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Castlelake buys majority of Resfin Partners to deepen residential loan access

April 22, 2026 at 5:29 PM Flávia Furlan Nunes, HousingWire Automation HousingWire

Asset manager Castlelake has acquired a majority ownership stake in Resfin Partners, the parent company of mortgage correspondent business Eastview and lender to residential real estate investor Lendmarq, the firm announced on Wednesday.

Over a multiyear relationship, Castlelake has acquired more than 4,000 senior structured loans from Eastview and Lendmarq, representing more than $2 billion in funded volume, according to the announcement. 

Those loans have included residential transition loans (RTLs), single-family rental/debt-service-coverage ratio (DSCR) loans, ground-up construction loans and multifamily bridge loans. Terms of the transaction were not disclosed.

“This investment strengthens our residential mortgage finance platform and deepens a relationship with Eastview and Lendmarq that is built on a strict, shared focus on asset quality and value,” said Lucas Jackson, head of North American residential mortgage finance at Castlelake. 

The acquisition underscores how the company is moving closer to the point of origination in business-purpose and investor-focused residential lending. By shifting from a loan buyer to a majority owner of key sourcing platforms, Castlelake can gain earlier visibility into credit quality and pipeline volume while potentially lower its cost to access these assets. 

Meanwhile, Eastview and Lendmarq, now backed by a $36 billion asset manager, have more stable liquidity and execution. Founded in 2005, Castlelake already holds ownership stakes in four other sourcing platforms across specialty finance and aviation finance.

“We look forward to partnering with Eastview and Lendmarq’s leadership teams to support disciplined growth, expand origination capabilities, and continue serving borrowers and investors across the residential real estate market,’ Jackson said. 

Flávia Furlan Nunes reported and wrote this article with drafting assistance from HousingWire Automation, an editorial tool that helps transform announcements and industry data into HousingWire-style news coverage.

Originally reported by HousingWire.
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