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Montgomery County, MD

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

Residential building permits · 2015–2025

Housing units authorized (2025): 1,411
Construction valuation (2025): $272,105,791
By structure type (2025): 1-unit 804 · 2-unit 48 · 3-4 0 · 5+ 559

Units authorized by year

Year	Units	Valuation
2025	1,411	$272,105,791
2024	3,656	$900,651,200
2023	2,860	$796,110,404
2022	4,237	$749,421,729
2021	1,857	$300,290,516
2020	1,486	$326,527,047
2019	3,225	$647,108,490
2018	1,947	$371,593,142
2017	1,637	$385,024,215
2016	2,170	$424,990,338
2015	2,080	$445,837,576

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.