St. Louis County, Missouri
Pasadena Hills is a city in St. Louis County, Missouri. Pasadena Hills adopts its own zoning, so inside its limits Pasadena Hills’s rules apply, not the county’s. 3 rules below are quoted from official sources and independently re-checked, most recently on October 23, 2026. Rules for unincorporated land are on the St. Louis County page.
Building, existing building, residential, mechanical, property maintenance, plumbing and electrical construction inside Pasadena Hills city
building code edition: 2009 ICC building code (as amended by St. Louis County through the last amendatory ordinance) · electrical code edition: 2008 National Electrical Code
“are hereby adopted as the: 1. building, 2. existing building, 3. residential, 4. mechanical, 5. property maintenance, 6. plumbing, 7. electrical codes of the city of pasadena hills, saint louis county, missouri, as if fully set out herein.”
Land inside Pasadena Hills city limits. The city's code contains Title IV Land Use, Chapter 405 Zoning Regulations, which sets district regulations, a board of adjustment, certificates of occupancy and enforcement.
“chapter 405 zoning regulations article i general provisions section 405.010 definitions.”
Zoning districts inside Pasadena Hills city limits
“section 405.060 "a" single-family residence district. section 405.070 "b" two-family and multiple-family residence district.”
We looked and could not find an official answer yet. Silence is not permission; ask Pasadena Hills or St. Louis County directly.
Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.
Unanswered questions are usually a sign that Pasadena Hills publishes no rule on the point, not that none exists. St. Louis County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Pasadena Hills means bringing your own water and power. The kit we’d start with:
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