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St. Mary's County, MD

Name: Building Permits — St. Mary's County, MD
License: https://creativecommons.org/publicdomain/zero/1.0/

Residential building permits · 2015–2025

Housing units authorized (2025): 282
Construction valuation (2025): $91,237,932
By structure type (2025): 1-unit 264 · 2-unit 0 · 3-4 8 · 5+ 10

Units authorized by year

Year	Units	Valuation
2025	282	$91,237,932
2024	265	$91,566,894
2023	386	$140,913,395
2022	238	$91,180,192
2021	359	$114,066,961
2020	555	$90,238,292
2019	689	$148,731,674
2018	931	$178,932,489
2017	1,164	$211,106,495
2016	698	$143,497,395
2015	641	$114,960,455

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.