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Mercer County, NJ

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

Residential building permits · 2015–2025

Housing units authorized (2025): 1,164
Construction valuation (2025): $220,872,201
By structure type (2025): 1-unit 805 · 2-unit 8 · 3-4 11 · 5+ 340

Units authorized by year

Year	Units	Valuation
2025	1,164	$220,872,201
2024	2,026	$347,204,567
2023	969	$127,033,665
2022	643	$49,738,788
2021	544	$53,328,304
2020	832	$115,256,126
2019	538	$52,639,959
2018	501	$54,986,755
2017	605	$84,976,521
2016	711	$81,894,231
2015	896	$107,633,846

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.