Kostos Tree Service INC (CSLB #543312)
CSLB #543312
Lakeside, CA · (619) 443-4465
License status
Active
Expires May 31, 2027 · Issued 1988
Expires May 31, 2027Issued October 5, 1988
BondContractor bond
$25,000
Atlantic Specialty Ins. Co.
Workers' comp
On filePolicy on file
Ins. Co. Of The West · to Jan 1, 2027Ins. Co. Of The West Runs to January 1, 2027
ClassesClassifications
D-49
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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John Joseph Jr Marrujo
Role: Responsible managing officer, chief executive officer, president
Qualifies: D-49
Michelle Renee Geisinger
Role: Officer
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The full record
- Business address
- 11627 LAKESIDE AVE, Lakeside, CA 92040
- Phone
- (619) 443-4465
- Bond
- Atlantic Specialty Insurance Company · $25,000
- Workers' comp
- Insurance Company Of The West · policy WNJ507487402 · Jan 1, 2026 to Jan 1, 2027
About this license
Kostos Tree Service INC of Lakeside, CA holds California contractor license #543312 in D-49. The business phone on the license is (619) 443-4465. The license was issued October 5, 1988 and expires May 31, 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 Insurance Company Of The West, policy dates January 1, 2026 – January 1, 2027. People on the license include John Joseph Jr Marrujo (Responsible Managing Officer/Chief Executive Officer/President) and Michelle Renee Geisinger (Officer).