10-11-3 Slope Overlay Zone (OS)
Unofficial copy. It may be out of date. Not legal or zoning advice. Zoning rules change, and only the city or county can say for sure what is allowed on a property. Confirm with the city or county planning department before you buy, sign or build.
The official River Heights code is at https://riverheights.gov/river-heights-city-code/.
Text pulled 2026-10-19 from this source.
Tables (like use tables) may not copy cleanly, so check any table against the official code.
Confirm anything here with River Heights planning before you rely on it.
A. Plans and Engineering Data Requirements: No permit shall be issued for any construction or use in any slope overlay zone (OS) until adequate plans and engineering data are delivered to the city showing that:
1. No building or structure is to be located on any slope of twenty-five degrees (25°) (46%) or greater, nor within thirty feet (30') of any slope falling away at a grade of twenty-five degrees (25°) (46%) or greater; and
2. Adequate provisions have been made using retaining walls, building placement, vegetative cover or other techniques to prevent erosion.
B. Zoning Administrator Approval: All plans submitted will require approval from the zoning administrator prior to a permit being granted. The zoning administrator may request assistance from the city engineer for the reviewing of plans and setting of conditions prior to issuing a permit.
10-11-2 Flood Overlay Zone (OF) · 10-11-4 High Water Table Overlay Zone (OW)