Controlled Environment Specialist

Corona · Riverside County · CA

VERIFIED

Bestopedia verdict

83 / 100 Bestopedia Trust Score

California’s contractor board lists Controlled Environment Specialist in CLEAR standing. A contractor bond is on file, and workers’ compensation coverage is current.

License standing
30 / 30
Years licensed
2.9 / 20
Contractor bond
20 / 20
Workers' comp
20 / 20
Business structure
10 / 10

How the Trust Score is calculated →

The verified record

CSLB license
#1108530 verify on CSLB ↗
Classifications
C-20
Years licensed
2.9 years since 08/10/2023
Contractor bond
$25,000 PHILADELPHIA INDEMNITY INSURANCE COMPANY
Workers’ comp
Current CLEAR SPRING PROPERTY AND CASUALTY COMPANY
Business type
Corporation
Qualifying principal
Karl Ryan Fesenmeyer
Address of record
2026 San Diego Drive, Corona, CA 92882

Frequently Asked Questions

Is Controlled Environment Specialist a licensed HVAC contractor in California?

Yes. Controlled Environment Specialist holds California CSLB contractor license #1108530 with a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) classification. Current CSLB status: CLEAR.

What work is Controlled Environment Specialist licensed to perform?

License #1108530 carries C-20 (Warm-Air Heating, Ventilating and Air-Conditioning).

Is Controlled Environment Specialist bonded?

Yes. Controlled Environment Specialist carries contractor's bond #PB10163402873 for $25,000 through PHILADELPHIA INDEMNITY INSURANCE COMPANY.

Does Controlled Environment Specialist carry workers' compensation insurance?

Yes. Workers' compensation insurance is on file with CLEAR SPRING PROPERTY AND CASUALTY COMPANY, with a policy expiration of 07/17/2026.

How long has Controlled Environment Specialist held its contractor license?

License #1108530 was originally issued on 08/10/2023, approximately 3 years ago (as of July 2026).

Where is Controlled Environment Specialist located?

Controlled Environment Specialist is based in Corona, Riverside County, CA 92882.