Missouri · Building code

The building code in force in Missouri now.

None — no statewide building code; adoption and enforcement are local only. Enforced by Local building departments only, where a code is adopted; no state code-enforcement agency. Verified on the primary source, re-checked weekly.

Enter a Missouri ZIP code for the building view

Building code in Missouri

Verified on the source
In force

None — no statewide building code; adoption and enforcement are local only

No statewide building code or state amendments exist; each city/county decides whether to adopt a code and which edition (e.g., Kansas City, St. Louis run their own overlays).

Source: primary document

Who enforces it

Local building departments only, where a code is adopted; no state code-enforcement agency

Statewide layer. County and city amendments sit on top; the building view resolves them from your ZIP.

What changes next

In force

None pending (a 2026-session bill to create a statewide code/commission died in committee)

Dated items

Next 24 months
Jan 1, 2028
New DFS fire/life-safety standards (RSMo 320.405) become applicable to state-inspected facilities undergoing new construction, major renovation, ownership transfer, or 50%+ value improvementDivision of Fire Safety (Dept. of Public Safety)
Dated

Questions about the building code in Missouri

Which building code applies in Missouri today?

None — no statewide building code; adoption and enforcement are local only. No statewide building code or state amendments exist; each city/county decides whether to adopt a code and which edition (e.g., Kansas City, St. Louis run their own overlays).

Who enforces the building code in Missouri?

Local building departments only, where a code is adopted; no state code-enforcement agency.

What changes next for the building code in Missouri?

Nothing is scheduled. The rule above stays in force until the state adopts a newer edition or amends the program; AHJ Radar re-checks the source weekly.

Other areas in Missouri

Everything in force in Missouri

Priced per building. Your whole team is included.

One address, every authority that can cite it, and a record of who saw what. Cancel anytime. Public pages stay free.