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
Parcels218,132Total
Record Of Survey15,030Total
CPF8,365Total
Subdivisions7,562Total
Developments640Active
-Entitlement Lots7,182Active
-Approved Lots19,608Active
-Final Lots6,348Active
Building Permits2,450YTD
Vacant Lots6,319Buildable
Instruments4,980,029Total
News161,048Total

Newsletter and latest features:

Subdivisions

Prescott Ridge Subdivision No 3
2025-07-30
Driftwood Subdivision
2025-07-30
CALLA LILY CREEK SUBDIVISION
2025-07-30
NORDIC VALLEY SUBDIVISION
2025-07-24
NAISMITH COMMONS SUBDIVISIONS NO 2
2025-07-09

Developments

SUB25-00035: Aubrey Subdivision
2025-07-31
PP-25-01: Milestone Ranch South Subdivision
2025-07-30
PP-24-09: Sorano Estates Subdivision
2025-07-30
PP-24-04: TERRAMOR SUBDIVISION
2025-07-30
PP-24-05: The Quarry at Riverpark Estates Subdivision
2025-07-30

News

Ada County Assessor Street Name Review
2035-01-22
McAlister
2025-05-01
McAlister
2025-05-01
McAlister
2025-05-01
McAlister
2025-05-01

Building Permits

20250992: New Construction
2025-07-25
20251268: New Construction
2025-07-25
20250594: New Construction
2025-07-25
20250724: New Construction
2025-07-25
20251048: New Construction
2025-07-25

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