435 Thorne Lane
Lake Forest, IL 60045
$4,950,000
Set on 1.28 acres at the end of a quiet East Lake Forest cul-de-sac, this exceptional contemporary home offers 8,078 square feet above grade plus finished lower level. Walls of glass, a dramatic floating staircase and open living spaces frame views of the pool, terraces and wooded ravine. The kitchen features custom ebony cabinetry, high-end appliances and a large island and opens directly to the family room and outdoor living areas. Substantial recent improvements include new HVAC systems, a new heated driveway, extensive landscaping and drainage work, custom interior upgrades, a whole-house generator and a Crestron lighting and shade-control system. The lower level includes a media room, workout room, bar, guest accommodations and indoor sport court, while the renovated in-law suite has its own kitchen and den. Additional highlights include six bedrooms, 7.1 baths, an elevator, heated pool and spa, screened porch with retractable screens and fireplace, and a heated garage that can accommodate up to 6 cars.
| Listing Id: | 12718757 |
|---|---|
| Property Type: | Residential |
| Status: | Active |
| Bathrooms Full: | 7 |
| Living Area: | 8,078 |
| County Or Parish: | Lake |
| Postal Code: | 60045 |
| Association Fee Includes: | None |
| Basement: | true |
| Bathrooms Total Integer: | 8 |
| Below Grade Finished Area: | 3,754 |
| Community Features: | Street Paved |
| Cooling: | Central Air |
| Electric: | Service - 400 Amp or Greater |
| Elementary School: | Sheridan Elementary School |
| Fireplace Features: | Double Sided, Wood Burning, Gas Log, Gas Starter, Masonry |
| Garage Spaces: | 6 |
| Green Energy Efficient: | Geothermal Heating/Cooling System |
| High School: | Lake Forest High School |
| Interior Features: | Wet Bar, Elevator, 1st Floor Bedroom, In-Law Floorplan, 1st Floor Full Bath, Built-in Features, Walk-In Closet(s) |
| Laundry Features: | Main Level, Upper Level, Gas Dryer Hookup, Laundry Closet, Multiple Locations, Sink |
| Living Area Source: | Plans |
| Lot Size Acres: | 1.28 |
| Middle Or Junior School District: | 67 |
| Age: | 16-20 Years |
| Agent Owned/Interest (Y/N): | No |
| Assessor Square Footage: | 10751 |
| Attic: | Pull Down Stair |
| Bath Amenities: | Separate Shower, Steam Shower, Double Sink, Soaking Tub |
| Basement Bathrooms (Y/N): | Yes |
| Basement Sq Ft: | 3,754 |
| Dining Room: | Separate |
| Fireplace Location: | Family Room, Living Room, Master Bedroom |
| Market Code: | Active |
| Rehab Year: | 2022 |
| Is Parking Included In Price: | Yes |
| Total Sq Ft: | 8078 |
| Tax Exemptions: | Homeowner |
| Update Date: | 2026-10-04T05:05:11 |
| Upper Sq Ft: | 3343 |
| Other Equipment: | Security System, CO Detectors, Sump Pump, Sprinkler-Lawn, Backup Sump Pump;, Generator, Multiple Water Heaters |
| Parcel Number: | 12341010230000 |
| Parking Total: | 6 |
| Rooms Total: | 16 |
| Sewer: | Public Sewer |
| State Or Province: | IL |
| Township: | Shields |
| Water Source: | Lake Michigan |
| Exposure: | West |
| Lot Size Source: | County Records |
| New Construction Y/N: | No |
| Flood Zone: | No |
| List Price: | $4,950,000 |
|---|---|
| Property Type: | Detached Single |
| Bedrooms Total: | 5 |
| Bathrooms Half: | 1 |
| Parking On Site: | Yes |
| Tax Annual Amount: | $72,427 |
| Architectural Style: | Modern |
| City: | Lake Forest |
| Year Built: | 2009 |
| Appliances: | Double Oven, Microwave, Dishwasher, High End Refrigerator, Bar Fridge, Freezer, Washer, Dryer, Disposal, Wine Refrigerator, Cooktop, Range Hood, Humidifier |
| Association Fee Frequency: | Not Applicable |
| Basement: | Finished, Exterior Entry, 9 ft + pour, Rec/Family Area, Full |
| Bedrooms Possible: | 6 |
| Construction Materials: | Stucco, Stone |
| Directions: | East on Deerpath to Sheridan Road, South to Rosemary, East to Thorne, north to address, on cul-de-sac. |
| Elementary School District: | 67 |
| Exterior Features: | Balcony, Hot Tub |
| Fireplaces Total: | 3 |
| Foundation Details: | Concrete Perimeter |
| Heating: | Natural Gas, Forced Air, Radiant, Zoned, Radiant Floor |
| High School District: | 115 |
| Lot Features: | Cul-De-Sac, Landscaped, Mature Trees |
| Lot Size Dimensions: | 297X112X110X234X95X40X38X142 |
| Middle Or Junior School: | Deer Path Middle School |
| MLS Area Major: | Lake Forest |
| Aprox. Total Finished Sq Ft: | 11832 |
| Built Before 1978 (Y/N): | No |
| Bedrooms (Below Grade): | 1 |
| Corporate Limits: | Lake Forest |
| Disability Access And/Or Equipped: | No |
| General Information: | School Bus Service, Commuter Train |
| Lot Size: | 1.0-1.99 Acres |
| Main Sq Ft: | 4735 |
| Master Association Fee Frequency: | Not Required |
| Rebuilt (Y/N): | No |
| Rehab (Y/N): | Yes |
| Rural (Y/N): | N |
| Offered For Sale Or Rent: | No |
| Special Assessments: | N |
| Special Service Area: | N |
| Total Finished/Unfinshed Sq Ft: | 11832 |
| Type Detached: | 2 Stories |
| Window Features: | Screens |
| Zero Lot Line: | No |
| Original List Price: | $4,950,000 |
| Ownership: | Fee Simple |
| Parking Features: | Asphalt, Heated Driveway, Garage Door Opener, Heated Garage, Yes, Garage Owned, Attached, Garage |
| Possession: | Closing |
| Roof: | Metal |
| Room Type: | Bedroom 5, Bedroom 6, Den, Exercise Room, Family Room, Media Room, Office, Screened Porch, Sitting Room |
| Special Listing Conditions: | List Broker Must Accompany |
| Tax Year: | 2025 |
| Actual Status: | Active |
| Patio And Porch Features: | Patio, Porch, Screened |
| Activation Date: | 2026-09-28 |
| Pool Features: | In Ground |
| Habitable Residence?: | Yes |
Listing Courtesy of: Compass
Listing Agent: Lori Baker
(847) 863-1791
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Midwest Real Estate Data LLC data last updated on October 08, 2026 04:15 PM - CT
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Property Last Updated: October 08, 2026 04:15 PM - CT
