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Snohomish County, WA

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

Residential building permits · 2015–2025

Housing units authorized (2025): 3,372
Construction valuation (2025): $993,387,779
By structure type (2025): 1-unit 1,909 · 2-unit 54 · 3-4 77 · 5+ 1,332

Units authorized by year

Year	Units	Valuation
2025	3,372	$993,387,779
2024	4,149	$1,295,391,579
2023	3,487	$1,112,579,674
2022	3,101	$863,718,680
2021	5,122	$1,197,020,005
2020	5,780	$1,244,700,131
2019	4,408	$1,007,576,636
2018	4,277	$993,274,779
2017	3,725	$947,186,979
2016	3,925	$990,902,590
2015	3,574	$849,895,334

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.