Can you build an ADU in Kansas City, MO?
A third-party source says ADUs are allowed in residential zones with size, location, and parking rules, but the provided official code excerpts do not confirm the adopted standards directly.
Confidence: low · Last researched May 2026
ADU rules
A third-party source states ADUs are allowed in residential zones, with detached ADUs limited to 1,000 square feet, located in the rear yard, without an owner-occupancy requirement, and typically requiring one additional parking space unless near a transit corridor. This should be verified directly in current Chapter 88 before reliance.
- Verify directly in current Chapter 88
- Detached ADU limit stated by third-party source: "1,000 sqft"
- Rear yard location stated by third-party source
- No owner-occupancy requirement stated by third-party source
Dimensional standards in Kansas City, MO
| R-10, R-7.5, R-6 — front yard setback | twenty five (25) percent of the depth of the lot but need not exceed thirty (30) feet |
| R-5, R-2.5 — front yard setback | twenty five (25) feet |
| R-10, R-7.5, R-6, R-5, R-2.5 — side yard setback | ten (10) percent of the lot width |
| R-10, R-7.5, R-6, R-5 — rear yard setback | twenty five (25) percent of the depth of the lot but need not exceed thirty (30) feet |
| R-2.5 — rear yard setback | twenty five (25) feet |
| R-5 — minimum lot area for duplex | ten thousand (10,000) square feet |
| R-2.5 — minimum lot area for duplex | Five thousand (5,000) square feet |
Related questions
Are ADUs allowed in Kansas City, MO?
A third-party source states ADUs are allowed in residential zones, with detached ADUs limited to 1,000 square feet, located in the rear yard, without an owner-occupancy requirement, and typically requiring one additional parking space unless near a transit corridor.
Full investor analysis
You've seen the general rule. The full Kansas City, MO report shows which districts allow ADUs by-right vs. by special permit, the approval path and timeline, and the overlay/flood constraints that quietly kill ADU projects here. First town report is free.
Get the full Kansas City, MO report free →More about Kansas City, MO zoning
- Can you build a duplex in Kansas City, MO?→
- Are short-term rentals allowed in Kansas City, MO?→
- Is mixed-use development allowed in Kansas City, MO?→
- What are the setback requirements in Kansas City, MO?→
- What are the parking requirements in Kansas City, MO?→
This summary is AI-generated from public municipal sources and is not legal, engineering, or land-use advice. Always verify zoning with Kansas City, MO officials before making decisions.
More Missouri zoning reports →