City Building Permits

Sandwich, ILLINOIS Building Permit Guide

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

Illinois DeKalb County Updated March 2026

Permit Authority

City of Sandwich (DeKalb/Kendall counties).

Department
Building Department
Address
144 E. Railroad Street, Sandwich, IL 60548
Phone
815-786-9321
Website
https://www.sandwich.il.us/building-department

Online Permit Portal

Open Cloudpermit

Platform: Cloudpermit • Account required: Yes • Submission: Online only

Application Process

  1. Create account on Cloudpermit.
  2. Start new application and select project type.
  3. Upload required PDFs (Plat of Survey, Plans).
  4. Online review and messaging with building official.
  5. Pay fees online through portal.

Typical processing time: 2 weeks for major projects

Source: Building Department

General Requirements

Any structural, utility, or major exterior work.

Required Documents

  • Plat of Survey
  • Plans
  • Contractor info
Permit validity
Varies by project; 180 days to start
Building code
2018 IRC/IBC (moving toward 2021/2025 standards)
Owner-builder
Allowed with signed waiver/affidavit.
Contractor requirements
Registration required (no fee).

Fees

Minimum permit fee
$50
Plan check fee
Varies by project complexity
Permit fee formula
Combination of square footage and valuation
Reinspection fee
$75 standard
Payment note
Online credit/debit via Cloudpermit

Work That Does NOT Require a Permit

  • Painting, floor coverings, and minor repairs
  • Landscaping (non-structural)

Inspections

How to Schedule

Inspection hours
Weekdays

Typical inspection sequence: Footing, Foundation, Rough, Final

Additional Resources

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

Need help with your project?

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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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