Over two decades of trusted service across Contra Costa County — built on integrity, knowledge, and genuine care.
Christine Geddes-Sinclaire has been a cornerstone of the Contra Costa County real estate community for over 20 years. As a Realtor® with Dudum Real Estate Group, one of the Bay Area's most respected independent brokerages, Christine brings unmatched local expertise to every transaction, from Walnut Creek to Clayton, Concord to Danville, and every community in between.
Christine's approach is simple: treat every client like family. Whether you are a first-time buyer navigating a competitive market, or a seasoned homeowner looking to maximize your equity, Christine delivers the same unwavering commitment — thorough, honest, and deeply personal service.
"The difference between ordinary and extraordinary is that little extra." This is not just a motto: it is how Christine shows up every day, in every neighborhood across the county.
Over more than two decades, Christine has built relationships and closed transactions throughout Contra Costa County, including Walnut Creek, Clayton's Dana Hills, Oakhurst and Regency Woods, Concord, Pleasant Hill, Danville, and Martinez. Her clients consistently return, and refer their friends and family, because the experience she delivers is simply different.
Years Experience
Homes Sold
Client Satisfaction
County-Wide Coverage


DRE# 01425653 · 925.286.7593
Honest guidance and ethical business practices — always. Your trust is my most valued asset.
Deep local knowledge across Contra Costa County, current market data, and experience navigating every type of transaction.
Your goals drive every decision. I take time to understand what matters most to you, wherever you are located.
Prompt communication, clear updates, and no guessing games throughout your transaction.
Christine is always happy to chat — whether you are ready to make a move or just starting to explore your options, anywhere in Contra Costa County.

DRE# 01425653

1148 Alpine Road, Suite 100
Walnut Creek, CA 94596
© 2025 Christine Geddes-Sinclaire Real Estate. All rights reserved. Content deemed reliable but not guaranteed. Privacy Policy