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Williamson County, TN

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

Residential building permits · 2015–2025

Housing units authorized (2025): 1,621
Construction valuation (2025): $1,161,603,315
By structure type (2025): 1-unit 1,286 · 2-unit 0 · 3-4 12 · 5+ 323

Units authorized by year

Year	Units	Valuation
2025	1,621	$1,161,603,315
2024	1,994	$1,129,530,615
2023	1,432	$1,033,429,018
2022	2,254	$1,220,020,210
2021	2,980	$1,357,661,030
2020	2,284	$956,457,226
2019	2,467	$866,919,957
2018	2,121	$755,997,887
2017	2,859	$882,193,468
2016	2,759	$796,065,407
2015	2,304	$736,172,473

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.