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About The Cosmopolitan Group

The Cosmopolitan Group is a Boutique Brokerage that offers the highest quality services and knowledge base for your Real Estate Transaction. Our dedicated team has extensive knowledge in Selling, Buying, and Developing properties.  Absolutely individual service is our mantra.  We cater to your needs and have your best interest at heart utilizing our contacts and extensive network.  We vow to provide you with the best personalized service available.

Shaye Sullwold

CalBRE# 01907783

Owner / Broker

As a Department Head at Warner Brothers Records for 10 years I learned to always be available, pay attention to detail, treat everyone like the star that they are, and be an unforgiving negotiator. I have a knack for reading people and their intrinsic requirements which makes me an extremely intuitive deal maker so I can get you the best deal for YOU. As a broker with my own firm I feel I’ve satisfied every client, let’s get YOU exactly what you are looking for, whether you are a buyer, seller or investor!


Serge Rodnunsky

Residential Agent #01931388

Serge Rodnunsky has over 25 years experience in the Real Estate industry. He works tirelessly with a “Can Do” spirit to focus on his clients. With excellent Marketing, Sales and Negotiation skills Serge works extensively throughout Southern California with a primary focus from the SF Valley to Ventura County. Serge has also been involved extensively in rehab, flipping and the purchases of short sale/REO properties. He has negotiated hundreds of short sales, having worked with numerous Law and Real Estate firms – first as a top syndicator and later as retail Realtor. The integrity, know-how and experience that he brings to transactions is reflected in strong sales prices and smooth escrow closes.