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275 Sussex Lane, Lake Forest, IL – $5,300,000

  • 8 Beds
  • 11 Baths
  • 11,000 Sqft
  • 2.09 Acres
  • 8 Beds
  • 11 Baths
  • 11,000 Sqft
  • 2.09 Acres

275 Sussex Lane

Introducing "The Adler," a magnificent French country estate, set on over two acres of breathtaking grounds in Lake Forest. Built by renowned architect David Adler in 1914, this 11,000 sq ft estate embodies timeless elegance. The property features an incredible grand foyer, parlor, library, media room, and an elegant kitchen with an additional service kitchen. With eight spacious bedrooms and ten bathrooms, this home is the epitome of sophistication and grandeur. Inside, you'll find grand chandeliers, ornate moldings, 11-foot ceilings, herringbone parquet floors, and custom marble throughout. The home also boasts luxurious 24kt gold Sherle Wagner bathroom fixtures, adding an extra layer of refinement. This French country-style estate offers resort-like amenities, including a swimming pool, spa, tennis court, and formal gardens. Owned by only four families throughout its history, the property retains a rich legacy and unmatched allure. The living room and dining room overlook the lush gardens, while the library, with its paneled walls, provides a secluded retreat for work or relaxation. The second floor hosts all eight bedrooms on one level, while the third floor offers an entertaining space complete with a "speakeasy" bar, dance room, sauna, and full bath. For car enthusiasts, The Adler features a three-car garage. Surrounded by mature trees and lush landscaping, this estate offers the ultimate in privacy and serenity. "The Adler" is truly a masterpiece of architectural design and historical significance in Lake Forest.

Essential Information

  • MLS® #12527151
  • Price$5,300,000
  • Taxes$53,634
  • Bedrooms8
  • Bathrooms11.00
  • Full Baths8
  • Half Baths3
  • Square Footage11,000
  • Acres2.09
  • Year Built1914
  • TypeResidential
  • Sub-TypeDetached Single
  • StyleFrench Provincial
  • StatusActive

Community Information

  • Address275 Sussex Lane
  • AreaLake Forest
  • CityLake Forest
  • CountyLake
  • StateIL
  • Zip Code60045

Amenities

  • Parking Spaces12
  • # of Garages3

Parking

Concrete, Side Driveway, Garage Door Opener, Yes, Garage Owned, Detached, Driveway, Oversized, Secured, Storage, Owned, Garage

Interior

  • Interior FeaturesSauna, Hot Tub, Wet Bar
  • HeatingSteam, Radiator(s)
  • Has BasementYes
  • FireplaceYes
  • # of Fireplaces4
  • FireplacesWood Burning, More than one
  • Stories3 Stories

Appliances

Double Oven, Range, Microwave, Dishwasher, Refrigerator, High End Refrigerator, Bar Fridge, Freezer, Washer, Dryer, Disposal, Trash Compactor, Stainless Steel Appliance(s), Wine Refrigerator, Humidifier

Cooling

Small Duct High Velocity, Zoned

Basement

Partially Finished, Cellar, Exterior Entry, Walk-Out Access

Exterior

  • ExteriorStucco, Stone, Other
  • Exterior FeaturesHot Tub, Other
  • Lot DescriptionLandscaped
  • RoofSlate
  • FoundationConcrete Perimeter

School Information

  • District115
  • ElementaryEverett Elementary School
  • MiddleDeer Path Middle School
  • HighLake Forest High School

Additional Information

  • Days on Market39

Listing Details

Office

@properties Christie's International Real Estate

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Price Change History for 275 Sussex Lane, Lake Forest, IL (MLS® #12527151)

Date Details Change
Status Changed from New to Active

@properties Christie's International Real Estate.

Midwest Real Estate Data LLC Logo The data relating to real estate for sale on this website comes in part from the Broker Reciprocity program of Midwest Real Estate Data LLC. Real Estate listings held by brokerage firms other than Sotheby's International Realty are marked with the Broker Reciprocity logo or the Broker Reciprocity thumbnail logo (a little black house) and detailed information about them includes the names of the listing brokers. Some properties which appear for sale on this website may subsequently have sold and may no longer be available. The information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information deemed reliable but not guaranteed. Many homes contain recording devices, and buyers should be aware they may be recorded during a showing.

Listing information last updated on January 16th, 2026 at 7:00am CST.