# US Mortgage Calculator (usmortgagecalc.com)

Estimates monthly mortgage payments, including principal, interest, taxes, insurance, PMI and HOA, using state-level property tax assumptions.

- Atlas card: https://inite.ai/en/atlas/usmortgagecalc.com
- Site: https://usmortgagecalc.com
- For: Homebuyers and borrowers estimating monthly housing costs across US states before making an offer
- Categories: finance
- Use 0/100 · alive 100/100

## Used for

- Estimate monthly PITI for a home purchase
- Compare 15 and 30 year mortgage costs
- See how extra principal payments shorten a loan

## Price

- no price printed, no free plan (read 2026-10-16 on https://usmortgagecalc.com/#pricing)

## For developers

- OpenAPI: https://usmortgagecalc.com/openapi.json (16 paths)
- API docs: https://usmortgagecalc.com/developers
- MCP server: com.usmortgagecalc/mortgage (namespace; open on 2026-10-16, 11 tools)
- Read 2026-10-16

## Your data

- Certifications stated: gdpr, ccpa
- Read 2026-10-16

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Source: INITE Atlas, https://inite.ai/en/atlas/usmortgagecalc.com. JSON: https://inite.ai/api/atlas/usmortgagecalc.com. MCP: https://inite.ai/api/mcp (atlas_lookup).