Ada County, ID Parcels & GIS Data
Ada County, ID parcel data: 217,760 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.
Land Records publishes Ada County, Idaho parcel data covering 217,760 property records.
This page documents parcel-level coverage for Ada County, Idaho. Each parcel record carries its boundary polygon (GIS geometry) along with attributes such as the parcel ID/APN, owner name and mailing address, situs (property) address, assessed land and improvement values, acreage, land-use and zoning codes, year built, and most recent sale price and date. Exact fill rates for Ada County are listed in the attribute-coverage table below. Preview the data in the interactive explorer, or download the complete Ada County property dataset.
Ada County is located in the southwestern part of Idaho, United States. As of the 2020 census, the county had a population of 494,967, which by 2025 was estimated to have risen to 546,141. Ada County is by far the state's most populous county; it is home to 26.8% of the state's population. The county seat and largest city is Boise, which is also the state capital.
The FIPS code for Ada County is 16001.
Attribute coverage
Ada County contains 217,760 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).
| Column | Coverage | Records populated |
|---|---|---|
lrid | 100% | 217,760 |
parcelid | 99.7% | 217,143 |
parcelid2 | 99.7% | 217,143 |
ogparcelid | <0.1% | 0 |
ogparcelid2 | <0.1% | 0 |
parentid | <0.1% | 0 |
stackid | <0.1% | 0 |
geoid | 100% | 217,760 |
statefp | 100% | 217,760 |
countyfp | 100% | 217,760 |
countyname | 100% | 217,760 |
cousubfp | 100% | 217,760 |
cousubname | 100% | 217,760 |
tractce | 100% | 217,760 |
tractname | 100% | 217,760 |
taxacctnum | <0.1% | 0 |
taxyear | 99.7% | 217,143 |
taxdistrict | <0.1% | 0 |
usecode | <0.1% | 2 |
usedesc | <0.1% | 2 |
zoningcode | 99.7% | 217,138 |
zoningdesc | <0.1% | 0 |
numbldgs | 79.1% | 172,185 |
numunits | 67.1% | 146,188 |
yearbuilt | <0.1% | 0 |
numfloors | 67.1% | 146,188 |
bldgsqft | <0.1% | 0 |
bedrooms | <0.1% | 0 |
halfbaths | <0.1% | 0 |
fullbaths | <0.1% | 0 |
imprvalue | 87.5% | 190,521 |
landvalue | 87.5% | 190,521 |
agvalue | 87.5% | 190,521 |
totalvalue | 96.4% | 209,862 |
taxacres | <0.1% | 0 |
calcarea | 100% | 217,760 |
saleamt | <0.1% | 0 |
saledate | <0.1% | 0 |
ownertype | <0.1% | 0 |
ownername | 54.3% | 118,203 |
owneraddr | 99.6% | 216,956 |
ownercity | <0.1% | 0 |
ownerstate | <0.1% | 0 |
ownerzip | <0.1% | 0 |
parceladdr | 91.8% | 199,982 |
parcelcity | 0.1% | 198 |
parcelstate | 99.7% | 217,143 |
parcelzip | <0.1% | 7 |
legaldesc | 99.7% | 217,138 |
township | 92.2% | 200,780 |
section | 92.2% | 200,780 |
qtrsection | <0.1% | 0 |
range | 92.2% | 200,780 |
plssdesc | 92.2% | 200,780 |
book | <0.1% | 0 |
page | <0.1% | 0 |
parceltype | 1.1% | 2,441 |
accesstype | 1.1% | 2,441 |
iucnclass | 0.6% | 1,306 |
placename | 1.6% | 3,545 |
placetype | 1.1% | 2,441 |
firmid | <0.1% | 0 |
firmdate | <0.1% | 0 |
fldzone | <0.1% | 0 |
zonesubty | <0.1% | 0 |
staticbfe | <0.1% | 0 |
elevmin | 0.7% | 1,614 |
elevmax | 0.7% | 1,614 |
elevavg | 0.7% | 1,614 |
fireplaces | <0.1% | 0 |
heating | <0.1% | 0 |
heatfuel | <0.1% | 0 |
cooling | <0.1% | 0 |
foundation | <0.1% | 0 |
roofcover | <0.1% | 0 |
siding | <0.1% | 0 |
updated | 100% | 217,760 |
centroidx | 100% | 217,760 |
centroidy | 100% | 217,760 |
surfpointx | 100% | 217,760 |
surfpointy | 100% | 217,760 |
geom | 100% | 217,760 |
lrversion | 100% | 217,760 |
Neighboring counties
Parcel data for counties bordering Ada County: