by registered name and license number. Show only the 16 active registrations.