St. Louis County, MO, Residential Tiny Houses Checklist & Guide

February 2023

By: St. Louis County

https://stlouiscountymo.gov/st-louis-county-departments/transportation-and-public-works/public-works-publications-and-manuals/pw-residential-guides/tiny-houses/
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Tiny Houses and Micro-Apartments

This guide explains how St. Louis County, MO, regulates tiny houses. It clarifies that tiny houses must be sited on permanent foundations to be used as residences outside of designated house-trailer parks and includes minimum room area, space, and ceiling height requirements.


St. Louis, MO

2010 Population: 998,954

2010 Population Density: 1,967.22/square mile