Parcel-level assessed values, ownership, transfers, and tax lien filings. Query by APN, owner, jurisdiction, or assessment change threshold.
Parcels
154M
Values, ownership, transfers, liens
History
16yrs
3,000+ counties on one schema
New records
~2.1M/wk
Assessment + transfer updates
Freshness
Weekly
JSON · Public · included in subscription
Volume figures are illustrative placeholders until the coverage audit publishes.
qstringFree-text search over record fields
jurisdictionstringState, county, agency, or venue code
since / untilISO dateFiling or event date window
limitnumberMax records per response (default 25, max 500)
Shared parameters shown; the tool's full input schema is served by the MCP server at connection time.
{
"tool": "property.assessor",
"params": {
"q": "assessment change over 20 percent",
"since": "2026-01-01",
"limit": 25
}
}| Field | Type | Description |
|---|---|---|
| apn | string | Assessor parcel number |
| jurisdiction | string | County |
| owner | string | Owner of record |
| assessed_value_usd | number | Current assessed value |
| land_use | string | Assessor land-use code |
| transfer_date | ISO date | Last transfer |
| lien_status | string | none | tax_lien |
| updated_at | ISO date | Record update date |
{
"apn": "217-08-114",
"jurisdiction": "MARICOPA COUNTY, AZ",
"owner": "EXAMPLE HOLDINGS LLC",
"assessed_value_usd": 1240300,
"land_use": "industrial",
"transfer_date": "2025-11-14",
"lien_status": "none",
"updated_at": "2026-07-05"
}permits.search
Building permit applications and issuances normalized across county and municipal systems — valuation, contractor, square footage, and permit class in one schema.
3,100+ issuing jurisdictions
permits.datacenter
Permit, rezoning, and utility filings classified as data-center activity, with megawatt and square-footage extraction. See capacity announcements before the press release.
Hyperscale + colo filings · 50 states
permits.evcharging
Electrical and site permits classified as EV charging installations, tagged by charger class, site host type, and network operator where disclosed.
L2 + DCFC installs · 40 states