Federal Data HubCensus Building Permits · JSON

Washtenaw County, MI

Residential building permits · 2015–2025

Housing units authorized (2025)
1,088
Construction valuation (2025)
$440,925,894
By structure type (2025)
1-unit 532 · 2-unit 6 · 3-4 16 · 5+ 534

Units authorized by year

YearUnitsValuation
20251,088$440,925,894
20241,193$588,833,388
20231,597$595,921,155
2022656$207,966,804
2021916$259,769,189
20201,065$239,097,052
2019815$194,062,610
2018805$193,829,773
2017657$164,938,036
2016438$114,637,848
2015420$104,777,598

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.