J K F INC (CSLB #748930)
CSLB #748930
Sunnyvale, CA · (415) 680-8551
License status
Active
Expires September 30, 2027 · Issued 1998
Expires September 30, 2027Issued May 5, 1998
BondContractor bond
$25,000
Atlantic Specialty Ins. Co.
Workers' comp
On filePolicy on file
State Compensation Ins. Fund · to Feb 1, 2027State Compensation Ins. Fund Runs to February 1, 2027
ClassesClassifications
B General building
FROM THE CSLB FILE DATED NOV 6, 2026
Status can change the same day. We don't approve contractors; this is the state's public file.
Check this license at CSLB ↗CSLB file dated NOV 6, 2026 · Status can change the same day · Check at CSLB ↗
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Jeffrey Karl| Frankenfield Jeff Karl Frankenfield
Role: Responsible managing officer, chief executive officer, president
Qualifies: B
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The full record
- Business address
- 233 E WEDDELL DR UNIT L, Sunnyvale, CA 94089
- Phone
- (415) 680-8551
- Bond
- Atlantic Specialty Insurance Company · $25,000
- Workers' comp
- State Compensation Insurance Fund · policy 9269078 · Feb 1, 2020 to Feb 1, 2027
About this license
J K F INC of Sunnyvale, CA holds California contractor license #748930 in B — General building. The business phone on the license is (415) 680-8551. The license was issued May 5, 1998 and expires September 30, 2027, and the CSLB file lists it as active. Its contractor bond of $25,000 is with Atlantic Specialty Insurance Company. Workers' compensation is with State Compensation Insurance Fund, policy dates February 1, 2020 – February 1, 2027. People on the license include Jeffrey Karl| Frankenfield Jeff Karl Frankenfield (Responsible Managing Officer/Chief Executive Officer/President).