Washington contractor license
CONTROL SYSTEMS INC CSI
- PC-30 Backflow Specialty
CONTROL SYSTEMS INC CSI is a PC-30 Backflow Specialty contractor in Ontario, licensed in Washington for 1 year (since 2025). As of Oct 28, 2026, state records list the license as suspended and no license bond is on file.
CONTROL SYSTEMS INC CSIPC-30 Backflow Specialty · checked Oct 28, 2026
SuspendedLicense number#CONTRSI755BU
Licensed sinceFeb 10, 2025
Years licensed1 year
Expiration on recordFeb 10, 2027
City and countyOntario
License bondNot on file
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Source: Washington State Department of Labor & Industries (L&I) contractor records. Last updated Oct 28, 2026. Page refreshed Nov 4, 2026.