Washington contractor
KNIGHT CONST & SUPPLY INC
Registered in Washington for 54 years
- License number
- KNIGHCS233RN
- UBI
- 600074664
- Trade
- Electrical(all electrical contractors in Washington)
- L&I license type and specialty
- ELECTRICAL CONTRACTOR · GENERAL
- City
- DEER PARK, WA(all contractors in Deer Park)
- Phone
- (509) 276-2229
Current verification
- Found: Active Washington contractor registration
- Found: Current bond record found
- Found: No Attorney General complaint records found
- Review: 1 other license record under the same UBI
From the state records below; each section shows its source and when it was last synced.
Registration
- Status
- ACTIVE
- Effective date
- September 26, 1972
- Expiration date
- August 17, 2028
Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.
Related licenses
One other license number is registered under the same UBI, 600074664. A UBI identifies one business with the state; a business may hold more than one license, renew under a new number, or register a new license after an earlier one closed.
License KNIGHCS281ON · CONSTRUCTION CONTRACTOR · September 15, 1972 to August 22, 2028
Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.
Bond
Current bond
- Bond company
- Western Surety Co
- Bond number
- 929628551
- Amount
- $4,000
- Effective date
- July 20, 2016
- Expiration date
- Until canceled
Source: L&I Contractor License Data - Bond, Washington State Department of Labor & Industries. Last synced October 9, 2026.
Liability insurance
Current policy
Chapter 19.28 RCW, the electrical contractor licensing law, requires a bond and does not require liability insurance. L&I's insurance dataset has no policy on file for this contractor.
Source: L&I Contractor License Data - Insurance, Washington State Department of Labor & Industries. Last synced October 9, 2026.
People
Principals L&I lists for this license.
- KNIGHT, DOUGLAS JSince June 22, 2000
- Knight, David ASince June 21, 2002
- Knight, Douglas JSince November 8, 2018
- KNIGHT, JAMES DSeptember 26, 1972 to August 8, 2022
- KNIGHT, JAMES DSeptember 26, 1972 to November 8, 2018
- KNIGHT, FERN EDecember 14, 1990 to January 1, 2016
- KNIGHT, KENNETH LJune 22, 2000 to August 9, 2022
Source: L&I Contractor License - Principal Data, Washington State Department of Labor & Industries. Last synced October 9, 2026.
Attorney General complaints
No Attorney General complaint records found.
Matched on business name and city: KNIGHT CONST SUPPLY in DEER PARK. Complaints filed under another name or city are not included.
One other registered contractor shares this business name and city: KNIGHT CONST / SUPPLY INC (KNIGHCS281ON, ACTIVE). Complaints are matched by business name and city, so any complaint records shown here also appear on those pages. The records do not say which of these contractors a complaint was about.
A complaint record does not establish that the business violated the law.
Source: Attorney General Consumer Complaints, Washington State Attorney General's Office. Last synced October 9, 2026.
Record history
Changes to this contractor's state records since we began tracking them. The state's current-status tools do not show these.
No changes recorded since our records began on October 6, 2026.
Sources
- L&I Contractor License Data - General, Washington State Department of Labor & Industries
- L&I Contractor License Data - Bond, Washington State Department of Labor & Industries
- L&I Contractor License Data - Insurance, Washington State Department of Labor & Industries
- L&I Contractor License - Principal Data, Washington State Department of Labor & Industries
- Attorney General Consumer Complaints, Washington State Attorney General's Office
Record last synced October 7, 2026.
Check this record against the state directly on L&I's Verify a Contractor page (search by license number KNIGHCS233RN).