22+ Years of Experience · 500+ Clients Served · Real Relationships. Real Results.
Years Experience
Homes Sold
Client Reviews
County-Wide Coverage
Years Experience
Clients Served
Client Reviews
County-Wide Coverage
Christine Geddes-Sinclaire is a dedicated Realtor® with Dudum Real Estate Group, bringing more than two decades of experience to clients across Contra Costa County. From Walnut Creek to Clayton, Concord to Danville, Christine's deep market knowledge spans the entire county — because she has been working it, neighborhood by neighborhood, for over 20 years.
Whether you are a first-time buyer navigating a competitive market or an experienced seller seeking top dollar, Christine delivers personalized service built on integrity, knowledge, and results — anywhere in Contra Costa.


DRE# 01425653
A sample of homes Christine has represented across Contra Costa County — from Concord ranchers to Danville hillside estates.






Expert guidance through Contra Costa County's competitive market. I represent your best interests from search to close — anywhere in the county.
Strategic pricing, professional marketing, and expert negotiation to maximize your home's value and minimize stress — wherever you are located.
20+ years building deep relationships and local knowledge across Walnut Creek, Concord, Danville, Pleasant Hill, Martinez, and beyond.
Deep expertise in Clayton's distinctive neighborhoods — Dana Hills, Oakhurst, Regency Woods, and Mitchel Canyon — including its sought-after rancher homes.
Whether you are buying, selling, or simply exploring, Christine is here to help you navigate the Contra Costa County real estate market with confidence.

DRE# 01425653

1148 Alpine Road, Suite 100
Walnut Creek, CA 94596
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