Wine Country, known from the inside.
A fifth-generation Napa and Sonoma native with a luxury hospitality pedigree and real estate technology focus, Dex partners with Ginger Martin to advise private clients in acquiring and selling elite estates.
"I believe my clients deserve insider intelligence and a seamless operating system, preserving relationship trust first."
How Dex works
Traditional roots. Modern intelligence.
A structured, data-driven approach to Wine Country property representation.
We aggregate
Dex OS compiles off-market vineyard assets, MLS records, municipal wells/water records, and agricultural soil indexes daily.
We analyze
We synthesize raw properties and local microclimate trends into clean leverage scores, soil yield analysis, and equity valuations.
We advise
Through the private client portal and personal consultation, Dex coordinates showing route optimizations, offers, and transaction timelines.
The Partnership
Dex Hoelle + Ginger Martin Co.
Dex leverages advanced workflow automation and localized predictive data, operating in alignment with Ginger Martin's legacy luxury real estate brand.
Intellectual Rigor
Where our Wine Country data comes from.
Transparent sources powering Dex OS and market reports.
Sotheby's International Realty & MLS Network
Real-time active, pending, off-market, and sold data aggregated across Napa, Sonoma, and San Francisco MLS boards.
California Department of Water Resources
Well yields, groundwater monitoring, and local basin telemetry—critical for vineyard and estate ownership.
County Assessor & Registry Offices
Napa and Sonoma county parcel registries, historical transfers, and tax assessments.
Agricultural & Climate Telemetry
Local AVA microclimate monitors, soil type maps, and topography models.
Ready to explore Wine Country off-market?
Apply for a private client account and get exclusive access to Dex OS.