Columbia, MO Zoning Overlays & Bonuses: Density Bonus Law (2026)
Key Facts
- Solar orientation bonus
- 10% more lots, R-1/R-2
- Solar block alignment
- Within 15° of east-west
- Rural cluster bonus
- 10% more lots for 50% open space
- Bonuses combinable
- Yes, per §29-4.1(b)(3)(iv)
- Open space protection
- Recorded covenant, Boone County
Summary
Columbia, Missouri grants a 10% density bonus in R-1 and R-2 subdivisions that orient blocks for solar gain or that protect 50% of a parcel's land as open space, letting developers plat more lots than base zoning allows.
(2)Solar orientation density bonus.(i)A subdivision in R-1 or R-2 in which at least seventy-five (75) percent of lots are on blocks...oriented within fifteen (15) degrees of true east-west...shall be increased by ten (10) percent above the number of lots permitted...(3)Rural cluster density bonus.(i)A subdivision in R-1 or R-2 that preserves at least fifty (50) percent of the gross land area of the parcel in open space protected from future development shall be allowed to include ten (10) percent more residential lots than if such land had not been designated for protection.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 138).
Full Breakdown
The Unified Development Code offers two density bonuses in Columbia's R-1 and R-2 districts, Boone County. Under § 29-4.1(b)(2), a subdivision where at least 75 percent of lots sit on blocks oriented within 15 degrees of true east-west for solar gain may add 10 percent more single-family or two-family lots, with minimum lot size and width reduced 15 percent. Under § 29-4.1(b)(3), a subdivision that permanently protects at least 50 percent of its gross land area as open space may also add 10 percent more lots. The two bonuses can be combined, and protected open space must be recorded as a restrictive covenant in Boone County real property records.
Violations & Fines
Claiming a density bonus without meeting the solar-orientation or open-space thresholds, or platting more lots than the bonus allows, violates the subdivision approval and can result in denial or revocation of plat approval under the UDC.
Frequently Asked Questions
Does Columbia, Missouri offer a density bonus for subdivision design?
Can Columbia's two density bonuses be used together?
Sources & Official References
Other rules in Columbia
Compare Columbia to another location·View the Missouri zoning overlays & bonuses overview
See something wrong?
Help us keep this page accurate. If you notice an error or outdated information, let us know.