Clear

BROWN MECHANICAL SERVICES

License #1097001Lake ForestSole OwnerLicensed since September 23, 2022

License

Status
CLEAR
First issued
September 23, 2022
Expires
September 30, 2028
Entity
Sole Owner
Address of record
22916 LEO LN, Lake Forest, CA 92630
Phone of record
(949) 303 0109

Contractor bond

Surety
BUSINESS ALLIANCE INSURANCE COMPANY
Bond number
G19033211381
Amount
$25,000
Effective
May 24, 2026

Workers’ compensation

Carrier
STATE COMPENSATION INSURANCE FUND
Policy number
9397180
Effective
June 7, 2026
Expires
June 7, 2027

Are they licensed for your job?

A California contractor may only contract for work their classification covers. Pick the job and this reads the license on file against it.

Licensed to perform

A contractor may only contract for work within their classifications. See all 24 licensed warm-air heating, ventilating and air-conditioning contractors in Lake Forest.

People on this license

NameTitleSinceThrough
BROWN DOUGLAS WILLIAMSole OwnerSeptember 23, 2022Current
BROWN DOUGLAS WILLIAMSole OwnerFebruary 24, 2025Current

Verified status badge

Put this on your website or in a bid packet. It reads the state’s record live every time someone loads it, so it is never a screenshot of a good day. Free, and you don’t need to claim this listing to use it.

BROWN MECHANICAL SERVICES — California contractor license #1097001 status, verified against CSLB records
<a href="https://bookofbuilders.com/license/1097001" target="_blank" rel="noopener">
  <img src="https://bookofbuilders.com/badge/1097001.svg" alt="BROWN MECHANICAL SERVICES — California contractor license #1097001 status, verified against CSLB records" width="268" height="76">
</a>

The badge shows whatever the CSLB record says — including a suspension or lapsed coverage. There is no paid version and no way to change what it displays. That is what makes it worth showing. The same data as JSON if you’d rather build your own.

Is this your license?

Claim this page to add your photos, description, service area and contact details. The state’s record above stays exactly as it is — claiming adds to a page, it never edits or hides anything the CSLB reports.

Source: California Contractors State License Board public records. Coverage lapse is evaluated against today’s date; all other fields reflect the latest weekly CSLB file. Confirm at the CSLB’s official record before signing a contract.