What Remodeling Projects Need a Permit in Chicago’s North Shore? 2026 Guide

The projects that include structural changes, plumbing work, electrical work, HVAC work, and adding or changing the location of decks, windows, and doors require permits. These permits are given by local municipalities instead of the Chicago Department of Buildings. The major work in bathroom nd kitchen remodeling requires permits. Similarly, the places with landmark or historic status need special permits.

Looking for permit costs and approval times by municipality? See our North Shore Remodeling Permits by Village guide.

Does My Remodeling Project Need a Permit?

If you are living in Chicago or any of its suburbs, it's very essential to know which part exactly requires a permit when remodeling. We have created a detailed table for you to know which remodeling work requires permit and why:

You would need to verify individual wording against the municipalities before publishing because permit triggers can differ. The kitchen, bathroom, basement, and other home improvements may require different permits. So you should know the details before starting the projects.

Note: All details below are updated according to recent Chicago and its suburbs requirements and rules (September 2026)

Kitchen Remodeling Permits in Chicago and Suburbs

The kitchen remodeling work that requires structural changes, relocating appliances, moving gas lines, and adding electrical circuits needs permits. Each permit is handled by the local community, and it takes 5 business days to 6 weeks+ for the permit to be issued and approved.

Below are the Kitchen Remodeling works that usually require no permit or simpler approval:

• painting
• countertops
• flooring
• cabinet replacement without moving utilities
• appliance replacement in the same location

You will need the Kitchen Remodeling Permit for:

• moving sink
• moving gas line
• adding electrical circuits
• relocating appliances
• removing walls
• modifying ventilation
• changing windows/doors
• structural work

Kitchen Remodeling in Lake Forest, Kenilworth, Winnekta, and other suburbs has different permit costs ranging from $200 to over $1,500.

Bathroom Remodeling Permits in Chicago and Suburbs

Bathroom remodeling permits are needed for structural and system work, and every local municipality handles it accordingly. If you want bathroom remodeling specifically in Chicago, then use the online Express Permit Program. Most suburbs (like Lake Forest, Highland Park, Glencoe, Kenilworth, etc.) require the general contractors to have a license for plumbing and electrical work. It takes around 2 to 4 weeks to get a bathroom remodeling permit.

The following bathroom remodeling work does not require permits:

• Replacing a vanity without moving plumbing
• Replacing a faucet using existing connections
• Replacing certain plumbing fixtures in the same location
• Replacing an existing light fixture without changing the circuit

A permit is more likely when you change the bathroom:

• Moving a toilet
• Moving a sink
• Moving a shower drain
• Tub-to-shower conversion
• Building a new walk-in or curbless shower
• Adding heated flooring
• Adding outlets
• Adding electrical circuits
• Moving or removing walls
• Enlarging the bathroom
• Installing a new exhaust fan with new wiring or ductwork

The typical cost of a bathroom remodel permit can range from $100 to over $1,000 depending on the project details and work.

Basement Remodeling Permits in Chicago and Suburbs

Remodeling a basement in Chicago and the suburbs requires a permit, especially if you are going to do framing, cutting, or extending window openings, or doing some construction. Every local municipality have their own set of rules, but you can check online permits for Chicago for references too. It takes around 2 to 3 weeks to get a basement remodel.

A basement permit may be required when the project includes:

• New walls or rooms.
• Bedrooms
• Egress windows
• Electrical work
• Plumbing
• Bathroom addition.
• HVAC
• Insulation.
• Structural changes

Finishing an Unfinished Basement vs. Updating a Finished Basement

There is an important difference between finishing an unfinished basement and making cosmetic improvements to an existing finished basement.

If you are converting exposed concrete, open framing, or unfinished utility space into bedrooms, a family room, bathroom, office, or other living space, expect a permit to be required.

Simple cosmetic work in an already-finished basement may not require one. Examples can include:

• Painting
• Replacing carpet or flooring
• Refinishing existing floors
• Replacing trim
• Replacing certain fixtures like-for-like
• Installing shelving or cabinetry without changing plumbing or electrical systems

Once the project involves new walls, plumbing, electrical circuits, HVAC changes, structural work, or a change in how the space is used, permit requirements are much more likely.

Do I Need a Permit to Remove a Wall?

The load-bearing walls or the walls that have utilities installed require permits. Moreover, the walls that create a separation between two areas, like the interior of a home with a garage or fireplace, also require a permit. Most contractors take it easy and say that you do not need a permit for wall removal, but as remodeling experts, we suggest you ask for a permit first. This helps not only to save you from any accident but also from getting sued. Some load-bearing wall removal permits require structural calculations or drawings to understand the building's safety as well.

The wall partition that does not affect the structural integrity of the home usually does not require a permit.

What are Some Home Addition Permits Required?

When you are doing room additions, bump-outs, working on second floors, remodeling the primary suites, fixing the walls with attached garages, or doing any structural alterations, you will need a remodeling permit.

Do Home Additions Require More Than a Building Permit?

Yes, a home addition can involve several approvals beyond the standard building permit. Adding a bedroom, family room, primary suite, bump-out, second story, mudroom, or other new living space changes the size and often the footprint of the house. That means the municipality may review not only how the addition will be built, but also where it can be built and how much of the property it occupies.

Depending on the municipality and project, an addition may involve:

• Zoning Review that can affect the size, height, placement, and sometimes use of the addition.
• An addition generally must remain the required distance from front property lines, side property lines, rear property lines, and streets or corner-side yards
• Some North Shore municipalities limit how much of a residential property can be occupied by buildings and other improvements.
• Some properties and projects may require an additional architectural, historic, or design review.

A typical approval path may look more like:

Property survey → zoning review → setback and lot-coverage check → design or architectural review if applicable → construction drawings → building permit → electrical/plumbing/HVAC approvals → construction inspections → final approval

The exact process varies by municipality and project scope.

Do I Need an Architect or Structural Engineer when I Need a Remodeling Permit?

As discussed above, major structural changes or building an addition can require an engineer. You will also need an engineer when:

• removing a load-bearing wall
• altering beams or columns
• creating large openings
• modifying floor/roof framing
• building an addition

Architectural plans may be required for:

• major additions
• extensive layout changes
• certain municipalities/project scopes
• properties subject to additional design review

Which Trades Need Separate Permits?

Below are some of the additional works that require review or permits:

What Happens If You Remodel Without a Permit?

Remodeling without a permit can not only stop the work order, but it can cause issues in resale when you will have to pay extra for additional drawings. A user on an online forum shared that she did wall removal without a permit because the contractor assured her there was no issue. But after 7 years, when she needed to resell the house, her main structural drawing had that wall inside. To avoid issues during home inspections, she paid around 14k USD for a new structural drawing. This was just one case, but there are many other cases discussed by building owners. So, we advise you to always check for permits before remodeling.

Permit vs Inspection: They Are Not the Same Thing

A remodeling permit gives approval to complete specific construction work, while an inspection verifies that the work meets local building-code requirements at key stages of the project. Depending on the scope, inspections may include rough electrical, rough plumbing, framing, insulation, and a final inspection before the project is closed out. Most larger kitchen, bathroom, basement, and home addition projects require both permit approval and scheduled inspections during construction.

When Should You Apply for the Permit?

Permit planning should begin after the project design and construction plans are developed, but before remodeling work starts. A typical process is design → plans → contractor and trade coordination → permit submission → municipal corrections → permit approval → construction → inspections → final approval. Starting the permit process early can help identify zoning, structural, electrical, plumbing, or plan-review issues before they affect the construction schedule.

Permit Requirements Vary Across the North Shore

Remodeling permit requirements can vary significantly between Lake Forest, Lake Bluff, Highland Park, Deerfield, Northbrook, Northfield, Winnetka, Wilmette, Kenilworth, Glencoe, Glenview, and Evanston. Each municipality may use different permit fees, plan-review procedures, inspection requirements, and approval timelines. For municipality-specific information, see our North Shore Remodeling Permits by Village guide for permit costs, review timelines, and local requirements across all 12 communities.