About CATHY SOMMERVILLE

CATHY

Agent Details

Meet CATHY

Cathy brings nearly three decades of Bay Area real estate leadership to Vantage, serving clients across San Francisco, Marin, and the Wine Country. Her career includes senior leadership roles as Branch Manager at Coldwell Banker San Francisco, VP and Managing Officer at Intero Real Estate, and Broker Manager in Silicon Valley, where she led offices of more than 130 agents.

A two-term Director of the San Francisco Association of REALTORS® and former California Association of REALTORS® State Director, Cathy is also a six-year contributor to C.A.R.'s WomanUP! initiative, a TEDx speaker, and a dedicated mentor to women in the industry.

Known for her deep market knowledge, steady counsel, and genuine care for her clients, Cathy guides buyers and sellers through every stage of the journey — with clarity, experience, and heart.

Our Team Accolades

100
2025 & 2026 Leading 100 Top Performers in Bay Area Real Estate
#1
2025 Real Trends large team in SF by average sales price per transaction
#3
2025 Real Trends large team in SF by sales volume
$250M+
Transaction Volume YTD
0.1%
In California and nationwide, Real Trends verified
$600M+
Transaction Volume Since Our Founding in March 2023

Work With Us

Vantage clients have enjoyed remarkable success when buying and selling San Francisco homes, condos, multi-unit properties and investments.

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