Who enforces each one, what edition applies, and what changes next. 8 of 8 state-level topic areas checked against primary sources. Federal OSHA state.
| Area | In force | Authority | Next |
|---|---|---|---|
| Fire | No statewide fire code (DFS FAQ); state fire rules apply to facilities licensed by state agencies such as day cares. RSMo 320.405 (L. 2026 S.B. 1421, effective Aug 28, 2026) directs DFS to adopt fire and life-safety standards for state-inspected facilitiesPer the DFS FAQ, fire codes are adopted locally and no state law requires annual fire inspections unless a facility is regulated by DHSS, Mental Health or Social Services. Local AHJs enforce local codes. RSMo 320.405 covers only occupancies DFS already inspects (chapter 198 long-term care excluded) and states it creates no statewide fire or building code. SourceChecked on the source | Local AHJs (fire depts/code officials) statewide; Div. of Fire Safety (DPS) only for state-licensed facilities | New rule due Jul 1, 2027DFS must adopt standards rule by Jul 1, 2027; standards apply from Jan 1, 2028 to state-inspected facilities on new construction, major renovation, ownership transfer or 50%+ improvement (RSMo 320.405, L. 2026 S.B. 1421, eff. Aug 28, 2026, re-read Oct 21, 2026); DFS FAQ re-read Oct 21, 2026 still states there is no statewide fire code |
| Building | None — no statewide building code; adoption and enforcement are local onlyThe DFS FAQ states that fire and building codes are adopted at the local level in Missouri, and RSMo 320.405(5) states it creates no statewide building or fire code for occupancies not already subject to DFS inspection. Each city or county decides; the DPS proposed-rules page lists no building-code rulemaking. SourceChecked on the source | Local building departments only, where a code is adopted; no state code-enforcement agency | In forceNo statewide building code; DFS FAQ (fire and building codes adopted locally) and RSMo 320.405 re-read Oct 21, 2026; 2026-2027 legislative status could not be confirmed on the primary page |
| Elevators | ASME A17.1-2016 with companion standards (A17.2-2014, A18.1-2014, A90.1-2015) per DFS Elevator Safety Unit; maintenance and alterations follow A17.1 section 8.6 (11 CSR 40-5.065)Annual safety inspection ($125 per unit plus expenses when a state inspector performs it), then a state operating certificate ($25 per unit); no elevator or related equipment may operate without it. Overspeed-valve rated-load tests every 60 months since Jan 1, 2021. Local ordinances that meet or exceed state rules still require the state certificate. SourceChecked on the source | Division of Fire Safety, Elevator Safety Unit (Dept. of Public Safety) | In forceIn force per the DFS page re-read Oct 21, 2026 (A17.1-2016 and A17.2-2014 listed; overspeed-valve rated-load tests at 60-month intervals from Jan 1, 2021); no pending ASME adoption described |
| Boilers | ASME Boiler & Pressure Vessel Code construction and National Board registration for units since Nov 12, 1986; RSMo 650.200-650.295 and 11 CSR 40-2.010 to 40-2.060Certificate inspections every one to two years depending on use; most objects are on a two-year cycle, and steam boilers over 15 psi need a biennial internal inspection. The owner is responsible for certificate inspections. DFS issues about 25,000 certificates yearly. SourceChecked on the source | Division of Fire Safety, Boiler & Pressure Vessel Safety Program (Dept. of Public Safety) | In forceIn force per the DFS page re-read Oct 21, 2026 (RSMo 650.200-650.295, 11 CSR 40-2.010 to 40-2.060; Nov 12, 1986 ASME threshold); no pending change described |
| Pools | DHSS 'Governing Lodging Establishments' manual, swimming pools/spas section (lodging establishments)New or majorly renovated pools need engineer design to a national pool code; barrier at least 4 ft with self-closing, self-latching gates; chlorine at least 1.0 ppm and pH 7.2-7.8; daily water records; lifeguard needed for pools of 2,000 sq ft or more. The page gives no rule number. SourceChecked on the source | Dept. of Health and Senior Services (DHSS), Bureau of Environmental Health Services | Rulemaking pendingDHSS swimming pools/spas manual page re-read Oct 19, 2026: no effective date, amendment or pending change listed |
| Lodging | RSMo Chapter 315 and DHSS rule 19 CSR 20-3.050; annual lodging license (licensing year Oct 1 - Sep 30), fee tiers start at 5 roomsA license requires an approved inspection for the current year, a certificate of no tax due and the fee ($50 for 5-10 rooms; $50 plus $2 per room over 10 for 11-20; $70 plus $1 per room over 20). Inspections are unannounced, by DHSS or a local public health agency. SourceChecked on the source | Dept. of Health and Senior Services (DHSS) | Rulemaking pendingDHSS licensing page re-read Oct 21, 2026: licensing year Oct 1 - Sep 30 and fee tiers unchanged; no pending change or new effective date listed |
| Workplace | Federal OSHA jurisdiction (no state plan)Missouri has no OSHA-approved State Plan; federal OSHA regulates workplace safety directly for private-sector employers statewide through its area office. SourceChecked on the source | U.S. Dept. of Labor, OSHA (federal) | In forceIn force; osha.gov approved State Plans page re-read Oct 21, 2026 does not list Missouri |
| Environmental | Federal EPA rules (SPCC 40 CFR 112, Tier II 40 CFR 370, HFC leak repair 40 CFR 84, 40 CFR 63 ZZZZ, asbestos NESHAP, 40 CFR 280) plus Missouri DNR layer: UST registration, air construction-permit exemptions 10 CSR 10-6.061 (revised eff. Jan 30, 2026), asbestos notice 10 CSR 10-6.241, SSO/bypass reporting within 24 hours, backflow 10 CSR 60-11DNR: USTs registered within 30 days, $75 per tank per five years (ASTs: Dept. of Agriculture); emergency engines exempt from air construction permit at 500 hr/yr or less with non-resettable meter; gas-fired units under 10 MMBtu/hr exempt; 10-working-day asbestos abatement/demolition notice (Kansas City, St. Louis City and County take notices); permittees report SSOs within 24 hours; backflow assemblies tested annually. SourceChecked on the source | Missouri Dept. of Natural Resources (Air Pollution Control, Water Protection and Environmental Remediation programs); U.S. EPA (federal); local water and sewer utilities | In forceEPA final rule (Federal Register Oct 8, 2026, re-read Oct 21, 2026) approves the Jan 30, 2026 revision of 10 CSR 10-6.061 (added emergency-generator criteria, narrowed multi-generator exemption) into the Missouri SIP; the rule's stated effective date, Nov 9, 2026, has passed; sections (3)(A)2.D. and (3)(A)2.E.(II)(c) are listed as not SIP-approved. DNR UST registration page re-read Oct 21, 2026. Federal: automatic leak detection for existing 1,500 lb+ commercial refrigeration by Jan 1, 2027 (eCFR 84.108 re-read Oct 21, 2026); Tier II filing March 1, 2027 |
No statewide fire code (DFS FAQ); state fire rules apply to facilities licensed by state agencies such as day cares. RSMo 320.405 (L. 2026 S.B. 1421, effective Aug 28, 2026) directs DFS to adopt fire and life-safety standards for state-inspected facilities. Per the DFS FAQ, fire codes are adopted locally and no state law requires annual fire inspections unless a facility is regulated by DHSS, Mental Health or Social Services. Local AHJs enforce local codes. RSMo 320.405 covers only occupancies DFS already inspects (chapter 198 long-term care excluded) and states it creates no statewide fire or building code. Enforced by: Local AHJs (fire depts/code officials) statewide; Div. of Fire Safety (DPS) only for state-licensed facilities.
None — no statewide building code; adoption and enforcement are local only. The DFS FAQ states that fire and building codes are adopted at the local level in Missouri, and RSMo 320.405(5) states it creates no statewide building or fire code for occupancies not already subject to DFS inspection. Each city or county decides; the DPS proposed-rules page lists no building-code rulemaking. Enforced by: Local building departments only, where a code is adopted; no state code-enforcement agency.
Elevators: Division of Fire Safety, Elevator Safety Unit (Dept. of Public Safety) (ASME A17.1-2016 with companion standards (A17.2-2014, A18.1-2014, A90.1-2015) per DFS Elevator Safety Unit; maintenance and alterations follow A17.1 section 8.6 (11 CSR 40-5.065)). Boilers: Division of Fire Safety, Boiler & Pressure Vessel Safety Program (Dept. of Public Safety) (ASME Boiler & Pressure Vessel Code construction and National Board registration for units since Nov 12, 1986; RSMo 650.200-650.295 and 11 CSR 40-2.010 to 40-2.060).
Missouri is a federal-OSHA state: the U.S. Department of Labor's OSHA enforces workplace safety rules directly.
Fire: New rule due Jul 1, 2027 (DFS must adopt standards rule by Jul 1, 2027; standards apply from Jan 1, 2028 to state-inspected facilities on new construction, major renovation, ownership tr); Pools: Rulemaking pending (DHSS swimming pools/spas manual page re-read Oct 19, 2026: no effective date, amendment or pending change listed); Lodging: Rulemaking pending (DHSS licensing page re-read Oct 21, 2026: licensing year Oct 1 - Sep 30 and fee tiers unchanged; no pending change or new effective date listed); Jan 1, 2027: Automatic leak detection on existing 1,500 lb+ HFC commercial refrigeration; Mar 1, 2027: EPCRA Tier II chemical inventory filing.
Free reference. No account is needed. Membership — Coming soon.