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Alameda County, CA

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

Residential building permits · 2015–2025

Housing units authorized (2025): 2,778
Construction valuation (2025): $828,595,616
By structure type (2025): 1-unit 1,117 · 2-unit 40 · 3-4 17 · 5+ 1,604

Units authorized by year

Year	Units	Valuation
2025	2,778	$828,595,616
2024	1,743	$469,802,380
2023	2,884	$771,266,437
2022	5,076	$1,054,688,504
2021	5,025	$1,267,192,200
2020	4,120	$1,157,616,092
2019	6,402	$1,485,707,291
2018	8,056	$2,034,825,812
2017	9,258	$2,335,440,977
2016	5,692	$1,460,017,786
2015	5,101	$1,186,659,834

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.