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$16,500,000 Just Listed

  • For Sale
  • Active
  • Single Family
  • 7 Beds
  • 9 Full Baths
  • 1 Partial Bath
  • 20,725 Sq. Ft.
  • 3 Car Garage
  • Updated 6 hours ago
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Set in the heart of Maryland's 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 440± 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 Clocker's 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 land's 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 world's most prestigious racing venues, Sagamore Farm stands ready for its next chapter.

Full Property Details for 3366 Belmont Ave

General

  • Price: $16,500,000
  • Taxes: $25,007 (2026)
  • Status: Active
  • Type: Single Family
  • Source: BrightMLSMidAtlantic
  • MLS ID: MDBC2158470
  • Updated: Today (4/6/2026)
  • Added to Site: Today

Interior

  • Number of Rooms: 29
  • Rooms/Areas: Living 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, Conservatory Room, Full Bath, Half Bath
  • Interior Features: Breakfast Area, Built-Ins, Additional Stairway, Chair Railings, Crown Moldings, Curved Staircase, Elevator, Floor Plan - Traditional, Formal/Separate Dining Room, Kitchen - Gourmet, Kitchen - Island, Primary Bath(s), Window Treatments, Wood Floors
  • Fireplace: Yes
  • Number of Fireplaces: 4
  • Flooring: Hardwood

Rooms

Bathrooms

  • Total Bathrooms: 10
  • Full Bathrooms: 9
  • Half Bathrooms: 1
  • Upper 2 - Full Baths: 1
  • Upper Floor Baths: 6
  • Upper - Full Baths: 6
  • Main Floor Baths: 3
  • Main - Full Baths: 2
  • Main - 1/2 Baths: 1
  • Lower Floor Baths: 1
  • Lower - Full Baths: 1

Bedrooms

  • Total Bedrooms: 7
  • Bedrooms Upper: 6
  • Bedrooms-Up2: 1
  • Bedrooms Main & Up: 1

Additional Information

  • Equipment: Negotiable

Exterior

  • Exterior Features: Outbuilding(s), Other
  • Porch/Patio/Deck: Patio(s), Porch(es), Terrace

Parking

  • Garage: Yes
  • Garage Spaces: 3
  • Total Spaces: 3
  • Parking Type: Attached Garage
  • Garage Description: Garage - Side Entry

Location

  • County: BALTIMORE
  • Subdivision: WORTHINGTON VALLEY
  • Driving Directions: Tufton Avenue to Belmont Avenue

School Information

  • School District: Baltimore County Public Schools

Heating & Cooling

  • Central air: Yes
  • Cooling Type: Central A/C
  • Cooling Fuel: Electric
  • Heating Type: Forced Air
  • Heating Fuel: Electric, Oil
  • Water Heater: Electric

Utilities

  • Sewer: Septic Exists
  • Water: Well

Structural Information

  • Architectural Style: Other
  • Structure Type: Detached
  • Construction: Brick
  • Basement: Yes
  • Basement Desc.: Daylight, Full, Partially Finished
  • Foundation: Other
  • Elevator(s ): 1
  • Stories Description: Lower 1, Main, Upper 1, Upper 2
  • Square Feet: 20,725
  • Sq. Ft. Source: Estimated
  • Living Area: 16,767 Sq. Ft.
  • Finished Above Grnd: 15,633 Sq. Ft.
  • Finished Below Grnd: 1,134 Sq. Ft.
  • Year Built: 1995
  • Year Built Source: Estimated

Unit Information

Unit 1

  • Bathrooms-Lower: 1

Additional Structures

  • Other Structures: Barn, Barn/Stable, Shed Shop, Silo(s), Spring House, Storage Barn/Shed, Tenant House, Other

Lot Features

  • Lot Size (Acres): 440
  • Lot Size (Sq. Ft.): 19,166,400
  • Lot Size Source: Estimated
  • Zoning: AG

Horse Property

  • Horse Property: Yes
  • Horse Facility Desc.: Horses Allowed, Paddock, Stable(s), Riding Ring

Financial Considerations

  • Price Per Sq. Ft.: $1,055.46
  • Assessment Year: 2026
  • County Tax: $25,007
  • County Tax Freq: Annually
  • Tax w/Assessment: $2,238,533
  • Tax Amount: $25,007
  • Tax Year: 2026

Disclosures and Reports

  • Ownership: Fee Simple
  • Multiple Parcels: Yes

Listed by Monument Sotheby's International Realty, Christina Giffin and Monument Sotheby's International Realty, Diane M Donohue

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Listing agents

— 3366 Belmont Ave —

  • Christina Giffin

    Monument Sotheby's International Realty

  • Diane M Donohue

    Monument Sotheby's International Realty

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 3366 Belmont Ave

School District:Baltimore County Public Schools
NameGradesDistance
Franklin Elementary School, Reisterstown, MD
33 Cockeys Mill Road, Reisterstown, MD 21136
K-54 mi
Franklin Middle School, Reisterstown, MD
10 Cockeys Mill Road, Reisterstown, MD 21136
6-83.9 mi
Franklin High School, Reisterstown, MD
12000 Reisterstown Road, Reisterstown, MD 21136
9-124.2 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 3366 Belmont Ave Get Price Alerts and Save Property

Date
Details
Price
Change
Source
4/06/2026
Listed
$16,500,000
230.98%
MLS
4/01/2008
Sold
$4,985,250
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 3366 Belmont Ave

Year
Property Taxes
Change
Tax Assessment
Change
2025
$356
118%
$29,367
9%
2023
$163
-45%
$26,900
2%
2022
$297
-5%
$26,400
2%
2021
$314
—
$25,900
—
2020
$314
—
$25,900
—
2019
$314
1%
$25,900
—
2017
$311
—
$25,900
—
2016
$311
-1%
$25,900
—
2015
$314
—
$25,900
—
2014
$314
—
$25,900
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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NMLS#: 1598647

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Listed by Monument Sotheby's International Realty, Christina Giffin and Monument Sotheby's International Realty, Diane M Donohue

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3366 Belmont Avenue, Glyndon, MD 21136 (MLS# MDBC2158470) is a Single Family property with 7 bedrooms, 9 full bathrooms and 1 partial bathroom. 3366 Belmont Avenue is currently listed for $16,500,000 and was received on April 06, 2026. Want to learn more about 3366 Belmont Avenue? Do you have questions about finding other Single Family real estate for sale in Glyndon? You can browse all Glyndon real estate or contact a Coldwell Banker agent to request more information.

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