Federal Data HubCensus Building Permits · JSON

Mason County, WA

Residential building permits · 2015–2025

Housing units authorized (2025)
204
Construction valuation (2025)
$72,109,897
By structure type (2025)
1-unit 200 · 2-unit 4 · 3-4 0 · 5+ 0

Units authorized by year

YearUnitsValuation
2025204$72,109,897
2024299$96,342,037
2023265$83,340,875
2022240$71,447,277
2021458$100,577,114
2020305$78,815,418
2019293$74,403,907
2018276$66,754,351
2017212$51,558,235
2016166$44,737,935
2015111$43,757,765

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.