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Ada County, ID

Name: Building Permits — Ada County, ID
License: https://creativecommons.org/publicdomain/zero/1.0/

Residential building permits · 2015–2025

Housing units authorized (2025): 5,221
Construction valuation (2025): $1,545,080,087
By structure type (2025): 1-unit 4,637 · 2-unit 32 · 3-4 24 · 5+ 528

Units authorized by year

Year	Units	Valuation
2025	5,221	$1,545,080,087
2024	5,137	$1,499,954,461
2023	6,089	$1,599,250,043
2022	6,530	$1,553,894,695
2021	7,487	$1,925,076,700
2020	6,060	$1,576,191,702
2019	7,048	$1,555,639,759
2018	6,406	$1,439,490,136
2017	5,942	$1,309,088,692
2016	4,697	$1,056,832,135
2015	4,241	$905,705,227

The Census Building Permits Survey counts new privately-owned housing units authorized by building permits — a leading indicator of housing supply. "1-unit" is single-family; "5+ units" is larger multifamily. Figures are imputation-adjusted to cover permit offices that did not report.

Source: Census Building Permits Survey. License: CC0 1.0.