License holder summary

KOSZTOWNY JOHN WILLIAM is a Professional Geologists and Geophysicists licensed to practice in California. The address on file for KOSZTOWNY JOHN WILLIAM is 3640 EL CAMINITO STREET LA CRESCENTA CA 91214-1713. This licensed professional license is current. The license was granted 06/02/1992 and expired on 02/28/2017.

California

Department of Consumer Affairs

KOSZTOWNY JOHN WILLIAM
Professional Geologists and Geophysicists
License number
5399
Date granted
06/02/1992
Date expires
02/28/2017
Class
Professional Geologists and Geophysicists
Status
Clear
Address
3640 EL CAMINITO STREET LA CRESCENTA CA 91214-1713
californialicensing.org
ID 11550479
LAST UPDATED 2026-04-29 08:03:32 UTC

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