Building Safety in Sangamon County, IL (2026)
5 county-level rules, plus city-specific rules for 1 city in Sangamon County, Illinois.
Verified from official government sources
Fire Sprinkler Requirements
Sangamon County struck the International Residential Code's automatic fire sprinkler section entirely, so new one- and two-family homes built in the unincorporated county face no local sprinkler mandate.
Sangamon County Deletes Home Fire Sprinkler Mandate
Few RestrictionsSangamon County Code § 15.05.090
Section R313. Automatic Fire Sprinklers. Delete this Section. Section R322.1.4. Substitute: Delete the section as written and in its place insert the following: "Section R322.1.4 Establishing the design flood elevation. The design flood elevation shall be used in areas designated as FLOODPLAIN IN Chapter 16.72 and shall be defined as the base flood elevation plus one foot." Section R322.1....
Carbon Monoxide Detectors
In unincorporated Sangamon County, homes must have a working carbon monoxide alarm within 15 feet of every sleeping room, with exemptions for homes that don't burn fuel, lack a garage, and sit away from CO sources.
Sangamon County Carbon Monoxide Alarm Law
Some RestrictionsSangamon County Code § 15.05.140 (IPMC § 602.6)
Every home is required to have at least one carbon monoxide alarm in an operating condition within 15 feet of every room used for sleeping purposes. Homes that do not rely on the burning of fuel for heat, ventilation or hot water; are not connected to a garage; and are not near a source of carbon monoxide as determined by the building official are not required to install carbon monoxide detecto...
Building Permits
Sangamon County charges a flat $100 permit fee for roofing work under its building-permit fee schedule, in addition to the general permit requirement for adopted construction codes.
Sangamon County Roofing Permit Fee
Some RestrictionsSangamon County Code § 15.05.200
Residential Permit Description Fee Residential New Construction/Alteration $0.58 ft² Residential New construction/Alteration Unfinished area (Basement/Garage) $0.19 ft² Residential Electrical, Plumbing and HVAC $0.08 ft² min $100 Mobile Home $300 Modular Home $600 Residential Relocation (Relocation only, other permits may apply) $600 Accessory Structures over 120 ft² (Other permits may a...
Electrical Permits
Unincorporated Sangamon County has adopted the 2017 NFPA 70 National Electrical Code, and the Department of Building Safety issues the permit required for electrical work under it.
Sangamon County Adopted Electrical Code
Some RestrictionsSangamon County Code § 15.05.070
The technical codes and public records listed below are adopted as codes of the county of Sangamon and each and all of the regulations, provisions, penalties, conditions and terms of each technical code and public record listed are adopted and made a part of the binding regulations of this chapter... The National Electrical Code, 2017 Edition, as published by the National Fire Protection Associ...
Plumbing Permits
Sangamon County enforces the Illinois Plumbing Code as its adopted plumbing code, and its building official administers plumbing permits, inspections and fees under state law.
Sangamon County Plumbing Permit Rule
Some RestrictionsSangamon County Code § 15.05.170
The building official shall also provide for the administration and enforcement of the Illinois Plumbing Code by requiring permits, inspection and fees all as provided in 225 ILCS 320/37, and provide for the inspections and administration required to enforce the Illinois Accessibility Code. (Res. 10 § 1(part), December 11, 2007: Res. 21 § 9, August 14, 2001; Res. 12 § 1(part), May 8, 2001). ...
Building Safety by City in Sangamon County
1 cities in Sangamon County have their own building safety rules. Each link goes to that city's dedicated page with code citations.
All Sangamon County ordinances
See every category we cover for Sangamon County: parking, noise, fences, fires, animals, pools, and more.
Sangamon County Ordinance Hub →