City Of Lake Forest Building Department Guide | How to Get Permits

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If you are planning any kind of construction, renovation, addition, deck, fence, roof replacement, or other building work in the City of Lake Forest, Illinois, you will need a building permit from the City of Lake Forest Community Development Department – Building Division.

Many homeowners and contractors search for clear answers about how to apply for a building permit in Lake Forest, what the fees are in 2026, and how to check the status of their application quickly using the BS&A Online portal.

This guide explains the entire process in simple language so you can understand what to do, what to expect, and how to avoid common problems that slow things down.

Whether you are a homeowner doing your own work or a contractor handling a larger job, the steps are the same and the goal is to get your permit approved smoothly and on time.

Lake Forest Building Department Contact Information 2026

  • Address: 220 East Deerpath, Lake Forest, IL 60045
  • Phone: (847) 810-3521 (Building Permits) or (847) 234-2600 (main line)
  • Email: gaylordc@cityoflakeforest.com (Carolynn Gaylord – primary contact)
  • Hours: Monday–Friday, 8:00 AM – 4:30 PM

Official Page: Lake Forest Building Permits

220 East Deerpath, Lake Forest, IL 60045

Official Portal: City of Lake Forest BS&A Online Portal

  1. Go to the BS&A Online portal (public search available).
  2. Search by property address or permit number.
  3. View the current status, approved plans, fees paid, and inspection history.

How to Apply for Lake Forest Building Permits 2026

Here is the clear step-by-step process that most people follow to get their permit approved as smoothly as possible.

  1. Go to the City of Lake Forest BS&A Online portal and create or log into your account (contractors are encouraged to register).
  2. Complete the permit application and prepare construction documents (digital submittal preferred).
  3. Upload drawings, site plans, specifications, and supporting documents (staff can assist with scanning smaller plans if needed).
  4. Submit the application electronically or in person if required.
  5. Pay the plan review deposit and any required fees (cash, check, or credit card with 2.95% convenience fee accepted).
  6. Respond quickly to any plan review comments from staff.
  7. Once approved, pay the final permit fees and receive your permit.
  8. Display the permit card at the job site before any work begins and schedule inspections.

Lake Forest Building Permit Fees 2026

  • Fees follow the current adopted fee schedule (updated periodically; check the latest on the City website).
  • Plan review and permit fees are required before processing (non-refundable plan review deposit applies).
  • Building permit fees are based on the type and scope of work.
  • Separate fees apply for electrical, plumbing, mechanical, and other trade permits.
  • Credit card payments incur a 2.95% convenience fee.
  • Work started without a permit can result in double fees plus possible fines or a Stop Work Order.

Required Documents Checklist

  • Completed building permit application
  • Detailed construction drawings and specifications
  • Site plan showing existing structures and proposed work
  • Proof of contractor license and insurance
  • Owner-Builder documents if applicable
  • Any required trade permit applications

How to Schedule Inspections in Lake Forest

Schedule inspections online through the BS&A portal (preferred) or by contacting staff. Have your approved plans and the permit card ready when the inspector arrives. Re-inspection fees may apply for failed or missed inspections.

Contractor Registration & Owner-Builder

Contractors must provide proof of license and insurance. Homeowners can apply as owner-builders but must take full responsibility for code compliance and job safety. Digital submittals are encouraged for efficiency.

Local Insider Tips That Really Help

  • Use the BS&A Online portal for digital submission of applications and documents – it speeds up processing significantly.
  • Submit complete and clearly labeled drawings the first time to avoid delays in plan review.
  • Contact Carolynn Gaylord at (847) 810-3521 early if you are unsure whether a permit is required for your project.
  • Prepare for plan review deposits and possible credit card convenience fees when paying.
  • Check for any existing code violations or open permits on the property before starting a new application.

Frequently Asked Questions

How do I search for existing building permits in Lake Forest?

Use the BS&A Online portal by property address or permit number.

How to apply for a Lake Forest building permit?

Submit applications and documents online via the BS&A portal (preferred). Staff can assist with scanning smaller plans if needed.

What are the Lake Forest building permit fees in 2026?

Fees include plan review deposits and building permit fees based on the scope of work. Credit card payments incur a 2.95% convenience fee. Check the current fee schedule.

Can I pull my own permit as an owner-builder in Lake Forest?

Yes. Owner-builders can apply but must take full responsibility for code compliance and job safety.

How long does it take to get a building permit in Lake Forest?

Simple projects can be processed quickly. More complicated jobs usually take between one and three weeks depending on how complete your submission is.

Official Resources

Updated April 2026 using only official City of Lake Forest sources. Digital submission via the BS&A portal is strongly encouraged for faster processing.

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