- Parcels
- 227,701
- County FIPS
- 08059
- Snapshot
- October 30, 2026
What property data is available for Jefferson County?
| Dataset | Jefferson County |
|---|---|
| Parcel boundaries | 227,701 parcels |
| Tax assessor records | 229,079 records (100% of parcels) |
| Owner name and mailing address | 100% of assessor records |
| Market or assessed value | 100% of assessor records |
| Year built | 0% of assessor records |
| Last sale date | 0% of assessor records |
| Building permits | 365,284 permits since 2004, latest October 29, 2026 |
| Roofing permits | 128,976 |
| Zoning | 5 zoning jurisdictions |
| Buildable-area screens | Yes |
| Historic designations | 85 |
| Adopted building codes | 6 jurisdictions |
| Hail history (radar) | Yes, every county in the contiguous US |
How do I query Jefferson County property data?
Bulk-search every parcel in the county with `search_properties` using `state: "CO"` and `county: "059"` (the county FIPS code 08059), or look up one address with `search_parcels`. Check any single property for free with `check_availability`.
{
"name": "count_properties",
"arguments": { "state": "CO", "county": "059" }
}Frequently asked questions
How do I find who owns a property in Jefferson County?
Search the address on the Jefferson County assessor's website, or query Parceled's `search_parcels` for owner name and mailing address. See how to find a property owner by address.