Washington contractor
DOUBLE Z INC
Registered in Washington for 27 years
- License number
- DOUBLZI024QN
- UBI
- 601471803
- Trade
- General contractor(all general contractor contractors in Washington)
- L&I license type and specialty
- CONSTRUCTION CONTRACTOR · GENERAL
- City
- TACOMA, WA(all contractors in Tacoma)
- Phone
- (253) 531-9431
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
- November 15, 1998
- Expiration date
- January 9, 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, 601471803. 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.
- DOUBLE Z INCSUSPENDED
License DOUBLZI994LO · ELECTRICAL CONTRACTOR · June 20, 2001 to June 29, 2027 · suspension date August 5, 2025
Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.
Bond
Current bond
- Bond company
- RLI Ins Co
- Bond number
- LSM5030052
- Amount
- $30,000
- Effective date
- November 15, 2025
- Expiration date
- Until canceled
Bond history
- Bond company
- CBIC
- Bond number
- SB5321
- Amount
- $12,000
- Effective date
- November 15, 2001
- Expiration date
- Not on record
- Cancellation date
- November 15, 2025
Source: L&I Contractor License Data - Bond, Washington State Department of Labor & Industries. Last synced October 9, 2026.
Liability insurance
Current policy
- Carrier
- MESA UNDERWRITERS SPECIALTY IN
- Policy number
- MP0046003019106
- Coverage amount
- $1,000,000
- Effective date
- June 30, 2023
- Expiration date
- June 30, 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.
- BAKER, LINDA KATHLEENSince January 6, 2014
- WALTERS, JEFFREY EUGENESince January 6, 2014
- PATTERSON, PENNY HNovember 15, 1998 to January 6, 2014
- PATTERSON, ROBERT JNovember 15, 1998 to January 6, 2014
- WALTERS, CHRISTINAJune 2, 2000 to January 6, 2014
- WALTERS, JACK L JRJune 2, 2000 to January 6, 2014
- PATTERSON, MICHAEL DAVIDJanuary 29, 2014 to October 14, 2024
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: DOUBLE Z in TACOMA. Complaints filed under another name or city are not included.
One other registered contractor shares this business name and city: DOUBLE Z INC (DOUBLZI994LO, SUSPENDED). 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 DOUBLZI024QN).