City Building Permits

Village of Mazon, ILLINOIS Building Permit Guide

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

Illinois Grundy County Updated March 2026

Permit Authority

Incorporated Village of Mazon.

Department: Village of Mazon Planning and Inspections Department
Address: 520 Depot St, Mazon, IL 60444
Phone: 815-448-2151
Website: https://villageofmazon.org/permits-forms/

Online Permit Portal

Open Village of Mazon Permits and Forms

Platform: PDF Document Center • Account required: No • Submission: In-person only

Application Process

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

Typical processing time: Not specified.

Source: Village of Mazon Planning and Inspections Department

General Requirements

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

Required Documents

Plat of Survey
Building plans
Contractor list

Permit validity: Not specified.
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.

Fees

Minimum permit fee: $25.00 (Roof/Deck/Fence)
Plan check fee: Included in permit cost.
Permit fee formula: Flat fees for miscellaneous; $0.30 per sq ft for additions/remodels.
Reinspection fee: Inspection fee for new construction is $500 (covers 4 inspections).
Payment note: Impact fees for new construction total $2,000 plus tap-on fees.

Fees change. Verify current amounts at the official fee schedule (effective 2026-03).

Work That Does NOT Require a Permit

Painting and wallpapering
Non-structural landscaping
Minor repairs

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

Inspections

How to Schedule

815-448-2151 (phone)

Scheduling deadline: 24-hour notice required for scheduling.
Inspection hours: Business hours

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

Additional Resources

Building code: 2021 IBC/IRC (State mandate effective 2025)
Zoning information: View zoning info
J.U.L.I.E. (Call 811 before digging)
License lookup guide: Illinois Contractor License Requirements
Contract template: Illinois Homeowner-Contractor Agreement
Illinois hub: Illinois Contractor License & Permit Hub

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Village of Mazon Planning and Inspections Department before applying.

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Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authority listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.

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