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When a permit is required
Permit triggers and exempt work for Warrenville
New builds, additions, basements, decks, fences, garages, kitchens/baths, patios/driveways, roofs, windows, siding, sheds, solar, pools.
- Exempt Painting
- Exempt Flooring
- Exempt Tiling
- Exempt Non-structural interior repairs (no framing/elec/plumb changes)
Note: Confirm exempt work categories with Building Division before proceeding.
- Digital plans
- Specifications
- Contractor insurance/license
- Building code
- 2021 IBC, 2021 IRC, 2020 NEC, Illinois Plumbing Code.
- Owner-builder
- Allowed.
- Contractor requirements
- Electric/Plumbing must have active state license and COI.
Source: Community Development Department - Building Division ↗
Application process
Typical processing: <2 weeks.
- 01 Submit application through BS&A Online.
- 02 Upload digital copies of plans and specs.
- 03 Plan review typically takes <2 weeks.
- 04 Notification of fees and approval.
- 05 Pay online and receive permit.
Typical processing time: <2 weeks.
Source: Community Development Department - Building Division ↗
Fee schedule
Effective Current
Online
Fees change periodically. Confirm at the official fee schedule ↗ (effective Current) before budgeting.
Required inspections
Scheduling and sequence
- BS&A portal (online)
- Phone (phone)
- Scheduling deadline
- Check portal for scheduling windows.
- Inspection hours
- Monday-Friday 7am-7pm; Sat-Sun 8am-6pm (Construction hours)
- Time windows
- Extended hours for construction inspections.
Typical sequence: Foundation, Rough, Final.
Fees apply after multiple failures.
Source: Community Development Department - Building Division ↗
Frequently asked
Common questions about Warrenville permits
01 Do I need a building permit in Warrenville, IL? ▸
02 How much does a building permit cost in Warrenville, IL? ▸
03 How do I apply for a building permit in Warrenville, IL? ▸
04 How long does it take to get a building permit in Warrenville, IL? ▸
05 What work is exempt from building permits in Warrenville, IL? ▸
06 How do I schedule a building inspection in Warrenville, IL? ▸
Educational reference. Permit rules and fees change — confirm current requirements directly with Community Development Department - Building Division before applying. Jaspector is not legal advice.