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JB MECHANICAL INC DBA MAS SERVICE

CLEAR California contractor license #498289

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License overview
498289
CLEAR
1986-09-15
2028-06-30
ANTIOCH, CA 94531
***-***-**** · Click to see numberHide phone number(888) 314 0451
Classifications
  • C-20 — Warm-Air Heating, Ventilating and Air-Conditioning
  • C-38 — CSLB classification
Bond & workers’ compensation
OHIO CASUALTY INSURANCE COMPANY (THE)
792706C
Workers' Compensation Insurance
2027-03-03
Associated personnel
******** · Click to see associated personnelHide associated personnel
  • BILLHEIMER CORINNE K · Officer
  • BILLHEIMER JOHN ALAN · Responsible Managing Officer/Chief Executive Officer/President · C-20
  • GELDERT FRANK DUNBAR JR · Responsible Managing Employee · C-38

Source record last updated: 2026-06-08 00:00:00.