City Building Permits

Village of Grayslake, ILLINOIS Building Permit Guide

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

Illinois Lake County Updated March 2026

Permit Authority

All properties within the incorporated Village of Grayslake. (Note: Prairie Crossing subdivision follows Lake County codes)

Department: Building Department
Address: 10 S. Seymour Avenue, Grayslake, IL 60030
Phone: (847) 223-8515
Email: permits@villageofgrayslake.com
Website: https://www.villageofgrayslake.com/

Online Permit Portal

Open Grayslake Online Forms

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

Additional resources:

Building Department

Application Process

Submit application and plans to the Building Department via email or in person
Structural work requires stamped plans from an Illinois licensed architect or structural engineer
Additions > 800 sq. ft. require a site grading plan
Department reviews for compliance with 2021 ICC codes and Watershed Development Ordinance
Pay fees and obtain permit

Typical processing time: Varies; contact department

Source: Building Department

General Requirements

New buildings, additions, structural remodels, decks, fences, patios, driveways, roofing, siding, and window replacements

Required Documents

Completed permit application
Construction plans (stamped by licensed architect/structural engineer for structural work)
Site grading plan (for additions > 800 sq. ft.)

Permit validity: Verify with department
Building code: 2021 International Codes (IBC, IRC, IEBC), 2020 NEC, Illinois Plumbing Code. (Compliant with PA 103-0510). Prairie Crossing uses Lake County 2024 ICC codes
Contractor requirements: Contractors must be properly licensed

Fees

Minimum permit fee: Contact department
Permit fee formula: Varies by project type
Payment note: Fees must be paid before permit issuance

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

Work That Does NOT Require a Permit

Minor cosmetic repairs

Important: Always verify with the Building Department before starting work

Inspections

How to Schedule

(847) 223-8515 (phone)

Inspection hours: Standard business hours

Typical inspection sequence: Rough-in and final inspections are mandatory

Additional Resources

Building code: 2021 International Codes (IBC, IRC, IEBC), 2020 NEC, Illinois Plumbing Code. (Compliant with PA 103-0510). Prairie Crossing uses Lake County 2024 ICC codes
Verify contractor license: Illinois Department of Financial and Professional Regulation
Grayslake Building Department Documents
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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