Building Setbacks & Zoning in Cass County, MO (2026)
3 rules for unincorporated Cass County, Missouri.
Verified from official government sources
Setback Rules
Cass County's Zoning Order sets minimum front, side and rear setbacks by zoning district in unincorporated Cass County. The Agricultural district requires 50-foot front and rear setbacks and 25-foot side setbacks, while urban districts like R-1 scale side and rear setbacks to a percentage of lot width and depth.
Cass County Zoning District Setback Minimums
Some RestrictionsCass County Code § 400.270(D)(2)
Property Line Setbacks. a. Front. Shall have a depth of not less than fifty (50) feet from road right-of-way. b. When lots have frontage on two (2) roads, a front setback shall be required on both roads. c. Side. Shall be a minimum twenty-five (25) feet. d. Rear. Shall be a minimum fifty (50) feet.
Structure Height Limits
In the R-1 Single-Family Residential District, unincorporated Cass County caps a principal home at two and one-half stories and 35 feet at the eave of the uppermost story under Zoning Order § 400.300(D)(1). Accessory buildings are limited to one story and a 14-foot sidewall, or 16 feet with engineered drawings.
R-1 Residential Height Limit, Cass County
Some RestrictionsCass County Code § 400.300(D)(1)
Maximum Height. a. Principal Structure. Two and one-half (2-1/2) stories from finished grade, not to exceed thirty-five (35) feet at the eave of the uppermost story. b. Accessory Buildings. One (1) story with a maximum sidewall height of fourteen (14) feet, provided that a maximum sidewall height of sixteen (16) feet is allowed upon approval of submitted sealed engineered drawings.
Lot Coverage Limits
In the C-2 Business District, unincorporated Cass County caps building lot coverage at fifty percent of the site under Zoning Order § 400.360(D)(3)(b). The same section sets a forty-thousand-square-foot minimum lot, one hundred feet of road frontage, and dimensional standards for the district's principal structures.
C-2 Business District Lot Coverage, Cass County
Some RestrictionsCass County Code § 400.360(D)(3)
Lot Area. a. Minimum Lot Area. Shall be forty thousand (40,000) square feet, or ninety-two hundredths (0.92) acres. b. Maximum Lot Coverage. Shall be fifty percent (50%).
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