Washington contractor
SIERRA CONSTRUCTION CO INC
Registered in Washington for 40 years
- License number
- SIERRCC145N8
- UBI
- 600634891
- Trade
- General contractor(all general contractor contractors in Washington)
- L&I license type and specialty
- CONSTRUCTION CONTRACTOR · GENERAL
- City
- WOODINVILLE, WA(all contractors in Woodinville)
- Phone
- (425) 487-5200
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
From the state records below; each section shows its source and when it was last synced.
Registration
- Status
- ACTIVE
- Effective date
- August 28, 1986
- Expiration date
- March 31, 2028
Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.
Bond
Current bond
- Bond company
- Safeco Ins Co of America
- Bond number
- 69S012754
- Amount
- $30,000
- Effective date
- March 31, 2026
- Expiration date
- Until canceled
Bond history
- Bond company
- Safeco Ins Co of America
- Bond number
- 69s012754
- Amount
- $12,000
- Effective date
- April 20, 2012
- Expiration date
- March 31, 2026
Source: L&I Contractor License Data - Bond, Washington State Department of Labor & Industries. Last synced October 9, 2026.
Liability insurance
Current policy
- Carrier
- Alaska National Insurance Co
- Policy number
- GL1066136
- Coverage amount
- $1,000,000
- Effective date
- March 31, 2026
- Expiration date
- March 31, 2027
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.
- ADLER, NANCYSince April 27, 2009
- COLLINS, ROGER DSince March 31, 2026
- PLOETZ, BRYAN GSince March 31, 2026
- COLLINS, KIMBERLY JAugust 28, 1986 to April 27, 2009
- COLLINS, ROGER DAugust 28, 1986 to April 27, 2009
- BASNAW, RICHARD LApril 27, 2009 to April 1, 2026
- MILLER, JOHN WMarch 19, 2010 to April 1, 2026
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: SIERRA CONSTRUCTION in WOODINVILLE. 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 SIERRCC145N8).