Federal Data Hub › Census Building Permits · JSON

Baltimore County, MD

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

Residential building permits · 2015–2025

Housing units authorized (2025): 1,531
Construction valuation (2025): $335,805,685
By structure type (2025): 1-unit 1,152 · 2-unit 0 · 3-4 0 · 5+ 379

Units authorized by year

Year	Units	Valuation
2025	1,531	$335,805,685
2024	1,511	$416,523,273
2023	1,673	$395,467,436
2022	335	$79,399,726
2021	986	$232,772,259
2020	1,447	$326,528,257
2019	1,417	$268,537,500
2018	2,107	$387,842,921
2017	1,376	$289,119,810
2016	1,293	$237,170,109
2015	1,312	$221,602,721

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.