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Investment Property Research, Inc

9431 Haven Avenue

Rancho Cucamuga, California, 91730

Phone 951 313 0162

Fax     877 554 1045


Mailing Address:

19745 E Colima Rd. # 1-537

Rowland Heights, CA 91748


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Your Realty Partners in The State of California

Investment Property Resarch, Inc. has all the appeal and proximity of a local realtor, but with the experience of a realty giant! We will guide you through every aspect of the purchase, sale, leasing and management of Commercial/Investmant real estate in the State of California.


Your local realtor since 1983, Investment Property Resarch, Inc. provides that "hometown" know-how you won't find anywhere else.  All of our Brokers were raised and still live in their area, and are experts at answering any questions you may have about the community. 



Whether you're moving out, moving in or just moving on, let us help you find the property that exceeds your demands.

The Brokers at Investment Property Resarch Inc.

You can get learn a little about our experienced brokers right here. We look forward to meeting you in person, so make an appointment or stop by anytime! The first meeting is non-binding and completely free of charge.



Stephen G. Offenbecher 

Investment Services Group: 

Career Summary 

Investment Property Research, Inc, 2010-Present:

President-CEO: A commercial real estate brokerage, specializing in the sale, exchange and property

management of income producing real estate.

Grubb & Ellis, Investment Services Group: 1998 - 2010 

Senior Real Estate Investment Broker Analyst, specializing in the sale and exchange of income producing

property. Grubb & Ellis is one of the largest publicly traded commercial real estate services firms with approximately 4,000 professionals and staff. The Company provides, investment, transaction, management, financial and strategic services to clients worldwide. 

Marcus & Millichap: 1992 - 1998 

Investment Real Estate Broker, specializing in the sale and exchange of income producing real estate.

Marcus & Millichap is one of the largest investment real estate brokerages in the country.  

Trade Organizations: 

California Association Of Realtors: 

Regional Representative, Investment Forum 

Realtors Member at Large 


Honorary “Realtor for Life” 

Hacienda-Rowland-Diamond Bar Board Of Realtors:


Director, Board of Directors 

Trustee, Board of Realtors Political Action Committee (BORPAC) 

Committee Chair:

   Investment Committee

   Building Committee   

   Long Range Planning 

   Multiple Listing Service

   Insurance Committee


Realty Investment Association Of California

   Chairman, Legislative Committee 

Los Angeles County Boards Of Real Estate (Legislative advocate)

   District Supervisorial Chair, Fourth district of the County of Los Angeles 

State Of California 52nd Assembly District

   Chairman, Real Estate Advisory Committee 

California Republican Party

   Appointed delegate, State Central Committee 

Realtors Legislative Network

   Federal contact

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