Mortgage Tech Firms Secured Major Funding Rounds
New AI investments aim to automate mortgage tasks for borrowers and lenders across the country.
Updated on Sept. 21, 2026 in Residential
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Kastle raised $24 million in Series A funding, while Celligence secured $100 million for its AngelAi platform. These investments highlight a push to shift routine mortgage operations from human staff to AI agents.
Why it matters
Lenders currently dedicate 65% of their total costs to labor, creating a massive incentive to automate functions like application processing and servicing. Technology that streamlines these tasks could fundamentally change how families interact with their mortgage providers.
Kastle secured $24 million in its Series A round, while Celligence received $100 million for its AngelAi platform. Industry data shows lenders often spend 65% of costs on labor, with quality control costing $300 to $400 per file.
The players
Kastle
A San Francisco-based firm that creates AI conversational agents for the financial sector.
Celligence
An affiliate of Sun West Mortgage that operates the AngelAi borrower guidance platform.
New American Funding
A national mortgage lender that has adopted AI-powered agents to manage borrower services.
Carrington Mortgage Services
A national mortgage servicer and lender that partnered with Kastle for AI-driven operations.
Insight Partners
A global venture capital and private equity firm that led the recent investment round for Kastle.
The details
Kastle deploys AI agents that integrate directly into existing financial systems, allowing chatbots to handle borrower interactions. AngelAi utilizes language models to manage the entire loan lifecycle, from initial application through ongoing servicing. By replacing human-managed routine functions, these systems aim to lower the high overhead costs currently embedded in the mortgage lending process.
Timeline
Kastle launched in 2024.
New American Funding reached an agreement to use Kastle agents in Summer 2026.
Kastle announced its $24 million Series A funding in mid-September 2026.
The Home Front
The push to automate the mortgage lifecycle follows long-standing industry trends toward reducing the high labor costs inherent in human-serviced loans. By shifting routine tasks to AI, firms are attempting to lower the operational overhead that eventually impacts the cost of securing a home loan.
Homeowners should be aware that their next mortgage application or servicing interaction may involve AI chatbots rather than traditional loan officers. Monitor your loan documents for details on how your lender manages automated data processing for your specific account.
The takeaway
The move toward AI in mortgage lending is designed to cut human labor expenses that currently dominate the cost of securing a loan. If you are shopping for a mortgage, check whether your lender uses automated agents and ensure you have a human point of contact for complex financial questions.
Further reading
Learn more about the latest innovations in home finance at the Residential section.
Source note: This article includes information reported by National Mortgage News.
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