Fire Regulations in Sussex County, DE (2026)
1 rule for unincorporated Sussex County, Delaware.
Verified from official government sources
Note: These county rules apply to unincorporated areas of Sussex County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Smoke Detectors
New construction in Sussex County must meet the IRC's Section R313 smoke alarm standard, while every existing dwelling unit must already have an approved, UL 217-compliant smoke detector under the Housing Code.
Sussex County Smoke Alarm Requirements
Some RestrictionsSussex County Code §§ 52-34 and 71-18L
§ 52-34. Adoption of smoke alarm standards. Sussex County hereby adopts Section R313 (Smoke Alarms) of the IRC. ... § 71-18L. Smoke-detector system. Every dwelling unit shall be provided with an approved smoke detector tested and installed in accordance with the Fire Prevention Rules and Regulations of the State of Delaware. When activated, the detector shall be tested in accordance with and me...
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