Ada County, ID

Ada County is located in the Southwest region of Idaho. The 2020 Census lists Ada County's population as 494,967. Our latest data shows that Ada County platted 4351 New Residential Subdivision Lots in 2024. See the table to the right for the information landproDATA.com maintains in Ada County.

Data Type Features
Parcels219,616Total
Record Of Survey15,193Total
CPF8,461Total
Subdivisions7,580Total
Developments706Active
-Entitlement Lots7,393Active
-Approved Lots19,769Active
-Final Lots7,403Active
Building Permits3,879YTD
Vacant Lots6,142Buildable
Instruments4,998,287Total
News161,366Total

Newsletter and latest features:

Subdivisions

LAMP DISTRICT SUBDIVISION
2025-10-06
SOLDIER PLACE SUBDIVISON
2025-10-06
CARRARA ESTATES SUBDIVISION NO 2
2025-09-25
STARRY NIGHT SUBDIVISION
2025-09-25
APEX NORTHWEST SUBDIVISION NO 5
2025-09-25

Developments

H-2015-0026: CITADEL STORAGE AT TEN MILE
2025-11-20
H-2017-0068: Sky Mesa Subdivision
2025-11-20
FP-2025-0017: Pickleball Court Subdivision
2025-11-20
FP-2025-0007: Reveille Ridge Subdivision No 1
2025-11-20
H-2025-0019: Gramercy Townhomes
2025-11-19

News

Ada County Assessor Street Name Review
2035-01-22
Meridian Historic Preservation Commission Agenda
2025-08-28
Meridian Historic Preservation Commission Agenda Packet
2025-08-28
Boise Hearing Examiner Agenda Packet
2025-08-27
McAlister
2025-05-01

Building Permits

255595: New Construction
2025-11-07
256035: New Construction
2025-11-07
255820: New Construction
2025-11-07
255706: New Construction
2025-11-07
255697: New Construction
2025-11-07

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