Missouri · MO
Missouri residential & ADU permit data
Local zoning across the Show-Me State
Housing law
Accessory dwelling units in Missouri are regulated locally; there is no statewide ADU mandate, so rules vary by city and county.
Missouri has no statewide upzoning law; residential density is set by local zoning.
Local zoning (no statewide mandate)
Jurisdictions we cover
Kansas CitySt. Louis
Cities we cover in Missouri
Live dataExplore live, sourced permit activity for each Missouri jurisdiction.
Why Igni for Missouri
Two major metros in Kansas City and St. Louis
Live Kansas City permit data, sourced from official open data
Local-first permit intelligence where each city sets its own rules
Missouri ADU & permit data — FAQ
Does Missouri allow accessory dwelling units (ADUs)?
Accessory dwelling units in Missouri are regulated locally; there is no statewide ADU mandate, so rules vary by city and county.
What is Missouri's missing-middle / upzoning law?
Missouri has no statewide upzoning law; residential density is set by local zoning.
Where does Igni get Missouri permit data?
Sourced live from the City of Kansas City open-data portal (building permits; public records).
Which Missouri cities does Igni cover?
Igni has live permit coverage for Kansas City in Missouri, with more jurisdictions expanding.
Start tracking Missouri permits
Fresh, filterable residential and ADU permit leads — delivered before your competitors even know.
Sourced live from the City of Kansas City open-data portal (building permits; public records).
Informational only, not legal advice. Housing law changes — verify current statutes before relying on this.