Glyndon, MD 21136 3366 Belmont Avenue

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Presented By: Monument Sotheby's International Realty
  • MLS# MDBC2158470
  • 04/06/2026
  • Request Tour
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  • Beds • 7
  • Full/Half Baths • 9 / 1
  • SQFT • 16,767
  • Garage • 3

Home Details

Set in the heart of Marylands storied Worthington Valley, Sagamore Farm offers an extraordinary opportunity to own one of the most iconic estates in American Thoroughbred racing. Founded in 1925 by Isaac Emerson and later entrusted to Alfred G. Vanderbilt Jr., Sagamore rose to international prominence as a premier breeding and training ground, producing legendary racehorses and hosting generations of equestrian excellence. Today, the estate spans over 524 acres of rolling pastures framed by classic white board fencing, thoughtfully restored to honor its legacy while supporting modern operations. At its center, a stately 16,000+ square foot residence offers gracious, light-filled living spaces designed for both refined entertaining and everyday comfort. A richly appointed library provides a quiet retreat, while the formal dining room, scaled for memorable gatherings, sets the stage for elegant evenings. Each of the six upper-level bedrooms features its own en-suite bath, creating a private sanctuary for family and guests alike. The equestrian facilities are equally exceptional. A 3/4-mile (six-furlong) Tapeta synthetic training track delivers superior footing, complemented by the iconic Clockers Tower with a viewing lounge, kitchenette, and dining area offering an elevated vantage point for overseeing training or hosting with ease. The property includes a comprehensive collection of barns, including a stallion barn, training barn, broodmare barn, and foaling barn, along with expansive turnout paddocks. Vanderbilt's original home remains on the property, providing residence for a general manager, while the well-appointed bunkhouse provides comfortable accommodations for staff and jockeys. Also on the grounds is an historic natural spring house, adding a distinctive nod to the lands enduring heritage. With its unmatched pedigree, world-class infrastructure, and timeless setting, Sagamore Farm represents a rare offering equally suited for a premier Thoroughbred operation or a visionary expansion into additional equestrian disciplines. A legacy property of remarkable scale, significance, and possibility. With effortless access to I-83, I-695, BWI Airport, Washington, D.C., New York, and central to the worlds most prestigious racing venues, Sagamore Farm stands ready for its next chapter.
Presented By: Monument Sotheby's International Realty

Interior Features for 3366 Belmont Avenue

Bedrooms

Bedrooms Count All Lower Levels0
Bedrooms Count All Upper Levels6
Bedrooms Count Lower Level 10
Bedrooms Count Upper Level 15
Bedrooms Count Upper Level 21
Main Level Bedrooms1
Total Bedrooms7

Bathrooms

Bathrooms Half Upper Level 20
Bathrooms Half Upper Level 10
Bathrooms Half Main Level1
Bathrooms Half Lower Level 10
Bathrooms Half All Upper Levels0
Bathrooms Half All Lower Levels0
Bathrooms Full Upper Level 21
Bathrooms Full Upper Level 15
Bathrooms Full Lower Level 11
Bathrooms Full All Upper Levels6
Bathrooms Full All Lower Levels1
Bathrooms Count Upper Level 21.00
Bathrooms Count Upper Level 15.00
Bathrooms Count Lower Level 11.00
Bathrooms Count All Upper Levels6
Bathrooms Count All Lower Levels1
Half Baths1
Total Baths10

Other Interior Features

LivingAreaSourceEstimated
Below Grade Unfin Area UnitsSquare Feet
Below Grade Unfin SQFT3958
Below Grade Unfin SQFT SourceEstimated
Above Grade Finished Area15633
Above Grade Finished Area SourceEstimated
Above Grade Finished Area Unit TypeSquare Feet
BasementDaylight, Full, Partially Finished
Basement (Y/N)Yes
Below Grade Finished Area1134
Below Grade Finished Area SourceEstimated
Below Grade Finished Area Unit TypeSquare Feet
Central Air Y/NYes
Fireplace Y/NYes
FlooringHardwood
Heating FuelElectric, Oil
Heating Y/NYes
Hot WaterElectric
Interior AmenitiesBreakfast Area, Built-Ins, Additional Stairway, Chair Railings, Crown Moldings, Curved Staircase, Elevator, Floor Plan - Traditional, Formal/Separate Dining Room, Kitchen - Gourmet, Kitchen - Island, Primary Ba
Number of Elevators1
Total Fireplaces4

Other Rooms

Room TypeLiving Room, Dining Room, Bedroom 2, Bedroom 3, Bedroom 4, Bedroom 5, Kitchen, Den, Library, Breakfast Room, Bedroom 1, Exercise Room, Great Room, Laundry, Office, Storage Room, Bathroom 1, Bathroom 2, Bathroom 3, Cons

Room Details for 3366 Belmont Avenue

Bathroom 1

level Main

Bathroom 1 # 2

level Lower 1

Bathroom 1 # 3

level Upper 1

Bathroom 1 # 4

level Upper 2

Bathroom 2

level Main

Bathroom 2 # 2

level Upper 1

Bathroom 3

level Upper 1

Bedroom 1

level Main

Bedroom 1 # 2

level Upper 1

Bedroom 1 # 3

level Upper 2

Bedroom 2

level Upper 1

Bedroom 3

level Upper 1

Bedroom 4

level Upper 1

Bedroom 5

level Upper 1

Breakfast Room

level Main

Conservatory Room

level Main

Den

level Lower 1

Dining Room

level Main

Exercise Room

level Lower 1

Full Bath

level Upper 1

Full Bath # 2

level Upper 1

Great Room

level Main

Half Bath

level Main

Kitchen

level Main

Laundry

level Main

Library

level Main

Living Room

level Main

Office

level Lower 1

Storage Room

level Lower 1

General for 3366 Belmont Avenue

AccessibilityElevator
Additional Parcels Y/NYes
Architectural StyleOther
Bathrooms Count Main Level3.00
Bathrooms Full Main Level2
CityGLYNDON
Condo/Coop Association fee Y/NNo
Construction MaterialsBrick
Cool FuelElectric
CoolingCentral A/C
CountyBALTIMORE
DirectionsTufton Avenue to Belmont Avenue
Full Baths9
Garage Spaces3.00
Garage Y/NYes
HOANo
HeatingForced Air
Levels4
Living Area16767
Lot Size Square Feet22825440.00
Lot Size UnitsSquare Feet
New ConstructionNo
Other StructuresAbove Grade, Below Grade
OwnershipFee Simple
Patio/Porch FeaturesPatio(s), Porch(es), Terrace
PossessionNegotiable
Price Per Sq Ft Total AG1055.46
Property TypeResidential
School DistrictBALTIMORE COUNTY PUBLIC SCHOOLS
Senior Community Y/NNo
SewerSeptic Exists
Standard StatusActive
StatusACTIVE
Structure TypeDetached
Subdivision NameWORTHINGTON VALLEY
Tax Annual Amount25007.0
Tax Assessed Value2238533.0
Tax Year2026
Total Rooms29
Total SQFT20725
Vacation Rental Y/NNo
Water Access Y/NNo
Year Built1995
Year Built SourceEstimated
ZoningAG

Exterior for 3366 Belmont Avenue

# of Attached Garage Spaces3
Exterior AmenitiesOutbuilding(s), Other
Foundation DetailsOther
Garage FeaturesGarage - Side Entry
Horse Amenities Horses Allowed, Paddock, Stable(s), Riding Ring
Horse Y/NYes
Land Assessed Value227200.00
Land Use CodeA
Lot Size Acres524.00
Lot Size SourceEstimated
Navigable Water Y/NNo
Other EquipmentNegotiable
PoolNo Pool
Total Parking Spaces3
Type of ParkingAttached Garage
Water Oriented Y/NNo
Water SourceWell
Water View Y/NNo
Waterfront Y/NNo

Additional Details

Price History

Lydia Hudson

Agent
Price $16,500,000
MLS#MDBC2158470
List Date 04/06/2026
Property Type Single Family
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