# Mortgage 1 amount

Measures the amount of an individual's first mortgage. Draws from observed loan records when available, falling back to a modeled estimate based on household and geographic data.

- API name: `mortgage_1_amount`
- Category: Financial
- Type · unit: Integer · USD
- Addresses with a value: 82.7M (69.0%)
- Latest collection: Oct 1, 2026, refreshed monthly
- How values combine: Uses the first available of up to 2 source fields, in priority order.
- Middle 50% of values: 108,878 to 305,621 USD
- Derivations:
  - Modeled — the attribute is calculated using an algorithm that takes known records as input.
  - Observed — the attribute is directly observed.

## Links

- [Catalog page](/catalog/v2/mortgage_1_amount)
- [Published statistics (JSON)](https://static.faraday.ai/figv2/mortgage_1_amount.json)
- [API reference](/docs/reference/getattribute)