Is Master Cooling Corp licensed, insured & complaint-free in California?
Master Cooling Corp has held an active California contractor license (CSLB #656552, C20) for 33 years, with no open enforcement actions on record as of June 27, 2026, according to the California Contractors State License Board (CSLB).
Master Cooling Corp
Active · no open actions
License status is CLEAR with no open enforcement actions on record, per the California Contractors State License Board (CSLB).
- Bond surety — who to file a claim against
- Bond number
- How to make a bond claim
- What “Active · no open actions” means + what to ask
- License expiration date
- Registered business entity & contact
- Dated certificate PDF — emailed with your receipt
Unlock every field above for Master Cooling Corp — including who to file a claim against the $25,000 bond. Delivered as a dated certificate PDF, emailed with your receipt. Public records, not a background check.
Principals on record · CSLB
Workers’ compensation · CSLB
- Carrier
- OMAHA NATIONAL CASUALTY COMPANY
- Policy
- ONCC0701329203
- Effective
- October 1, 2025
- Expires
- October 1, 2026
What this record means
How to verify this yourself
Every fact on this page comes from the California Contractors State License Board (CSLB). You can confirm it directly: look up CSLB license #656552 on the official CSLB site. This page is current as of June 27, 2026; the CSLB record is updated continuously.
What the contractor's bond covers
California requires most licensed contractors to carry a $25,000 contractor's bond. It can pay certain claims for license-law violations — it is not insurance for your project and is not a measure of work quality. The CSLB lists the surety and bond number.
What this record does and does not tell you
The California Contractors State License Board (CSLB) tracks license status, classification, bond, and workers'-comp. It does not rate work quality, track general-liability insurance, or collect customer reviews. Use it to confirm the license is real and in good standing, then check references and a written contract separately.
What classification C20 covers
CSLB #656552 is classified Heating & Air Conditioning (C-20). A California contractor is licensed only for the classifications on record; work outside them may fall outside the license. The full classification list is on the official CSLB record.
Common questions
Is Master Cooling Corp licensed in California?
Yes. As of June 27, 2026, the California Contractors State License Board (CSLB) lists Master Cooling Corp with an active contractor license, CSLB #656552 (classification C20), in a CLEAR status.
Is Master Cooling Corp insured?
As of June 27, 2026, the California Contractors State License Board (CSLB) shows an active workers'-compensation policy on file for CSLB #656552. This covers workers' comp; it does not by itself confirm general-liability coverage, which the CSLB does not track.
Does Master Cooling Corp have complaints or violations?
As of June 27, 2026, the California Contractors State License Board (CSLB) shows no open enforcement actions, citations, or disciplinary bonds on record for CSLB #656552. The CSLB is the authoritative source for complaint history.
Who runs Master Cooling Corp?
The California Contractors State License Board (CSLB) lists 4 principals on record for CSLB #656552, shown by name and title in the personnel section below.
Is Master Cooling Corp bonded?
As of June 27, 2026, the California Contractors State License Board (CSLB) shows an active contractor's bond on file for CSLB #656552. California requires a $25,000 contractor's bond; it protects against certain license-law violations, not a guarantee of work quality.
How long has Master Cooling Corp been licensed?
The California Contractors State License Board (CSLB) shows CSLB #656552 was first issued on October 16, 1992, about 33 years ago.
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This record compiles California Contractors State License Board (CSLB) data — license, insurance, principals, and enforcement — that CSLB publishes across separate pages, current as of June 27, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.