www.seybothteamhomes.com/homes/176348454
401
Beacon Street
, Ph
Boston,
MA
02115
This one-of-one Back Bay penthouse presents a rare combination of scale, privacy, and design. Spanning the top two floors of a corner, boutique building, 6,132 SF is framed by 38 windows on three exposures with sweeping Charles River, skyline, and sunset views.Designed by Eric Roseff, the residence offers direct elevator access from three garage spaces, a grand duplex layout, and private internal stair. A suburban-scale kitchen anchors expansive living spaces seldom found in the city.The rooftop retreat—featuring pool, spa, fire pit, outdoor kitchen, and landscaped green roof—offers exceptional privacy with no adjacent terraces. A primary suite with fireplace, dedicated office suite, and flexible layout complete this exceptional, trophy-caliber offering.
Attached Garage YN
Yes
Carport YN
No
Construction Materials
BrickStone
Covered Spaces
3
Entry Level
5
Exterior Features
Deck - RoofHot Tub/SpaDecorative LightingCity View(s)
Garage YN
Yes
Parking Features
UnderGarage Door OpenerExclusive Parking
Parking Total
3
Patio And Porch Features
Deck - Roof
Property Attached YN
Yes
Roof
Rubber
Spa Features
Hot Tub/Spa
Spa YN
Yes
Structure Type
Mid-Rise
View
City
View YN
Yes
Water View Features
River
Waterfront YN
No
Appliances
OvenDishwasherMicrowaveRangeRefrigeratorWasherDryerWine RefrigeratorRange Hood
Basement
N
Bedroom2 Dimensions Length
12
Bedroom2 Dimensions Width
16
Bedroom2 Features
Bathroom - FullWalk-In Closet(s)Flooring - Hardwood
Bedroom3 Dimensions Length
13
Bedroom3 Dimensions Width
14
Bedroom3 Features
Bathroom - FullClosetFlooring - Hardwood
Bedroom4 Dimensions Length
15
Bedroom4 Dimensions Width
15
Bedroom4 Features
Flooring - Hardwood
Building Area Total
6132
Common Walls
No One Above
Cooling
Central Air
Cooling YN
Yes
Dining Room Dimensions Length
17
Dining Room Dimensions Width
15
Dining Room Features
Flooring - HardwoodOpen FloorplanRecessed Lighting
Family Room Dimensions Length
21
Family Room Dimensions Width
13
Family Room Features
Closet/Cabinets - Custom BuiltFlooring - HardwoodWet BarRecessed Lighting
Fireplace Features
Dining RoomFamily RoomKitchenMaster Bedroom
Fireplace YN
Yes
Fireplaces Total
3
Flooring
TileHardwoodFlooring - HardwoodFlooring - Stone/Ceramic Tile
Heating
CentralForced AirNatural Gas
Heating YN
Yes
Interior Features
Recessed LightingCloset/Cabinets - Custom BuiltWet barBathroom - FullBathroom - Double Vanity/SinkBathroom - With Tub & ShowerExercise RoomOfficeSitting RoomGame RoomMud RoomBathroomWet BarElevator
Kitchen Dimensions Length
21
Kitchen Dimensions Width
15
Kitchen Features
Flooring - HardwoodPantryCountertops - Stone/Granite/SolidKitchen IslandOpen FloorplanRecessed LightingGas Stove
Laundry Dimensions
10X6
Laundry Features
In UnitElectric Dryer HookupWasher Hookup
Lead Paint
Unknown
Living Room Dimensions Length
22
Living Room Dimensions Width
24
Living Room Features
Flooring - HardwoodOpen FloorplanRecessed Lighting
Master Bathroom Features
Yes
Master Bedroom Dimensions Length
20
Master Bedroom Dimensions Width
18
Master Bedroom Features
Bathroom - FullWalk-In Closet(s)ClosetCloset/Cabinets - Custom BuiltFlooring - HardwoodRecessed LightingWindow Seat
Office Dimensions Length
15
Office Dimensions Width
15
Office Features
Closet/Cabinets - Custom BuiltFlooring - HardwoodRecessed Lighting
Rooms Total
12
Association Amenities
Elevator(s)
Association Fee
4525
Association Fee Frequency
Monthly
Association Fee Includes
WaterSewerInsuranceMaintenance StructureMaintenance GroundsSnow RemovalTrash
Building Name
The Lydon
Community Features
Public TransportationShoppingPoolParkWalk/Jog TrailsMedical FacilityBike PathConservation AreaHighway AccessHouse of WorshipPublic SchoolT-StationUniversity
Complex Complete
Yes
Disclosures
All measurements are approx. & used for marketing purposes only. Buyer to verify. All information deemed reliable but not guaranteed. Buyer & buyer's agent to perform all due diligence.
Electric
Circuit Breakers
Home Warranty YN
No
Management
Professional - Off Site
Pets Allowed
Yes w/ Restrictions
Property Sub Type
Condominium
Security Features
Intercom
Senior Community YN
No
Sewer
Public Sewer
Tax Annual Amount
172397
Tax Year
2025
Unit Building
PH
Utilities
for Gas Rangefor Electric DryerWasher Hookup
Water Source
Public
Year Built Details
ActualRenovated Since
Year Round
Yes
Zoning
Res
Listing information © 2026 MLS Property Information Network. All information is deemed reliable but should be independently verified.
Listing provided courtesy of Collin Sullivan of William Raveis R.E. & Home Services: 617-266-5200.
The property listing data and information set forth herein were provided to MLS Property Information Network, Inc. from third party sources, including sellers, lessors and public records, and were compiled by MLS Property Information Network, Inc. The property listing data and information are for the personal, non commercial use of consumers having a good faith interest in purchasing or leasing listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing or leasing. MLS Property Information Network, Inc. and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information set forth herein. Data last updated 2026-08-18T22:03:57.703.