The article was originally published on https://sfist.com/2025/09/29/ongoing-wine-country-real-estate-scandal-draws-scrutiny-of-lender-who-financed-accused-fraudster/A new wrinkle in the case of a Sonoma County real estate tycoon accused of bilking nearly 200 investors out of $46 million, as it turns out most of his properties were financed by a single lender, raising questions about what they knew. One of the bigger scandals currently developing up in wine country is the case of Sonoma County developer Kenneth Mattson, who was arrested by the feds in May and charged with a sweeping range of fraudulent real estate deals. Mattson had purchased nearly 90 properties across wine country, but his federal indictment called his real estate empire a “a classic Ponzi scheme,” wherein Mattson allege

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