Other
The company says its automated quote flow is paused and instructs borrowers to email contact@chestnutmortgage.com for assistance.
SourceCompany research
Public company, workplace, funding, and market signals
Updated Jul 29, 2026
Overview
Chestnut (Chestnut Mortgage, trade name of Detta, Inc.) is an AI-powered mortgage lender and brokerage that automates rate shopping, document review, and loan processing to offer faster closings and lower borrower rates; it is licensed in Texas and Colorado and provides a dedicated human loan expert alongside AI-driven workflows.
Primary product
AI-powered mortgage lending and rate-shopping platform
Founded
2025
Headquarters
Austin, Texas, United States
Team size
1-10
Work style
Onsite
Industry
Financial Services
Sub-industry
AI mortgage lending / mortgage brokerage
Offices
Austin, Texas (HQ)
San Francisco, CA 94114 (2261 Market St STE 86346)
Denver, Colorado
Business model
mortgage lending
mortgage brokerage
home refinancing
home equity lending
AI-driven loan origination automation
Funding
Stage
Pre-Seed
Total raised
$500K
Latest round
Pre-Seed · Jul 2025
Latest amount
$500K
Jul 2025 · Y Combinator
People & investors
Leadership
CEO & Founder
Work & culture
High-focus, high-growth, in-person team culture; the job posts emphasize strong execution, role-modeling, recruiting, and a bias toward people who want to build companies someday.
Work style
Onsite
Visa sponsorship
No
Compensation
Public software-engineer posting shows $100K-$200K+ cash compensation plus 0.5%-3.0%+ equity.
Benefits
healthcare
vision
dental
meals
gym access (Dogpatch Boulders)
commute costs
laptop
custom workstation
Product & market
Pricing
Quoted mortgage rates via a broker/lender model; public messaging says lower operating costs are passed through as roughly 0.5% lower borrower rates.
Differentiators
- —AI automates most mortgage operations
- —instant quotes in under 2 minutes
- —rate comparison across 100+ lenders
- —dedicated loan expert instead of a call center
- —typical closings in 2-3 weeks
- —soft-pull-first workflow for pre-approval
- —licensed in Texas and Colorado
Technology
TypeScript
React
Node
GraphQL
Apollo
Prisma
Render
Postgres
Redis
Retell
Google Gemini
OpenAI
Customers
homebuyers in Texas and Colorado
borrowers seeking purchase mortgages
borrowers seeking refinances
borrowers seeking cash-out loans
borrowers seeking home equity loans
borrowers seeking HELOCs
Competitors
Rocket Mortgage
Ally Home
Better
Wells Fargo
Chase
Bank of America
Citi
traditional banks and mortgage lenders
Scale & contact
Estimated revenue
≈$220K annual revenue (estimated ARR)
Estimated monthly visits
1.1K
Signals & risks
Latest news
Chestnut · May 2026
Argues that waiting a year can cost homebuyers meaningful rent, appreciation, and equity opportunity costs, using 2026 market data and forecasts.
Chestnut · Nov 2025
Discusses current mortgage rate conditions and positions Chestnut’s AI tools as a way to secure lower rates and faster pre-approval.
Chestnut · Oct 2025
Claims Chestnut’s AI consistently delivers about a 0.50 percentage-point rate advantage versus market averages and highlights example borrower savings.
Chestnut · Aug 2025
Benchmarks Chestnut against Rocket Mortgage and Ally Home on speed, rates, fees, and service, positioning Chestnut as the faster AI-first broker.
Y Combinator · May 2025
Launch announcement for Chestnut, describing it as the first AI mortgage lender, backed by YC, focused on automated rate shopping and AI-driven mortgage operations.
Jobs and careers at Chestnut
4 jobs at Chestnut
Software Engineer (Staff-Level)
Remote
Engineering
San Francisco
1y ago
Remote
Full-time
Software Engineer (Senior-Level)
Remote
Engineering
San Francisco
1y ago
Remote
Full-time
Software Engineer (Mid-Level)
Remote
Engineering
San Francisco
1y ago
Remote
Full-time
Product & Commercial Lead
Remote
Product
Remote
1y ago
Remote
Full-time