O'Neil Property Group

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$4,200,000
196 Days On Site

499 W Old Mill Road
Lake Forest, IL 60045

For Sale|Single Family Residence|Active
4
Beds
7
Total Baths
5
Full Baths
2
Partial Baths
5,576
SqFt
$753
/SqFt
1935
Built
County:
Lake
Listing Courtesy of MRED as distributed by MLS Grid of Jameson Sotheby's International Realty
499 W Old Mill Road499 W Old Mill Road499 W Old Mill Road499 W Old Mill Road
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This sprawling Tudor style estate is nestled on nearly 10 enchanting acres. Fully fenced, this amazing property borders a public prairie reserve that has been restored to and beyond the historic Jens Jensen design. The grounds are the design pallet that has created award winning gardens across the entire North-Shore and Wisconsin. Featuring a butterfly garden, an organic potager garden, orchard, vineyard, sprawling lawns, and a stocked fishing and water lily pond. The homes interior has been masterfully decorated and restored to its century old elegance. From the original unique ceiling moldings to the Walnut paneling and bookcases this home is beyond compare. The living room features 10 foot ceilings and is perfectly scaled for entertaining and gathering with family and special friends. The elegant dining room with fireplace and leaded glass windows make seasonal dining inside a very special occasion. Across the marble foyer from the dining room is a Southern facing Cypress paneled library that takes full advantage of the properties fabulous vistas and natural light. Altounian builders expertly crafted the chef's kitchen outfitted with fabulous white shaker cabinets, top-of-the-line appliances and exceptional details and finishes. Adjoining the kitchen via the pool breezeway is the bright and airy family room with seamless access to the terrace, a sleek fireplace and a custom bar, as well as access to a pool bathroom. Above the four car garage is a vaulted ceiling three room in-law suite, with full bath, currently being used as an exercise room, yoga studio and craft space. On the 2nd level you will find four beautiful en-suite bedrooms and baths, including the spacious primary suite with luxurious bath and enormous closet. Venture outdoors and enjoy your own private oasis. The entertainment area revolves around a pool and spa, an outdoor fireplace, multiple gathering areas with seating for thirty, and a pergola dining terrace, featuring an all stainless steel kitchen that can easily accommodate twelve - all working in perfect harmony to create an unparalleled al fresco dining experience. Offering almost 6,000 square feet of living space and a one-of-a-kind outdoor haven this home has been crafted to meet your every need - indoors and out. Horses are allowed, and there is the possibility to also subdivide the property.

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Listing Snapshot
PriceΒ 
$4,200,000
Days On SiteΒ 
196 Days
BedroomsΒ 
4
Inside Area (SqFt)Β 
5,576 sqft
Total BathsΒ 
7
Full BathsΒ 
5
Partial BathsΒ 
2
Lot SizeΒ 
9.62 Acres
Year BuiltΒ 
1935
MLS NumberΒ 
12628867
StatusΒ 
Active
Property TaxΒ 
$45,361
HOA/Condo/Coop FeesΒ 
N/A
Sq Ft SourceΒ 
Assessor
Friends & Family
Recent Activity
a month agoListing updated with changes from the MLS
a month agoStatus changed to Active
2 months agoPrice changed to $4,200,000
6 months agoListing first seen on site
General Features
AcresΒ 
9.62
Attached GarageΒ 
Yes
Direction FacesΒ 
South
GarageΒ 
Yes
Garage SpacesΒ 
4
ParkingΒ 
Heated GarageAttachedGarage
Parking SpacesΒ 
10
Property Sub TypeΒ 
Single Family Residence
SecurityΒ 
Security System
SewerΒ 
Public Sewer
StyleΒ 
Tudor
UtilitiesΒ 
Cable Available
Interior Features
AppliancesΒ 
Double OvenRangeMicrowaveDishwasherBar FridgeWasherDryerDisposalWine RefrigeratorRange HoodWater Purifier OwnedHumidifier
BasementΒ 
UnfinishedFull
CoolingΒ 
Ceiling Fan(s)Central Air
ElectricΒ 
200+ Amp Service
FireplaceΒ 
Yes
Fireplace FeaturesΒ 
Family RoomLiving RoomGas LogDecorative
FireplacesΒ 
3
FlooringΒ 
Hardwood
HeatingΒ 
Natural Gas
InteriorΒ 
Walk-In Closet(s)Entrance FoyerCathedral Ceiling(s)Wet BarIn-Law FloorplanBuilt-in FeaturesBookcases
Laundry FeaturesΒ 
Upper LevelSink
SpaΒ 
Yes
AtriumΒ 
Dimensions - 12X5Level - Main
Bedroom 2Β 
Dimensions - 17X15Level - Second
Bedroom 3Β 
Dimensions - 17X15Level - Second
Bedroom 4Β 
Dimensions - 12X10Level - Second
Dining RoomΒ 
Dimensions - 21X20Level - Main
Exercise RoomΒ 
Dimensions - 19X18Level - Second
Family RoomΒ 
Dimensions - 23X18Level - Main
FoyerΒ 
Dimensions - 21X7Level - Main
KitchenΒ 
Dimensions - 24X21Level - MainDescription - Eating Area-Breakfast Bar,Eating Area-Table Space,Island
LaundryΒ 
Dimensions - 12X10Level - Second
LibraryΒ 
Dimensions - 17X15Level - Main
Living RoomΒ 
Dimensions - 35X21Level - Main
LoftΒ 
Dimensions - 13X11Level - Second
Master BedroomΒ 
Dimensions - 21X14Level - Second
Recreation RoomΒ 
Dimensions - 23X19Level - Second
Walk In ClosetΒ 
Dimensions - 18X14Level - Second
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Exterior Features
Construction DetailsΒ 
Stucco
ExteriorΒ 
BarbecueDog RunOutdoor GrillFire Pit
FencingΒ 
Fenced
Other StructuresΒ 
Outdoor KitchenPergolaGarage(s)
Patio And PorchΒ 
PatioPorch
Pool FeaturesΒ 
In Ground
RoofΒ 
Shake
SpaΒ 
Yes
Community Features
Community FeaturesΒ 
Lake
MLS AreaΒ 
Lake Forest
School DistrictΒ 
Lake Forest High School
TownshipΒ 
West Deerfield
Schools
School District
Lake Forest High School
Elementary School
Everett Elementary School
Middle School
Deer Path Middle School
High School
Lake Forest High School
Listing Courtesy of MRED as distributed by MLS Grid of Jameson Sotheby's International Realty



Based on information submitted to the MLS GRID as of 2026-11-10 09:04 AM UTC. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.
Last checked: 2026-11-10 09:04 AM UTC
MRED DMCA Copyright Information Copyright Β© 2026 Midwest Real Estate Data LLC. All rights reserved.

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