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M T PORTENSTEIN

CLEAR California contractor license #490834

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License overview
490834
CLEAR
1986-05-01
2028-07-31
OAK VIEW, CA 93022
***-***-**** · Click to see numberHide phone number(909) 725 9743
Classifications
  • B — CSLB classification
Bond & workers’ compensation
MERCHANTS BONDING COMPANY (MUTUAL)
101926219
Exempt
—
Associated personnel
******** · Click to see associated personnelHide associated personnel
  • PORTENSTEIN MATTHEW THOMAS · Sole Owner · B

Source record last updated: 2026-08-04 00:00:00.