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About Us

Award-Winning Luxury Service Realtors

Top 1% of Realtors in Contra Costa County

2021 WSJ Real Trends List of Best Teams in America

Five Star Award-Winning Agents

Best of Zillow

Stella Tsakonas and Stephanie Mull are a dynamic real estate team unlike any other. You’d think they were related –– and they are! Stella moved years ago from San Francisco to the East Bay where Stephanie was born. Since then they’ve lived in Oakland, Orinda, and Lafayette, which is where they currently reside today. By sharing a close bond and a passion for helping others, this mother and daughter real estate team has unparalleled coordination, makes sound real-estate decisions, and provides exceptional concierge service to their clients.

As natives of the East Bay with a combined 26+ years of experience, this dynamic duo is firmly established as consistent top producers of the area, specializing in Lamorinda, Walnut Creek, Alamo and Danville.


Stella Tsakonas
Luxury Property Specialist
DRE #01363574

Stella earned her BA in Marketing and Strategic Planning from the University of Washington and then jumped right into real estate. Extensive construction and renovation experience enables her to quickly spot true potential, as well as recognize problems. A certified Relocation Specialist and an astute negotiator, Stella has completed coursework in real estate law and contracts, home appraisal and finance, and risk management. She often acts as a project manager for homes they prepare to bring to market.


Stephanie Mull
Luxury Property Specialist
DRE #01955633

Stephanie’s BA in Psychology from University of California Santa Barbara emphasizing Applied Psychology keeps her especially in tune with her clients, vendors and other agents. Like her mom, she is a natural people-person: a good listener, an honest communicator and quick to make friends with loyal clients. Stephanie also brings serious tech smarts to the team and naturally employs multiple online platforms in her marketing efforts.


Sabrina Kenney
Executive Assistant

Sabrina earned her BA from Chapman University in Integrated Educational Studies emphasizing in the performing arts. Her major covered many subjects such as sociology, psychology, english literature, leadership and education. These skills factor into Sabrina’s abilities to stay organized, be on top of the calendar, write property descriptions and head digital marketing campaigns. Sabrina brings serious tech smarts to the team, making sure the Stella and Stephanie Real Estate brand and their properties have a loud but professional online presence.


Whether it’s selling a property for the highest possible price, getting the best value on a new home, or winning when there are multiple offers, Stella and Stephanie strive to be in their clients’ real estate lives forever – earning their clients’ ongoing trust, exclusivity and referrals.

Many local charities like Wounded Warrior Project, Humane Society, ASPCA, and Contra Costa Interfaith Housing appreciate the support from these dog lovers. On a rare day off you’ll find them in wine country.

Working with this energetic team you can expect outstanding performance, unrivaled service and extraordinary results.


  • Member of the National Association of Realtors
  • Member of the Contra Costa Board of Realtors
  • Member of the California Association of Realtors
  • Member Employee Relocation Council

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