Registered Washington contractor, based in ONTARIO, CA
CONTROL SYSTEMS INC CSI
First registered in Washington on February 10, 2025
- License number
- CONTRSI755BU
- UBI
- 604913329
- Trade
- Plumbing(all plumbing contractors in Washington)
- L&I license type and specialty
- PLUMBING CONTRACTOR · BACKFLOW SPECIALTY
- Business address
- ONTARIO, CA
- Phone
- (909) 628-7773
Current verification
- Found: No Attorney General complaint records found
- Review: Registration is not currently active
- Review: A registration suspension is on record
- Review: 2 other license records under the same UBI
From the state records below; each section shows its source and when it was last synced.
Registration
- Status
- SUSPENDED
- Effective date
- February 10, 2025
- Expiration date
- February 10, 2027
- Suspension date
- October 6, 2025
Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.
Related licenses
2 other license numbers are registered under the same UBI, 604913329. 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.
- CONTROL SYSTEMS INC CSISUSPENDED
License CONTRSI759B8 · CONSTRUCTION CONTRACTOR · February 10, 2025 to February 10, 2027 · suspension date March 2, 2026
- CONTROL SYSTEMS INC CSIEXPIRED
License CONTRSI764BS · ELECTRICAL CONTRACTOR · January 17, 2024 to January 17, 2026
Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.
Bond
L&I does not publish bond records for contractors with SUSPENDED status.
Source: L&I Contractor License Data - Bond, Washington State Department of Labor & Industries. Last synced October 11, 2026.
Liability insurance
L&I does not publish liability insurance records for contractors with SUSPENDED status.
Source: L&I Contractor License Data - Insurance, Washington State Department of Labor & Industries. Last synced October 11, 2026.
People
Principals L&I lists for this license.
- DIMITRY, HANY IBRAHIMSince January 28, 2025
Source: L&I Contractor License - Principal Data, Washington State Department of Labor & Industries. Last synced October 11, 2026.
Attorney General complaints
No Attorney General complaint records found.
Matched on business name and city: CONTROL SYSTEMS INC CSI in ONTARIO. Complaints filed under another name or city are not included.
2 other registered contractors share this business name and city: CONTROL SYSTEMS INC CSI (CONTRSI759B8, SUSPENDED), CONTROL SYSTEMS INC CSI (CONTRSI764BS, EXPIRED). 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 11, 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 CONTRSI755BU).