Loan Estimate Tool
// Mortgage Planning / Fintech
https://www.loanestimatetool.com/
The Technical Overhaul
A mortgage planning app built around ZIP-level property tax and insurance estimates, reactive payment modeling, and clear loan breakdowns for buyers comparing scenarios.
ZIP-Level Cost Estimates
Uses generated tax and insurance datasets to replace broad national defaults with ZIP-based estimates inside the calculator flow.
Reactive Mortgage Modeling
Calculates principal, monthly payment totals, and full amortization schedules as buyers adjust purchase price, down payment, rate, term, HOA, and closing inputs.
Charts, PDF, And Data Scripts
Includes chart views, amortization PDF export, and utility scripts for generating ZIP-based property tax and insurance source data.
Key Contributions
ZIP-level property tax and insurance estimates
Reactive mortgage payment and amortization calculations
Chart-based loan breakdowns and balance views
PDF export and supporting data-generation scripts