Deck Permit in Chicago, IL (2026)

Everything you need to know about getting a deck permit in Chicago: fees, requirements, exemptions, and direct links to the City of Chicago Department of Buildings (DOB).

Verified from official Chicago sources — Last checked April 2026

Quick Facts for Chicago

Permit Fees

Minimum building permit fee: $302 (2025). Porch/deck/balcony repair or in-kind replacement via Express Permit Program: $250 flat fee per structure.

New deck construction: $302+ (valuation-based). Deck repair/rebuild (Express Permit): $250 flat fee.

Processing Time

Express Permit Program (repairs/in-kind rebuilds): a few business days. Standard plan review: 6-8 weeks. Self-certified plans (by licensed architect/SE): approximately 10 days.

Apply Online

Yes — via E-Plan

Building Code

2019 Chicago Building Code (Title 14B), based on the 2018 IBC with Chicago-specific amendments (effective August 1, 2020)

Do You Need a Deck Permit in Chicago?

Permit Exemption

No permit required for routine maintenance (painting, power washing). No permit required for non-structural repairs (deck boards, stair treads, railing pickets) if no building code violation exists. No permit required for residential porch repair/replacement if less than 6 feet off ground AND no more than 50 sq ft of landing area.

If your deck does NOT meet all exemption criteria, you must obtain a permit before construction. Building without a required permit can result in fines, stop-work orders, and required demolition.

Chicago-Specific Deck Rules

All porch/deck elements must support 100 lbs per square foot live load (higher than the 40 PSF standard in most codes)
Chicago has an Express Permit Program specifically for porch/deck repair and in-kind rebuilding — $250 flat fee
Chicago uses its own building code (Title 14B), not the IRC directly
Porch and deck safety is a major city initiative — Chicago publishes specific safety guidelines
Self-certification by a licensed architect or structural engineer speeds processing to ~10 days
The city has a specific porch/deck safety page with inspection guidance

How to Get a Deck Permit in Chicago

1

Check if your deck needs a permit

Review the exemption criteria above. If your deck exceeds any threshold, a permit is required.

2

Prepare your plans

You'll need a site plan, deck dimensions, framing details, and footing specifications. Check Chicago's specific documentation requirements.

3

Submit your application

Apply through E-Plan . Pay the permit fee at submission.

4

Build and schedule inspections

Once approved, post your permit visibly and schedule required inspections (typically footing, framing, and final).

Official Chicago Resources

Estimate Your Deck Cost

Get an instant cost estimate for your deck project in Chicago.

Deck Cost Calculator

Sources

Data verified April 2026. Fees, processing times, and requirements are subject to change. Always confirm current information with Chicago's City of Chicago Department of Buildings (DOB).