Washington contractor
SD CONSTRUCTION
Registered in Washington for 15 years
- License number
- SDCONC*891KE
- UBI
- 601375602
- Trade
- General contractor(all general contractor contractors in Washington)
- L&I license type and specialty
- CONSTRUCTION CONTRACTOR · GENERAL
- City
- BREWSTER, WA(all contractors in Brewster)
- Phone
- (509) 689-2418
Current verification
- Found: Active Washington contractor registration
- Found: Current bond record found
- Found: Current liability insurance 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
- June 10, 2011
- Expiration date
- October 17, 2027
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, 601375602. 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.
- DUNCAN ELECTRIC INCACTIVE
License DUNCAEI984QK · ELECTRICAL CONTRACTOR · November 12, 2002 to November 26, 2026
Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.
Bond
Current bond
- Bond company
- Lexon Ins Co
- Bond number
- 9815785
- Amount
- $30,000
- Effective date
- July 1, 2024
- Expiration date
- Until canceled
Bond history
- Bond company
- Lexon Ins Co
- Bond number
- 9815785
- Amount
- $12,000
- Effective date
- March 1, 2013
- Expiration date
- July 1, 2024
Source: L&I Contractor License Data - Bond, Washington State Department of Labor & Industries. Last synced October 9, 2026.
Liability insurance
Current policy
- Carrier
- Champlain Specialty Insurance
- Policy number
- CSAR-CGL-0009064
- Coverage amount
- $1,000,000
- Effective date
- October 18, 2025
- Expiration date
- October 18, 2026
Insurance history
- Carrier
- Scottsdale Ins Co
- Policy number
- CPS8090341
- Coverage amount
- $1,000,000
- Effective date
- October 18, 2025
- Expiration date
- October 18, 2026
- Cancellation date
- October 21, 2025
L&I publishes only the policy currently on file. Earlier policies are kept from our own nightly syncs, which began October 6, 2026.
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.
- DUNCAN, KIM MSince April 28, 2011
- DUNCAN, STEPHEN MSince April 28, 2011
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: SD CONSTRUCTION in BREWSTER. Complaints filed under another name or city are not included.
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 SDCONC*891KE).