On this page 6
§ 02
When a permit is required
Permit triggers and exempt work for Lacon
Any new construction, additions, or alterations to existing structures including garages, sheds, and fences.
Minor repairs and cosmetic work
Flatwork (sidewalks/patios) not attached to structure
Fences (often requires a minor flat-fee permit but no full building review)
- Exempt Minor repairs and cosmetic work
- Exempt Flatwork (sidewalks/patios) not attached to structure
- Exempt Fences (often requires a minor flat-fee permit but no full building review)
Required documents
- Application
- Site plan
- Contractor information
- Building code
- 2021 IBC/IRC per Illinois state mandate.
- Permit validity
- 180 days to commence work.
- Owner-builder
- Standard Illinois owner-occupant exemptions apply.
- Contractor requirements
- Must provide proof of state license for roofing, plumbing, and electrical.
§ 03
Application process
Application → plan check → issuance → inspection → final
- 01 Download Building Permit Application from city website.
- 02 Submit completed form and site plan to City Hall.
- 03 Zoning Officer reviews for setbacks and lot coverage.
- 04 If project involves structural work, it must comply with 2025 state-mandated codes.
§ 04
Fee schedule
Lacon building permit fees
Fee type
Amount
01
Minimum permit fee
$150.00
02
Permit fee formula
Valuation and square footage based.
03
Penalty (no permit)
Penalty for work without permit.
Cash or Check at City Hall.
§ 05
Required inspections
Scheduling and sequence
How to schedule
- Call City Hall at 309-246-6111 to coordinate with Zoning Officer (phone)
- Inspection hours
- Monday-Friday, 8:00 AM - 4:00 PM
Typical sequence: Typical sequence: Stake-out, Footing, Rough-in, Final.
§ 06
Frequently asked
Common questions about Lacon permits
01 Do I need a building permit in Lacon, IL? ▸
Any new construction, additions, or alterations to existing structures including garages, sheds, and fences.
02 How much does a building permit cost in Lacon, IL? ▸
Building permit fees in Lacon, IL are set by the local building department and vary by project type and valuation. The minimum permit fee is $150.00. Fees are calculated as: Valuation and square footage based..
03 How do I apply for a building permit in Lacon, IL? ▸
To apply for a building permit in Lacon, IL, follow these steps: 1. Download Building Permit Application from city website. 2. Submit completed form and site plan to City Hall. 3. Zoning Officer reviews for setbacks and lot coverage. 4. If project involves structural work, it must comply with 2025 state-mandated codes.
04 What work is exempt from building permits in Lacon, IL? ▸
Not all construction work requires a permit in Lacon, IL. The following work is generally exempt: Minor repairs and cosmetic work; Flatwork (sidewalks/patios) not attached to structure; Fences (often requires a minor flat-fee permit but no full building review). When in doubt, confirm with the local building department before starting work.
05 How do I schedule a building inspection in Lacon, IL? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Lacon, IL via: Call City Hall at 309-246-6111 to coordinate with Zoning Officer.
last verified April 2026
source City of Lacon Zoning Department ↗
entry id permits/illinois/marshall/lacon
Educational reference. Permit rules and fees change — confirm current requirements directly with City of Lacon Zoning Department before applying. Jaspector is not legal advice.