On this page 5
§ 02
When a permit is required
Permit triggers and exempt work for Johnston City
- Building code
- public code page states the city adopted the International Building Code 2018, International Property Maintenance Code 2018, NEC 2017, NFPA 101 Life Safety Code 2015, and International Fire Code 2018. This is the public code text currently visible, though it may need local confirmation against the 2025 state baseline requirement.
- Contractor requirements
- the city code includes plumbing permit language requiring permits to be issued to licensed plumbing contractors or similar qualified persons under state plumbing rules.
§ 03
Fee schedule
Johnston City building permit fees
Fee type
Amount
01
Minimum permit fee
the public snippet did not show a minimum residential fee, but the ordinance contains valuation-based permit fees.
02
Plan check fee
when valuation exceeds $1,000 and plan review is required, plan checking fee is one-half of the building permit fee.
03
Permit fee formula
valuation-based schedule.
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
§ 04
Required inspections
Scheduling and sequence
Typical sequence: city code implies permit issuance before work; plumbing permits are separate and tied to the plumbing inspector.
work started before permit issuance is charged double.
§ 05
Frequently asked
Common questions about Johnston City permits
01 How much does a building permit cost in Johnston City, IL? ▸
Building permit fees in Johnston City, IL are set by the local building department and vary by project type and valuation. The minimum permit fee is the public snippet did not show a minimum residential fee, but the ordinance contains valuation-based permit fees.. Fees are calculated as: valuation-based schedule.. Plan check fee: when valuation exceeds $1,000 and plan review is required, plan checking fee is one-half of the building permit fee..
last verified April 2026
source building/code enforcement appears to be under the city code official / building inspector. ↗
entry id permits/illinois/williamson/johnston-city
Educational reference. Permit rules and fees change — confirm current requirements directly with building/code enforcement appears to be under the city code official / building inspector. before applying. Jaspector is not legal advice.