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§ IL Lee County
County building permits

Unincorporated Lee County

How to apply for a building permit in unincorporated Lee County, Illinois. Permit authority, application steps, fees, and inspection requirements.

Min. permit fee
$50
Last verified
April 2026
On this page 6
§ 01

Permit authority

Lee County Building and Zoning Office

Street address
112 E. Second Street, 3rd Floor, Old Courthouse, Dixon, IL 61021
Coverage
unincorporated Lee County and county zoning/building matters
Online portal
Permit portal
county website with permit documents and online account features visible on site
§ 02

When a permit is required

Permit triggers and exempt work for Lee County

new buildings, additions, alterations, replacements, foundations, garages, accessory buildings, pools, fences, signs, development permits, temporary permits, commercial and industrial structures, and other regulated work

Required documents
  • building plan, platted survey, floor plan, site plan, septic/well approvals, driveway/access documents, LESA where applicable
Building code
county form says in absence of a Lee County Building Code, use current BOCA, IBC, or NEC for review; current statewide Illinois minimum codes still apply under state law
Permit validity
void if construction has not commenced 50 percent within one year; may be reissued only once; permit also states void after one year from approval
Owner-builder
application must be certified by owner or authorized agent
Contractor requirements
no countywide contractor license rule published; permit form requests contractor information
§ 03

Application process

Application → plan check → issuance → inspection → final

  1. 01
    Obtain the building permit application from the Zoning Office.
  2. 02
    If required, complete LESA review first for qualifying parcels.
  3. 03
    Prepare building plan, floor plan, site plan, and supporting utility/septic/well approvals.
  4. 04
    Secure driveway access, 911 sign, and drainage permits when applicable.
  5. 05
    Submit materials to the Zoning Office for review.
  6. 06
    For commercial work, obtain required inspections and fire approvals before permit issuance.
  7. 07
    Permit is issued by the Lee County Zoning Office.

Source: Lee County Building and Zoning Office ↗

§ 04

Fee schedule

Lee County building permit fees

Fee type
Amount
01
Minimum permit fee
$50
02
Plan check fee
not separately published
03
Permit fee formula
residential living area $0.20/sf; basement $0.20/sf; garages/accessory buildings $0.15/sf; commercial/industrial $0.25/sf; several special-use formulas
04
Reinspection fee
late fee is twice the cost of the building permit; agricultural building penalty fee $150; reissued building permit $50 plus permit cost; other unspecified fees set reasonably by zoning administrator

Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.

§ 05

Required inspections

Scheduling and sequence

Typical sequence: commercial buildings require certificate of inspection by qualified inspector and local fire department approval before permit approval

§ 06

Frequently asked

Common questions about unincorporated Lee County permits

01 Do I need a building permit in unincorporated Lee County, IL?
new buildings, additions, alterations, replacements, foundations, garages, accessory buildings, pools, fences, signs, development permits, temporary permits, commercial and industrial structures, and other regulated work
02 How much does a building permit cost in unincorporated Lee County, IL?
Building permit fees in unincorporated Lee County, IL are set by the local building department and vary by project type and valuation. The minimum permit fee is $50. Fees are calculated as: residential living area $0.20/sf; basement $0.20/sf; garages/accessory buildings $0.15/sf; commercial/industrial $0.25/sf; several special-use formulas. Plan check fee: not separately published.
03 How do I apply for a building permit in unincorporated Lee County, IL?
To apply for a building permit in unincorporated Lee County, IL, follow these steps: 1. Obtain the building permit application from the Zoning Office. 2. If required, complete LESA review first for qualifying parcels. 3. Prepare building plan, floor plan, site plan, and supporting utility/septic/well approvals. 4. Secure driveway access, 911 sign, and drainage permits when applicable. 5. Submit materials to the Zoning Office for review. 6. For commercial work, obtain required inspections and fire approvals before permit issuance. 7. Permit is issued by the Lee County Zoning Office.
last verified April 2026 source Lee County Building and Zoning Office ↗ entry id permits/illinois/lee/unincorporated

Educational reference. Permit rules and fees change — confirm current requirements directly with Lee County Building and Zoning Office before applying. Jaspector is not legal advice.