STATE OF CALIFORNIA
DEPARTMENT OF REAL ESTATE

In reviewing a licensee's information, please be aware that license discipline information may have been removed from a licensee's record pursuant to Business & Professions Code Section 10083.2 (c). However, discipline information may be available from the California Department of Real Estate upon submittal of a request, or by calling the Department's public information line at 1-877-373-4542.
The license information shown below represents public information. It will not reflect pending licensing changes which are being reviewed for subsequent updating. Although the business and mailing addresses of real estate licensees are included, this information is not intended for mass mailing purposes.
Some historical disciplinary action documents may not be in compliance with certain accessibility functions. For assistance with these documents, please contact the Department's Licensing Flag Section.

License information taken from records of the Department of Real Estate on 11/27/2025 3:44:14 AM
License Type:
BROKER

Name:
O'Brien, Mark Derek

Mailing Address:
206 OAK MEADOW RD
SIERRA MADRE, CA 91024

License ID:
01120143

Expiration Date:
08/11/28

License Status:
LICENSED

Salesperson License Issued:
09/20/91 (Unofficial -- taken from secondary records)

Broker License Issued:
08/12/96 (Unofficial -- taken from secondary records)

Former Name(s):
NO FORMER NAMES

Main Office:
707 WILSHIRE BOULEVARD
SUITE 5125
LOS ANGELES, CA 90017

DBA
O'Brien Management Company
ACTIVE FROM 08/12/1996 TO 07/27/2004

OMC Management
ACTIVE FROM 08/12/1996 TO 07/27/2004

NO CURRENT DBAS

Branches:
NO CURRENT BRANCHES

Affiliated Licensed Corporation(s):
01983137 - Officer Expiration Date: 06/22/19
Advisors Real Estate DLA, Inc.
OFFICER LICENSE EXPIRED AS OF 06/23/19

Broker Associate for:
License ID: 02130474
NAI Capital Commercial Inc.
15821 VENTURA BLVD STE 320
ENCINO, CA 91436

Comment:
NO DISCIPLINARY ACTION

NO OTHER PUBLIC COMMENTS

>>>> Public information request complete <<<<