We are San Diego’s finest agents
and we’re ready to make your day.

In this ever changing market, confidence in your real estate professional is a must! Whether selling or purchasing a home, you need a Broker who will provide you with as much knowledge about the current market as possible.

The team at Gem Real Estate specializes in the San Diego marketplace, offering our clients superior service. We continually educate ourselves on best practices to ensure that our clients receive the benefit of our knowledge and expertise. We provide a high level of personal service that goes beyond the sale itself. The team at Gem Real Estate work on developing long-term and lasting relationships with both existing and potential clients, all of whom we value as members of the Gem Real Estate family. Understanding and addressing our clients’ needs in an honest, efficient and professional manner, negotiating the best outcomes for our clients, and protecting our client’s interests are the cornerstones of our business.

Our most important job is satisfying you. Call us today to discover why the Team of Gem Real Estate will become your Broker for life.

Kathy O. Christmas
DRE License # 0134817

Sheryl Kerstiens
DRE License # 02188716



The team at Gem Real Estate works with you to ensure the home you purchase is the best fit for you and your family.



Gem Real Estate works with sellers to make the selling experience less onerous by providing insight, expertise, and understanding throughout the sales cycle.


About Kathy Christmas

Kathy O’Hara Christmas is a residential real estate specialist and property investment advisor who has a comprehensive understanding of the San Diego housing market.


Property Management Services

GPM is a Full Service Property Management Agency that provides you with straight forward, hassle-free services. Our experienced staff does it all.