City Building Permits

Village of Winthrop Harbor, ILLINOIS Building Permit Guide

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

Illinois Lake County Updated March 2026

Permit Authority

All properties within the incorporated Village of Winthrop Harbor.

Department: Building Department
Address: 830 Sheridan Road, Winthrop Harbor, IL 60096
Phone: (847) 872-3846
Website: https://www.winthropharbor.com/

Online Permit Portal

Open Winthrop Harbor Online Portal

Platform: Online/In-Person • Account required: No • Submission: Online only

Additional resources:

Building Department

Application Process

Submit application via the online portal
Village staff is currently updating ordinances to move from 2006 to 2021/2024 International Codes (PA 103-0510)
Contractors must be registered and bonded
Homeowners doing their own work must sign a Homeowner Affidavit
Plan review conducted for structural and safety standards
Pay fees and receive permit

Typical processing time: Varies; contact department

Source: Building Department

General Requirements

All new construction, additions, and structural or mechanical modifications

Required Documents

Completed permit application
Construction plans
Contractor registration information
Homeowner Affidavit (if owner-builder)

Permit validity: Verify with department
Building code: Transitioning from 2006 IBC/IRC to 2021/2024 baseline. Enforces NEC and Illinois Plumbing code. Commercial projects >50% value require qualified inspector certification
Owner-builder: Homeowners doing their own work must sign a Homeowner Affidavit
Contractor requirements: All contractors must be registered and bonded

Fees

Minimum permit fee: Contact department
Permit fee formula: Varies by project type
Payment note: Registration fees required for all contractors

Fees change. Verify current amounts at the official fee schedule (effective Contact department).

Work That Does NOT Require a Permit

Minor cosmetic maintenance

Important: Check with the department for specific exemptions

Inspections

How to Schedule

(847) 872-3846 (phone)

Inspection hours: Standard business hours

Typical inspection sequence: Mandatory inspections as determined by project scope

Additional Resources

Building code: Transitioning from 2006 IBC/IRC to 2021/2024 baseline. Enforces NEC and Illinois Plumbing code. Commercial projects >50% value require qualified inspector certification
Verify contractor license: Illinois Department of Financial and Professional Regulation
Winthrop Harbor Building Portal
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 Building 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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