ContractorHistory

General contractors in Richland, WA

248 active general contractors are registered with Washington L&I at a Richland, WA address. 564 registrations are on record in all, including expired and other statuses.

By the numbers

Active registrations
248
Registrations on record, all statuses
564
Registered in the last 12 months
35
Median years registered, active
5
Suspension on record
38
Complaint records matched
2

Longest registered

  1. PERFECTION GLASS INCRegistered since November 22, 1976
  2. SIEFKEN & SONS CONST INCRegistered since July 9, 1981
  3. INLAND MECHANICAL INCRegistered since November 12, 1985
  4. TOTAL ENGY MGT & HVAC SERV INCRegistered since September 15, 1988
  5. FIRE & WATERRegistered since September 28, 1990

Recently registered

  1. 1CORegistered on October 5, 2026
  2. INLAND EMPIRE COATINGS LLCRegistered on September 24, 2026
  3. IVEY ESTATES & DESIGN LLCRegistered on September 23, 2026
  4. INTEGRITY BUILT CONTRACTNG LLCRegistered on August 4, 2026
  5. APOLLO SOLUTIONS GROUP LLCRegistered on July 24, 2026

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

All 564 registrations on record

Businesses by registered name and license number. Show only the 248 active registrations.