Source
FRED Freddie Mac PMMS · vintage 2026 · refresh cadence: weekly
Drives all loan calculations.
Direction of better
Lower values are better. Used to rank candidate towns/properties; lower score = stronger fit.
Unit
Values are reported in percent.
Where the data lives
Tables: mortgage_rates
Columns: rate_30yr
Input field: [computed]
JSON-LD example
Every value emitted by ValiFit (in /api/v1, MCP responses, on-page JSON-LD) carries a propertyID set to this metric_id, so AI clients can resolve it back here in one round-trip.
{
"@type": "PropertyValue",
"propertyID": "geo.mortgage_rate_30yr",
"name": "National Mortgage Rate (30yr)",
"value": 12.4,
"unitText": "percent",
"additionalProperty": [
{
"@type": "PropertyValue",
"name": "composite",
"value": "Geo"
},
{
"@type": "PropertyValue",
"name": "level",
"value": "country"
},
{
"@type": "PropertyValue",
"name": "direction",
"value": "lower_better"
},
{
"@type": "PropertyValue",
"name": "source_year",
"value": "2026"
},
{
"@type": "PropertyValue",
"name": "fha_safe",
"value": true
}
],
"valueReference": {
"@type": "QuantitativeValue",
"additionalType": "https://valifit.com/catalog/metric",
"identifier": "geo.mortgage_rate_30yr",
"sameAs": "FRED Freddie Mac PMMS"
},
"mentions": [
{
"@type": "Dataset",
"@id": "https://valifit.com/sources/freddie-pmms-mortgage-rates",
"identifier": "FREDDIE_PMMS",
"name": "Freddie Mac Primary Mortgage Market Survey",
"url": "https://www.freddiemac.com/pmms",
"sameAs": "https://www.freddiemac.com/pmms",
"creator": {
"@type": "Organization",
"name": "Freddie Mac"
},
"temporalCoverage": "weekly",
"dateModified": "2026-05-07"
}
]
}For programmatic access
GET /api/v1/catalog/metrics?id=geo.mortgage_rate_30yr
MCP tool: get_catalog with id="geo.mortgage_rate_30yr"