ContractorHistory

Contractors in Black Diamond, WA

99 active contractors are registered with Washington L&I at a Black Diamond, WA address. 181 registrations are on record in all, including expired and other statuses.

By the numbers

Active registrations
99
Registrations on record, all statuses
181
Registered in the last 12 months
9
Median years registered, active
6
Suspension on record
6
Complaint records matched
0

Trades in Black Diamond

Active registrations by trade group. The group is derived from the L&I license type and specialty; each contractor page shows the state's own wording.

Longest registered

  1. G N CONSTRUCTIONRegistered since August 14, 1996
  2. TAFF ROOFING INCRegistered since March 12, 1999
  3. REC RESIDENTIAL ELECTRIC INCRegistered since July 15, 1999
  4. M B J CONSTRUCTION INCRegistered since August 3, 1999
  5. BAINTON BUILDING COMPANYRegistered since November 12, 1999

Recently registered

  1. WAXMAN FAMILY PLUMBINGRegistered on September 15, 2026
  2. LEFT COAST LAND MANAGEMENT LLCRegistered on August 26, 2026
  3. PUGET SOUND ELECTRIC LLCRegistered on August 17, 2026
  4. SCHARF CONSTRUCTION INCRegistered on May 13, 2026
  5. SOUNDBUILD CONSTRUCTION LLCRegistered on May 7, 2026

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

99 active registrations

Businesses by registered name and license number. Show all 181 registrations on record, including expired.