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When a permit is required
Permit triggers and exempt work for Hillsdale
New homes, garages, sheds over 200 sq ft, additions, remodels, and all systems.
- Exempt Accessory structures 120 sq ft or less
- Exempt Fences 6 feet or less (zoning still required)
- Exempt Retaining walls 4 feet or less
- Exempt Cosmetic finishes: painting, tiling, carpeting
- Exempt Swimming pools less than 18 inches deep
Note: Confirm edge cases with County before proceeding.
- Application
- Plans
- Contractor registration
- Building code
- 2012 IBC, 2012 IRC, 2011 NEC, Illinois Plumbing Code
- Owner-builder
- Allowed for primary residence.
- Contractor requirements
- Must register with County ($10,000 bond).
Source: Rock Island County Zoning and Building Safety Department ↗
Application process
Typical processing: 2-4 weeks
- 01 Contact Hillsdale Village Hall (309-658-2433) for local zoning approval if required.
- 02 Submit building permit application and plans to Rock Island County.
- 03 County staff reviews for code and flood compliance.
- 04 Pay fees at County office.
- 05 Permit issued.
Typical processing time: 2-4 weeks
Source: Rock Island County Zoning and Building Safety Department ↗
Fee schedule
Hillsdale building permit fees
Cash or check only at County office
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
Required inspections
Scheduling and sequence
- 309-558-3771 (phone)
- Inspection hours
- Inspectors in field 10:00 AM - 3:00 PM
- Time windows
- 10:00 AM - 3:00 PM
Typical sequence: Typical sequence: Footing, Rough, Final
Source: Rock Island County Zoning and Building Safety Department ↗
Frequently asked
Common questions about Hillsdale permits
01 Do I need a building permit in Hillsdale, IL? ▸
02 How much does a building permit cost in Hillsdale, IL? ▸
03 How do I apply for a building permit in Hillsdale, IL? ▸
04 How long does it take to get a building permit in Hillsdale, IL? ▸
05 What work is exempt from building permits in Hillsdale, IL? ▸
06 How do I schedule a building inspection in Hillsdale, IL? ▸
Educational reference. Permit rules and fees change — confirm current requirements directly with Rock Island County Zoning and Building Safety Department before applying. Jaspector is not legal advice.