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When a permit is required
Permit triggers and exempt work for Rochester
New residential, additions, fences, pools, and all commercial.
Note: Exempt from building permit does not mean exempt from zoning and planning requirements. Confirm edge cases with the Building Department before proceeding.
- Building code
- 2021 IRC/IBC
Source: Village of Rochester (Residential) / Sangamon County (Commercial) ↗
Application process
Application → plan check → issuance → inspection → final
- 01 Residential: Submit to Village Office.
- 02 Commercial: Submit to Sangamon County.
- 03 Sewer: Submit to Sangamon County Water Reclamation District (SCWRD).
Source: Village of Rochester (Residential) / Sangamon County (Commercial) ↗
Fee schedule
Effective 2025
Required inspections
Scheduling and sequence
- (217) 498-7192 (phone)
Frequently asked
Common questions about Rochester permits
01 Do I need a building permit in Rochester, IL? ▸
02 How much does a building permit cost in Rochester, IL? ▸
03 How do I apply for a building permit in Rochester, IL? ▸
04 How do I schedule a building inspection in Rochester, IL? ▸
Educational reference. Permit rules and fees change — confirm current requirements directly with Village of Rochester (Residential) / Sangamon County (Commercial) before applying. Jaspector is not legal advice.