Who enforces each one, what edition applies, and what changes next. 3 of 7 areas verified on primary sources. Federal OSHA state.
| Area | In force | Authority | Next |
|---|---|---|---|
| Fire | Delaware State Fire Prevention Regulations (1 Del. Admin. Code 700/701), 2026 edition: NFPA 1 (2024 ed.) and NFPA 101 (2024 ed.), effective Jan 1, 2026Regulations adopt about 150 NFPA codes/standards in full for existing and new buildings. The 2026 edition (NFPA 1 2024, NFPA 101 2024, plus new NFPA 2, 70E, 130) took effect January 1, 2026. SourceVerified on the source | Office of the State Fire Marshal / State Fire Prevention Commission, statewide | In forceIn force (2026 edition took effect Jan 1, 2026) |
| Building | No statewide building code; each county/municipality adopts and enforces its own (commonly an IBC edition)Delaware has no mandatory statewide building code. Counties and municipalities each adopt and enforce their own code; the state sets only statewide plumbing- and energy-code amendments. SourceReported, in verification | County and municipal building departments; no state building-code agency | No statewide codeNo statewide adoption cycle exists |
| Elevators | ASME A17.1 adopted statewide; specific current edition not confirmed this runState guidance points to the Dept. of Labor's Division of Industrial Affairs for elevator inspection; ASME A17.1 is referenced. Current statute section, edition, and inspection cadence were not confirmed this run. SourceReported, in verification | Dept. of Labor, Division of Industrial Affairs (per agency guidance); not independently verified this run | Unconfirmedunknown |
| Boilers | Certificate-of-inspection program administered by a Division of Boiler Safety (established 2000)A Division of Boiler Safety was created in 2000 to require a certificate of inspection before operating a boiler or pressure vessel. Current chapter citation and inspection cadence were not confirmed this run. SourceReported, in verification | Division of Boiler Safety (per 2000 session law); current parent department not confirmed this run | Unconfirmedunknown |
| Pools | DPH Regulation 4464, Public Swimming Pools, in force since Oct 11, 2015DPH's Public Swimming Pools rule (16 Del.C. section 122) sets water-quality, filtration, and lifeguard standards and requires at least an annual environmental-health inspection of public/commercial pools and spas. SourceVerified on the source | Division of Public Health, Health Systems Protection Section | In force |
| Lodging | No dedicated statewide hotel-safety statute found; general fire/life-safety code appliesNo statewide hotel-specific licensing or safety law (e.g. balcony or sprinkler-retrofit mandate) was found. Hotels fall under the State Fire Marshal's general life-safety code and local business licensing. SourceReported, in verification | Office of the State Fire Marshal (life-safety); local/county business licensing | No statewide ruleNone identified |
| Workplace | Federal OSHA jurisdiction; Delaware has no State PlanDelaware is not an OSHA-approved State Plan; federal OSHA covers most private-sector employers statewide. State and local government employees are not covered by federal OSHA. SourceVerified on the source | Federal OSHA (U.S. Dept. of Labor) | In force |
No dated statewide items in the next 24 months beyond the federal layer.
Delaware State Fire Prevention Regulations (1 Del. Admin. Code 700/701), 2026 edition: NFPA 1 (2024 ed.) and NFPA 101 (2024 ed.), effective Jan 1, 2026. Regulations adopt about 150 NFPA codes/standards in full for existing and new buildings. The 2026 edition (NFPA 1 2024, NFPA 101 2024, plus new NFPA 2, 70E, 130) took effect January 1, 2026. Enforced by: Office of the State Fire Marshal / State Fire Prevention Commission, statewide.
No statewide building code; each county/municipality adopts and enforces its own (commonly an IBC edition). Delaware has no mandatory statewide building code. Counties and municipalities each adopt and enforce their own code; the state sets only statewide plumbing- and energy-code amendments. Enforced by: County and municipal building departments; no state building-code agency.
Elevators: Dept. of Labor, Division of Industrial Affairs (per agency guidance); not independently verified this run (ASME A17.1 adopted statewide; specific current edition not confirmed this run). Boilers: Division of Boiler Safety (per 2000 session law); current parent department not confirmed this run (Certificate-of-inspection program administered by a Division of Boiler Safety (established 2000)).
Delaware is a federal-OSHA state: the U.S. Department of Labor's OSHA enforces workplace safety rules directly.
Elevators: Unconfirmed (unknown); Boilers: Unconfirmed (unknown).
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