Guggenheim Group

is a full service, boutique, commercial real estate
brokerage firm headquartered in the
San Francisco Bay Area.

The company is focused and skilled for property owners, corporate investors and developers in the lease, sale, and management of commercial properties. The Guggenheim Group has an extensive transaction history with all real estate asset classes. The company's principals are highly regarded within the industry for their integrity, creativity, and advocacy on behalf of their clients. Each assignment is completed with passion, commitment and dedication to achieving the company's client's objectives. This unique, team-based approach provides clients unparalleled service.


Whether you are a property owner, tenant or an investor, Guggenheim Group can bring you the success you desire, through extensive local property knowledge and experience in quickly and accurately executing transactions. Guggenheim Group represents landlords and tenants in a variety of transactions including leases, subleases, corporate services and sales. Our team has the resources and agility to handle any transaction size.

We help landlords lease or sell their properties to qualified prospects. We have the experience, technology and commitment to effectively market any type of investment property. Guggenheim's targeted marketing programs are the right blend of marketing techniques to ensure our client's property receives maximum exposure to the correct lessee or prospective buyer.

Guggenheim Group professionals look beyond the rental rates, terms and conditions to select the most relevant options that best suit your short and long-term objectives. Whether it's selling, a new lease, renewal, relocation, expansion, sublease or renegotiation, we deliver resourceful solutions suited to fulfill your exclusive brokerage needs. Our experienced brokers have superior market knowledge and deep community ties that give you the competitive advantage with it comes to understanding where the market is trending.

Our Services Include:

  • Analyzing your needs
  • Aligning your needs with your business strategy, and financial and operational objectives
  • Analyzing demographics, sales activity and trade area to identify locations best suited to your business model and customer base
  • Performing relevant alternatives to leasing, such as selling or acquisition, build-to-suits etc.
  • Utilizing comparative data available for properties and prevailing market conditions
  • Researching and evaluating beyond rental comparative sales rates to ensure any location meets your timing and competitive restrictions
  • Aggressively negotiating sales and purchase agreements and leases to protect your financial interests and minimize risk
  • Providing needed services such as Corporate Services and Project and Development Management to streamline expansions, relocations or tenant improvements

Our commercial brokerage and leasing professionals are recognized as experts and provide our clients with the utmost in personal attention and the best advice during all the phases of our real estate transaction.

We enjoy getting to know and understand the tenants we represent and do so by conducting analysis before developing a strategy or doing and planning. Whether your needs include plans for a new business space, expansion plans or assistance with current lease negotiations, Guggenheim Group can assist you.

Guggenheim Group understands that when you own a property you need more than just a property manager but a true asset manager. Someone who is not just looking out for your property, but someone who is constantly evaluating your asset as an investment and ensuring that it is generating the appropriate returns, all while keeping an eye on long-term value of the property.

Our aim is to fulfill our clients' financial objectives by working to attain the highest possible net income while enhancing the building's appreciation, and thereby increasing the property's market value. We reduce operating expenses wherever controllable without impacting tenant service. Our staff is trained in all aspects of property management including, negotiating leases and sales, tenant improvements, accounting, vendor contracts, and performing minor repairs. We provide leadership and direction in an honest and transparent fashion for all of our clients.



Allen Guggenheim
Allen Guggenheim
Eric Jong
Eric Jong
Stephen Guggenheim
Stephen Guggenheim
Joel Rubnitz
Joel Rubnitz
Mike Sabes
Mike Sabes
Tim Tom
Tim Tom
Greg Berkowitz
Greg Berkowitz
Allen Guggenheim
Allen Guggenheim

al @ guggenheimrgi.com
(669) 300-6041
BRE# 00943363

Allen has provided corporate and financial management for over forty-five years. His early experience includes executive management positions for computer software and aerospace companies. From 1971 to 1985, he was president and chairman of the board of Information Management International, a company that supplies computerized software, database, and accounting services for financial, real estate, and health care organizations. Allen is President of Guggenheim Realty Group, Inc. and has been an officer and a partner of KG Real Estate, Inc and Triad Investment Group since their inception in 1985. His primary responsibilities include sales, leasing, property management, and the day-to-day operations of Guggenheim Realty Group. His impressive real estate skills stem from his experience and knowledge in the field. Allen also has over forty years of experience volunteering his management and financial skills for several non-profit organizations, many of which he has served as President. He received a Bachelor's of Science degree in Mathematics from the University of Pittsburgh and has completed graduate work in business administration and real estate. Allen is a licensed real estate broker in the State of California.

Eric Jong
Eric Jong

eric @ guggenheimrgi.com
(669) 300-6048
BRE# 01486494

Eric joined Guggenheim Realty Group, Inc. in 2010. He oversees sales and leasing for commercial assets. His list of clients spans a broad set of companies, ranging in size from small local businesses to private equity firms. Eric began his real estate career at Coldwell Banker and more recently was Realtor Partner at Kirkley, a boutique commercial real estate asset management company. His prior experience includes a 10 year career in sales and senior management positions in the enterprise software and hardware industries. Eric is a graduate of St. Mary's College of California with a Bachelor of Science degree in Business Administration/Economics and is a licensed real estate salesperson in the State of California.

Stephen Guggenheim
Stephen Guggenheim

steve @ guggenheimrgi.com
(669) 300-6049
BRE# 01912835

Stephen Guggenheim focuses on buyer and tenant representation services including transaction management, market analyses and negotiations for clients throughout the Silicon Valley and the Bay area. Steve joined Guggenheim Realty Group, Inc. in 2007 having over 13 years of experience in property management. Previously, Steve had an extensive career as a world renowned opera singer having sung from the San Francisco Opera to London's Royal Albert Hall and the L'Opera d'Lyon, France among many others. Steve received a Bachelor of Music degree from San Jose State University and a Master of Music degree from the San Francisco Conservatory of Music before continuing his studies at the Accademia Musicale Chigiana in Siena, Italy. Steve, a bay area native, is also an accomplished Cantor having served Temple Beth Jacob in Redwood City, California and Temple Emanu-El in San Jose, California.

Joel Rubnitz
Joel Rubnitz
President, ABL Properties, Inc.

joel @ ablproperties.com
(408) 669-300-6064
BRE# 01327853

Joel has been involved in multi-family residential and commercial real estate for the past twenty five years. For the last ten years, Joel has been President of ABL Properties, Inc. in which he oversees the day-to-day operations of 886 apartment units (nine properties) and 250,000 square feet of commercial space. In addition to overseeing daily operations, his responsibilities include the acquisition and dispositions of properties, long-term financing, and fiscal management. Under his guidance, ABL smoothly managed the sale and transition of five properties (1028 units) in 2007 to three institutional buyers. Joel started his career in construction management working in large scale project management for Barry Swenson Builders and Archstone Communities. In 2001, Joel joined KG Real Estate as a Sales/Leasing Associate and headed the project management for tenant improvements. While at KG, he also managed the development of a new multi-family development and one historical commercial renovation project. Joel has a BSBA from Chapman University and an MBA from the University of Oregon. In his “spare” time Joel is very active as an officer of a number of non-profit organizations and currently as Co-President of the Jewish Federation of Silicon Valley. Joel is a licensed sales associate in the state of California.

Mike Sabes
Mike Sabes

mike @ guggenheimrgi.com
(669) 300-6047
BRE# 00495907

Mike is the senior Residential Properties Broker at Guggenheim Realty Group, Inc. He has over 30 years of experience marketing residential properties in Santa Clara County as well as helping prospective buyers find and purchase their new homes. Before joining the Guggenheim Group, Mike was the Broker and manager of Referral Realty, a large regional residential brokerage company, where he managed over 40 agents. He was awarded a coveted designation as a Certified Residential Broker through the National Association of Realtors. Mike also served on many committees of the local real estate boards and taught the many facets of the residential real estate business for many years.

Tim Tom
Tim Tom

tim @ guggenheimrgi.com
(669) 300-6046
BRE# 01898380

Tim Tom directs the property management activities of Guggenheim Realty Group, Inc. He manages a portfolio of properties consisting of medical, professional office, industrial parks, biotech/R&D, and retail centers in Northern California. His responsibilities include planning, budgeting, marketing, renovation, fiscal operations and contracting. He places an emphasis on development and retention through providing superior communication, service and building lasting relationships. Prior to joining the Guggenheim Group, he worked in the nonprofit sector as a Development Director. In the local community, he serves as a housing commissioner for the City of San Jose and is involved in local politics and government. Tim is a graduate of Santa Clara University with a Bachelor in Political Science and is a licensed as a real estate salesperson in the State of California. Tim is a NAR Green Designee and has a CAR property management certification.

Greg Berkowitz
Greg Berkowitz

Berko1 @ aol.com
(925) 588-9164
BRE# 01480046

Greg is a full service real estate agent with 15 years of knowledge and experience in the Bay Area market. He provides personal and professional service and prides himself on being accessible 24/7.


Contact at Guggenheim Realty Group, Inc. by email at info @ guggenheimrgi.com

Guggenheim Realty Group Inc.
BRE# 01792244
792 Meridian Way
San Jose, CA 95126

tel (408) 871-8722
fax (408) 834-4959

After Hours Emergency
Voicemail (408) 834-4959

Guggenheim Group seeks to attract and retain the top real estate talent in the region. If you are interested in starting a new career with the Guggenheim Group, please forward your resume to steve@guggenheimrgi.com


Business Hours

Monday 9am to 5pm
Tuesday 9am to 5pm
Wednesday 9am to 5pm
Thursday 9am to 5pm
Friday 9am to 5pm
Saturday closed
Sunday closed