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For sale
  • $2,700,000

    154-156 Prospect St, West Boylston, MA 01583

    8beds
    6,600sqft
    : 
    Single Family Residence
    Built in 1919
    5.28 Square Feet Lot
    $-- Zestimate®
    $409/sqft
    $-- HOA

    What's special

    Spa-like bathBirch hardwood floorsMahogany coffered ceilingsCustom trim
    The Keyes Castle Mansion. Experience luxury and privacy in this enchanting Tudor Revival mansion, one of the last standing in West Boylston. Built on a nearly 6-acre property, and backed by 30+ acres of state-owned watershed land, ensuring seclusion and tranquility. Recently renovated with a million-dollar modernization effort, this 19-room estate blends historic charm with modern luxuries, including birch hardwood floors, custom trim, and mahogany coffered ceilings in the ballroom and dining room. The estate features 8 spacious bedrooms, 5 full and 1/2 baths, and an enormous master bedroom with a walk-in closet and spa-like bath. Enjoy modern amenities like an 8-burner ILVE Italian dual fuel stove and a 48” Sub-Zero refrigerator. A 700-foot driveway provides privacy, while the location remains convenient to Worcester and Boston, just a 50-minute drive away. This rare opportunity offers a unique blend of history, luxury, and seclusion. See attachments.
    3 days
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    Zillow last checked: 7 hours ago

    Listing updated: August 05, 2025 at 11:07am

    Listed by:

    John McHugh Real Estate Group,

    Coldwell Banker Realty - Wellesley

    Source: MLS PIN,MLS#: 73413816
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    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 8
    • Bathrooms: 6
    • Full bathrooms: 5
    • 1/2 bathrooms: 1
    Primary bedroom
    • Features: Bathroom - Full, Walk-In Closet(s), Flooring - Hardwood, Flooring - Wall to Wall Carpet, Window(s) - Picture, Dressing Room, Recessed Lighting, Remodeled, Wainscoting, Lighting - Sconce, Archway, Crown Molding, Closet - Double, Decorative Molding
    • Level: Second
    Bedroom 2
    • Features: Bathroom - Full, Closet, Flooring - Hardwood, Crown Molding, Decorative Molding
    • Level: Second
    Bedroom 3
    • Features: Bathroom - Full, Closet, Flooring - Hardwood, Crown Molding, Decorative Molding
    • Level: Second
    Bedroom 4
    • Features: Bathroom - Full, Closet, Flooring - Hardwood, Crown Molding, Decorative Molding
    • Level: Second
    Bedroom 5
    • Features: Closet
    • Level: Second
    Primary bathroom
    • Features: Yes
    Bathroom 1
    • Features: Bathroom - Half, Lighting - Overhead, Crown Molding, Decorative Molding
    • Level: First
    Bathroom 2
    • Features: Bathroom - Full, Bathroom - Tiled With Tub & Shower, Flooring - Stone/Ceramic Tile, Countertops - Stone/Granite/Solid, Remodeled, Lighting - Sconce, Lighting - Pendant, Soaking Tub
    • Level: Second
    Bathroom 3
    • Features: Bathroom - Full, Bathroom - Tiled With Tub & Shower, Closet, Flooring - Stone/Ceramic Tile, Countertops - Stone/Granite/Solid, Remodeled, Lighting - Sconce
    • Level: Second
    Dining room
    • Features: Beamed Ceilings, Closet/Cabinets - Custom Built, Flooring - Hardwood, Window(s) - Picture, French Doors, Wainscoting, Lighting - Sconce, Lighting - Overhead, Decorative Molding
    • Level: First
    Kitchen
    • Features: Flooring - Hardwood, Window(s) - Picture, Countertops - Stone/Granite/Solid, Exterior Access, Open Floorplan, Recessed Lighting, Remodeled, Gas Stove
    • Level: Main,First
    Living room
    • Features: Coffered Ceiling(s), Flooring - Hardwood, Window(s) - Bay/Bow/Box, French Doors, Open Floorplan, Crown Molding
    • Level: Main,First
    Office
    • Features: Closet/Cabinets - Custom Built, Flooring - Hardwood, Wainscoting, Lighting - Overhead, Crown Molding
    • Level: Main
    Heating
    • Central, Forced Air, Electric Baseboard, Heat Pump, Electric, Propane, Ductless
    Cooling
    • Heat Pump, 3 or More
    Appliances
    • Laundry: Flooring - Stone/Ceramic Tile, Main Level, Cabinets - Upgraded, Remodeled, First Floor, Electric Dryer Hookup, Washer Hookup
    Features
    • Closet/Cabinets - Custom Built, Wainscoting, Lighting - Overhead, Crown Molding, Cathedral Ceiling(s), Closet, Open Floorplan, Slider, Archway, Decorative Molding, Attic Access, Bathroom - Full, Bathroom - Tiled With Tub & Shower, Dining Area, Countertops - Stone/Granite/Solid, Country Kitchen, Vestibule, Office, Sun Room, Entry Hall, Center Hall, Accessory Apt., Walk-up Attic
    • Flooring: Tile, Hardwood, Flooring - Hardwood, Flooring - Stone/Ceramic Tile
    • Doors: French Doors
    • Windows: Bay/Bow/Box, Picture, Screens
    • Basement: Full,Walk-Out Access,Interior Entry,Concrete,Unfinished
    • Number of fireplaces: 4
    • Fireplace features: Dining Room, Living Room, Master Bedroom
    Interior area
    • Total structure area: 6,600
    • Total interior livable area: 6,600 sqft
    • Finished area above ground: 6,600

    Property

    Parking
    • Total spaces: 20
    • Parking features: Detached, Off Street
    • Garage spaces: 3
    Features
    • Patio & porch: Deck - Exterior, Porch, Patio
    • Exterior features: Porch, Patio, Balcony, Barn/Stable, Professional Landscaping, Decorative Lighting, Screens, Garden, Guest House, Horses Permitted, Stone Wall
    • Has view: Yes
    • View description: Scenic View(s)
    Lot
    • Size: 5.28 Square Feet
    • Features: Wooded
    Details
    • Additional structures: Barn/Stable, Guest House
    • Zoning: -
    • Horses can be raised: Yes

    Construction

    Type & style
    • Home type: SingleFamily
    • Architectural style: Tudor
    • Property subtype: Single Family Residence
    Materials
    • Frame
    • Foundation: Concrete Perimeter
    • Roof: Slate
    Condition
    • Remodeled
    • Year built: 1919

    Utilities & green energy

    • Electric: 200+ Amp Service
    • Sewer: Private Sewer
    • Water: Public, Private
    • Utilities for property: for Gas Range, for Electric Range, for Gas Oven, for Electric Oven, for Electric Dryer, Washer Hookup, Icemaker Connection

    Community & HOA

    Community
    • Features: Park, Walk/Jog Trails, Stable(s), Golf, Bike Path, Conservation Area, Highway Access
    • Security: Security System
    HOA
    • Has HOA: No
    Location
    • Region: West Boylston

    Financial & listing details

    • Price per square foot: $409/sqft
    • Tax assessed value: $1,034,100
    • Annual tax amount: $14,343
    • Date on market: 8/5/2025
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