Registered Washington contractor, based in PORTLAND, OR
D & D MECHANICAL INC
Registered in Washington for 14 years
- License number
- DDMECDM883O7
- UBI
- 602520152
- Trade
- Electrical(all electrical contractors in Washington)
- L&I license type and specialty
- ELECTRICAL CONTRACTOR · HVAC/RFRG
- Business address
- PORTLAND, OR
- Phone
- (360) 518-8765
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 27, 2012
- Expiration date
- November 5, 2026
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, 602520152. 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.
- D & D MECHANICAL INCACTIVE
License DDMECDM954MK · CONSTRUCTION CONTRACTOR · July 12, 2005 to January 27, 2028
Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.
Bond
Current bond
- Bond company
- Contractors Bonding & Insurance Co
- Bond number
- PI5760
- Amount
- $4,000
- Effective date
- September 26, 2012
- 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.
- DALE, DONOVANSince September 27, 2012
- DILGARDE, BOYAN LSince September 27, 2012
- DILGARDE, BOYANSince October 16, 2020
- DILGARDE, DORIS LSeptember 27, 2012 to October 16, 2020
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: D D MECHANICAL in PORTLAND. Complaints filed under another name or city are not included.
One other registered contractor shares this business name and city: D & D MECHANICAL INC (DDMECDM954MK, 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 DDMECDM883O7).