jaspector
City building permits

Village of Mazon

How to apply for a building permit in Village of Mazon, Illinois. Permit authority, application steps, fees, and inspection requirements.

Code adoption
2021 IBC/IRC (State mandate effective 2025)
Min. permit fee
$25.00 (Roof/Deck/Fence)
Last verified
April 2026
On this page 6
§ 01

Permit authority

Village of Mazon Planning and Inspections Department

Street address
520 Depot St, Mazon, IL 60444
Coverage
Incorporated Village of Mazon.
Online portal
Village of Mazon Permits and Forms
PDF Document Center
§ 02

When a permit is required

Permit triggers and exempt work for Mazon

New builds, additions, remodeling, decks, fences, sheds, pools, and roofing (tear-off).

Painting and wallpapering
Non-structural landscaping
Minor repairs
  • Exempt Painting and wallpapering
  • Exempt Non-structural landscaping
  • Exempt Minor repairs

Note: Exempt from building permit does not mean exempt from zoning and planning requirements. Confirm edge cases with Planning and Inspections Department before proceeding.

Required documents
  • Plat of Survey
  • Building plans
  • Contractor list
Building code
2021 IBC/IRC (State mandate effective 2025)
Owner-builder
Homeowners may perform their own work.
Contractor requirements
All contractors must be registered with the Village.

Source: Village of Mazon Planning and Inspections Department ↗

§ 03

Application process

Application → plan check → issuance → inspection → final

  1. 01
    Download application from website or collect at Village Hall.
  2. 02
    Submit with Plat of Survey showing proposed project location and setbacks.
  3. 03
    For fences, ensure post hole depth is noted as 42 inches minimum.
  4. 04
    Submit contractor registration for all trades.

Source: Village of Mazon Planning and Inspections Department ↗

§ 04

Fee schedule

Mazon building permit fees

Fee type
Amount
01
Minimum permit fee
$25.00 (Roof/Deck/Fence)
02
Plan check fee
Included in permit cost.
03
Permit fee formula
Flat fees for miscellaneous; $0.30 per sq ft for additions/remodels.
04
Reinspection fee
Inspection fee for new construction is $500 (covers 4 inspections).

Impact fees for new construction total $2,000 plus tap-on fees.

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

§ 05

Required inspections

Scheduling and sequence

How to schedule
  • 815-448-2151 (phone)
Scheduling deadline
24-hour notice required for scheduling.
Inspection hours
Business hours

Typical sequence: Typical sequence: Footing, Rough-in, Final.

Source: Village of Mazon Planning and Inspections Department ↗

§ 06

Frequently asked

Common questions about Mazon permits

01 Do I need a building permit in Mazon, IL?
New builds, additions, remodeling, decks, fences, sheds, pools, and roofing (tear-off).
02 How much does a building permit cost in Mazon, IL?
Building permit fees in Mazon, IL are set by the local building department and vary by project type and valuation. The minimum permit fee is $25.00 (Roof/Deck/Fence). Fees are calculated as: Flat fees for miscellaneous; $0.30 per sq ft for additions/remodels.. Plan check fee: Included in permit cost..
03 How do I apply for a building permit in Mazon, IL?
To apply for a building permit in Mazon, IL, follow these steps: 1. Download application from website or collect at Village Hall. 2. Submit with Plat of Survey showing proposed project location and setbacks. 3. For fences, ensure post hole depth is noted as 42 inches minimum. 4. Submit contractor registration for all trades.
04 What work is exempt from building permits in Mazon, IL?
Not all construction work requires a permit in Mazon, IL. The following work is generally exempt: Painting and wallpapering; Non-structural landscaping; Minor repairs. Note: Exempt from building permit does not mean exempt from zoning and planning requirements. Confirm edge cases with Planning and Inspections Department before proceeding. When in doubt, confirm with the local building department before starting work.
05 How do I schedule a building inspection in Mazon, IL?
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Mazon, IL via: 815-448-2151. 24-hour notice required for scheduling..
last verified April 2026 source Village of Mazon Planning and Inspections Department ↗ entry id permits/illinois/grundy/mazon

Educational reference. Permit rules and fees change — confirm current requirements directly with Village of Mazon Planning and Inspections Department before applying. Jaspector is not legal advice.

§   Adjacent

Other jurisdictions in Grundy County.

Same county, different permit office. Click for that jurisdiction's full guide.

All Grundy County jurisdictions →