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Napa Wine Country War: Stanly Ranch Developers Slam Investors In $100 Million Showdown

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Published on March 11, 2026
Napa Wine Country War: Stanly Ranch Developers Slam Investors In $100 Million ShowdownSource: Google Street View

Stanly Ranch, the Auberge Resorts branded wellness retreat and luxury home enclave in Napa’s Carneros region, is now the backdrop for a legal fight with a nine-figure price tag. The developers filed a $100 million lawsuit last Friday, accusing key financial partners of sabotaging home sales and nudging the high end project toward foreclosure. The complaint, filed in New York State Supreme Court, targets GA Development Napa Valley LP, Mandrake Capital Partners LLC and investor Benjamin Haefele.

What the complaint alleges

According to the Napa Valley Register, Nichols Partnership and Stanly Ranch Resort Napa LLC are seeking damages they say exceed $100 million, plus other relief. The suit claims the defendants negotiated to buy a roughly $235 million loan at a discount in order to take control of the development. It also says a foreclosure sale, currently postponed, is still looming.

Developers' account

Nichols Partnership attorney Glen Summers told the Napa Valley Register that the investors’ actions left the firm "with no other choice" but to sue. The complaint zeroes in on a 2022 pricing decision that boosted planned home prices from about $3.66 million to roughly $4.79 million per unit, about a $1.13 million increase. Developers say that jump scared off around 60 potential buyers, a serious blow in a niche luxury market.

Loan, lender and foreclosure risk

The project was originally financed with a roughly $235 million loan arranged by Mack Real Estate Credit Strategies, as reported by Commercial Observer. Public records and county filings had already flagged trouble, with a notice of default filed and the property put at risk of auction, the San Francisco Chronicle reported.

What's at stake and the local context

Stanly Ranch opened in April 2022 as an Auberge Resorts Collection property on more than 700 acres in the Carneros area. The master plan calls for a 135-room resort, 70 vineyard homes, 40 villas, and 72 cottages, according to materials from the Nichols Partnership. Hoodline previously tracked the resort’s money troubles and a foreclosure meltdown last October, a rapid reversal for a property that launched as a glossy wellness escape, per Hoodline.

Legal snapshot

The case is a civil lawsuit that seeks damages and other relief tied to alleged interference, mismanagement and improper conduct related to the loan. A related filing seeks roughly $780,000 in unpaid development fees. The defendants have not yet publicly identified counsel or responded in the New York court. How this plays out will largely hinge on the contracts, whether investor actions crossed legal lines and what turns up in discovery.

What to watch next

Key developments to track include any initial responses from the defendants, potential moves by the lender to restart foreclosure proceedings and whether the plaintiffs push for expedited relief. For now, public court filings and county land records will offer the clearest window into how this high-profile dispute evolves from complaint to full-blown discovery.