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Sonoma County, CA

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

Residential building permits · 2015–2025

Housing units authorized (2025): 1,690
Construction valuation (2025): $422,896,483
By structure type (2025): 1-unit 790 · 2-unit 0 · 3-4 8 · 5+ 892

Units authorized by year

Year	Units	Valuation
2025	1,690	$422,896,483
2024	1,012	$293,762,673
2023	2,353	$590,603,857
2022	2,264	$595,165,685
2021	2,618	$709,704,264
2020	1,395	$403,557,849
2019	2,429	$753,853,536
2018	3,279	$1,065,855,462
2017	1,178	$270,804,979
2016	919	$188,186,062
2015	621	$146,363,310

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.