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St. Louis County, MO

Name: Building Permits — St. Louis County, MO
License: https://creativecommons.org/publicdomain/zero/1.0/

Residential building permits · 2015–2025

Housing units authorized (2025): 957
Construction valuation (2025): $438,900,344
By structure type (2025): 1-unit 496 · 2-unit 2 · 3-4 3 · 5+ 456

Units authorized by year

Year	Units	Valuation
2025	957	$438,900,344
2024	1,193	$547,004,217
2023	1,153	$487,212,422
2022	1,777	$581,614,132
2021	1,034	$430,147,731
2020	1,232	$430,183,161
2019	1,185	$421,472,532
2018	1,136	$400,156,217
2017	1,484	$479,346,049
2016	1,635	$478,129,100
2015	2,234	$576,372,843

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.