Polk County, IA Building Safety: Childcare Center Rules (2026)

Polk County's 2021 Construction Code adopts the International Residential Code (IRC) 'including Appendix F and Appendix M' as the governing code for one- and two-family dwellings and townhouses in unincorporated Polk County, at Chapter 20, Section 20.2.4. Appendix M is the IRC chapter the county uses for structures operating as a home day care, and the Board of Supervisors added a local section to it, AM105, in the amendment package effective September 2, 2024: 'Carbon Monoxide Alarms shall be installed in dwelling units used for home care operations.' The alarms have to be installed per the placement rules in IRC Section R315, the same standard that governs CO alarm placement in ordinary dwellings.

Because a home day care operates inside a residential structure covered by Chapter 20, any construction, remodeling, or occupancy change needed to set up the day care space still needs a building permit from the Polk County Building Official under Section 20.1.2, and the work is reviewed against the same International Residential Code, including Appendix M, that the county adopted for the address. Fines and penalties for building without an approved permit or in violation of an approved plan are set out in Chapter 2 of the Polk County Code of Ordinances, referenced at Section 20.2.4 item .15, and the Building Official can post a stop-work order under item .16 until the work is authorized. This building-code CO alarm requirement is separate from and in addition to the state's day care registration and licensing rules administered by Iowa HHS.