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Contractor Lookout is an independent website, not affiliated with CSLB or the State of California. This record comes from CSLB's public data file dated November 1, 2026 and may be out of date. Not a consumer report under the FCRA.

Alton Air Conditioning & Heating INC: CSLB License #511296

Source: CSLB public data · Updated November 1, 2026 · CSLB's record

Not currently in good standing

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Suspended automatically because CSLB has no current workers' comp certificate or exemption on file for this license.

License details

License number
511296
Primary status
Work Comp Susp · what this means
Business type
Corporation
Issued
May 29, 1987 (39 years)
Expires
May 31, 2027
Classifications
C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
Mailing address
41041 Trimboli Way #1865, Fremont, CA, 94538
Phone
(510) 490-5655

Workers' compensation

Type
License does not have current W/C
Insurer
State Compensation Insurance Fund
Policy number
9318065
Effective
May 11, 2022
Expires
May 11, 2027
Cancelled
August 5, 2026
Suspend date
August 5, 2026

Confirm coverage with CSLB's insurer search. How to check workers' comp.

Contractor's bond

Surety
Western Surety Company
Bond number
66953795
Amount
$25,000
Effective
June 24, 2024

Bond of qualifying individual

CSLB's public file lists no qualifier bond for this license. One isn't required when the qualifier owns at least 10% of the business, and some qualifier bonds appear only on CSLB's record.

Status history

No changes recorded since we began tracking this license on November 1, 2026. We compare every weekly CSLB file and log changes to status, bonds, workers' comp and classifications here.

Related

Data: CSLB Public Data Portal, file dated November 1, 2026. Status can change at any time. Verify on CSLB's Instant License Check. This site is not a consumer reporting agency under the FCRA; don't use it for employment, credit, insurance or housing decisions about an individual.