Federal Data HubCensus Building Permits · JSON

Suffolk County, NY

Residential building permits · 2015–2025

Housing units authorized (2025)
1,399
Construction valuation (2025)
$1,017,013,434
By structure type (2025)
1-unit 1,094 · 2-unit 0 · 3-4 18 · 5+ 287

Units authorized by year

YearUnitsValuation
20251,399$1,017,013,434
20241,407$914,104,542
20231,220$883,390,385
20221,492$1,048,212,030
20211,459$995,961,917
2020590$501,650,701
2019777$558,291,616
20181,002$585,410,113
20171,138$639,240,494
20161,055$650,567,896
20151,218$690,849,055

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.