Building Safety in Peoria County, IL (2026)

3 county-level rules, plus city-specific rules for 1 city in Peoria County, Illinois.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Peoria County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Building Permits

In unincorporated Peoria County, anyone who wants to construct, enlarge, alter, repair, move, or demolish a building, change its occupancy, or install or replace an electrical, gas, mechanical, or plumbing system must first apply to the building official and obtain a permit under Peoria County Code Section 12-15(h).

Peoria County Building Permit Requirement

Some Restrictions

Peoria County Code § 12-15(h) (amending 2018 IBC § 105.1)

105.1. Required. Any owner or authorized agent who intends to construct, enlarge, alter, repair, move, demolish, or change the occupancy classification (which could affect the fire hazard requirements) of a building or structure, or to erect, install, enlarge, alter, repair, remove, convert or replace any electrical, gas, mechanical or plumbing system, the installation of which is regulated by ...

Full ordinance details →Official source ↗

Electrical Permits

Electrical work in unincorporated Peoria County must follow the National Electrical Code, adopted by reference in Peoria County Code Section 12-22, with a building permit required before any electrical system is erected, altered, or replaced.

Peoria County Electrical Code (NEC)

Some Restrictions

Peoria County Code §§ 12-22 and 12-15(ii) (amending 2018 IBC Ch. 27)

Sec. 12-22. - Compliance with NFPA 70: National Electrical Code 2017 Edition Required. The NFPA 70: National Electrical Code 2017 Edition is hereby adopted by reference. ... Chapter 27, Electrical. The NFPA 70, National Electrical Code, 2020 Edition shall be followed for all design and installation of electrical systems, alterations, repairs, replacement, equipment, appliances, fixtures, fittin...

Full ordinance details →Official source ↗

Plumbing Permits

All plumbing design and installation work in unincorporated Peoria County, including sanitary and storm drainage, water supply, and sewage disposal in buildings, must follow the current State of Illinois Plumbing Code, adopted by reference in Peoria County Code Section 12-29.

Peoria County Plumbing Code Requirement

Some Restrictions

Peoria County Code §§ 12-29, 12-10(c)

Sec. 12-29. - Compliance with State of Illinois Plumbing Code required. The current State of Illinois Plumbing Code, Part 890 Illinois Administrative Code, is hereby adopted by reference. ... Any reference to the "International Plumbing Code" shall be read as the "Illinois Plumbing Code, Part 890 Illinois Administrative Code."

Full ordinance details →Official source ↗

Building Safety by City in Peoria County

1 cities in Peoria County have their own building safety rules. Each link goes to that city's dedicated page with code citations.

PeoriaPop. 110,417

7 verified rules • Building Permits, Childcare Center Rules

All Peoria County ordinances

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