Kansas City, Missouri is the metro's easiest jurisdiction on setbacks and its hardest on height. The city's permit FAQ says "any detached accessory structure less than 200 square feet does not require a permit," and its zoning code lets an accessory structure sit just 1.5 feet from rear and interior side lines. But the same zoning section — 88-305 — says accessory buildings and structures "may not exceed 10 feet in height" and caps the footprint of an individual detached accessory building at 200 square feet, and the city confirms that "a Board of Zoning Adjustment (BZA) variance will be required for sheds, storage, pool houses, etc. greater than 200 square feet." A typical pavilion with 8-foot posts and a pitched roof is taller than 10 feet. Planning a pavilion in KCMO therefore starts with a design question — cap it at 10 feet and 200 square feet, or plan for a variance — and we work through it at the first meeting. Read from the city's pages and code on September 30, 2026.
What's different in Kansas City, Missouri
The 10-foot height cap. Section 88-305-02-C: "Accessory buildings and structures may not exceed 10 feet in height, except that detached garages may be up to 16 feet in height" (carriage houses and AG-R/R-80 lots have their own limits) (KCMO Zoning and Development Code 88-305, accessed 2026-09-30). A shed-roof or very low-pitch pavilion on 7-foot posts can come in under 10 feet; a gable on 8-foot posts usually cannot. How the city measures height for a pitched accessory roof (the measurement rules are in 88-820) is the first question we put to City Planning & Development on a KCMO lot.
The 200-square-foot footprint cap. Section 88-305-02-D: "The building footprint (ground level building coverage) of an individual, detached accessory building may not exceed 200 square feet," with larger allowances only for garages and carriage houses. The permit FAQ ties the variance to it (KCMO code questions, accessed 2026-09-30). Whether an open-sided pavilion is an accessory "building" under the footprint cap or an accessory "structure" under the height cap alone is the second question we ask — the code uses both words.
Setbacks are tiny. 1.5 feet from rear property lines, 1.5 feet from interior side lines, at least 10 feet from all other accessory and principal buildings, never closer to the street than the house, and on a corner lot no closer to the street than the house's rear building line or 15 feet, whichever is less. All detached accessory buildings and structures together may cover no more than 40 percent of the actual rear yard.
Frost line is by ordinance. The city's building code amendments state "the design frost line shall be 36 inches" (Ordinance 220353, accessed 2026-09-30). The residential code ordinance sets ground snow load at 20 psf and design wind speed at 115 mph (Ordinance 220364, accessed 2026-09-30).
Does your pavilion need a permit — or a variance?
| Pavilion | Building permit | Zoning | Variance? |
|---|---|---|---|
| ≤200 sq ft, ≤10 ft tall (e.g., 12×16 with a low roof) | No | 1.5-ft setbacks, 10 ft from house, rear/side yard only | No |
| ≤200 sq ft, over 10 ft tall | No | height cap exceeded | Likely — confirm how height is measured |
| Over 200 sq ft (e.g., 16×20) | Yes | footprint cap exceeded if treated as a building | Yes per the city FAQ |
Electrical work is a separate permit at any size.
Zoning: where it can go
- Rear or interior side yard only; not in front or street-side yards.
- 1.5 feet from rear and interior side property lines; 10 feet from every other building on the lot.
- Corner lots: no closer to the street than the house's rear building line, or 15 feet, whichever is less.
- Height: 10 feet (see above). Footprint: 200 square feet per detached accessory building (see above). Coverage: 40 percent of the actual rear yard for all detached accessory structures combined.
- Accessory structures may not be built before the house.
Example. A 12×16 pavilion (192 square feet) on a Waldo or Brookside lot: it can sit 1.5 feet off the back fence and 10 feet off the garage without a building permit — if its ridge stays at or under 10 feet. A 16×20 anywhere in the city needs a permit and, on the city's own reading, a BZA variance.
Codes, review and drawings
2018 International Residential Code with local amendments. Residential plan review turnaround is published as seven days, with one-hour residential review appointments available; applications go through CompassKC or the walk-in counter (Plans Review Division, accessed 2026-09-30). The city does not publish a drawing list or fee basis for accessory structures; expect a site plan and framing and footing details, and confirm whether sealed drawings are required for a post-and-beam pavilion.
Who can pull the permit
Contractors "must have a current KCMO Business License" and, for residential work, "a Residential Contractors license in addition to their KCMO Business License." Homeowner-as-contractor rules and homeowner electrical allowances were not on the pages we read.
What we handle
The height-and-footprint decision at the first meeting — a compliant low-profile design versus a variance application with drawings; 36-inch piers; site plan to the 1.5-foot and 10-foot rules; the electrical permit through a licensed contractor; HOA drawings where a subdivision has review.
Not verified online — we confirm before submitting
How accessory-structure height is measured for a pitched roof; whether an open pavilion is a "building" for the 200-square-foot footprint cap; variance procedure, timeline and fee; drawing requirements; fee basis; inspection list; homeowner electrical.
Frequently asked questions
Can I build a normal 16×20 pavilion in Kansas City, Missouri? Only with a Board of Zoning Adjustment variance, on the city's own reading of its code. We design either a 10-foot-tall, 200-square-foot pavilion that needs no variance, or a full-size one with a variance application — your choice, made with the numbers in front of you.
Why are the setbacks so small? KCMO's older, narrower lots. 1.5 feet from the line and 10 feet from other buildings is the rule; your HOA, if you have one, may require more.
Does the 200-square-foot exemption cover a kit? Yes, if it is under 200 square feet and under 10 feet tall. Wire it and the electrical permit applies.
Last updated: September 30, 2026. Compare: Lee's Summit · all jurisdictions. Get a quote or run the Instant Estimate.