401 Beacon Street #PH, Boston, MA 02115

$18,500,000 · For sale

• 5 bedrooms
• 5 bathrooms
• 6,132 sq ft
• Condo
• MLS #73516362

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.

About this address

401 Beacon Street #PH is a 5-bedroom, 5-bath condo for sale in Boston, MA 02115 with 6,132 square feet, asking $18,500,000. It has been on our site since August 7, 2026.

The median asking price among the 10 other 5-bedroom condos for sale in Boston is $1,275,000. At $3,017 a square foot, it compares with a median of $846 among the 1575 other condos for sale in Boston with a stated size.

At 6,132 square feet, it is larger than all of the 10 other 5-bedroom condos in Boston with a stated size.

This home is assessed at $14,054,900 for fiscal year 2023. It last sold for $14,300,000 in June 2019.

It scores 100 out of 100 for walkability, from how close everyday places are.

The closest train or subway stop is Hynes Convention Center (MBTA Green Line B·C·D), about 0.3 miles away. The closest bus stop is Massachusetts Ave @ Beacon St (MBTA route 1), about 0.2 miles away.

The closest public schools by level are Blackstone Elementary School (1.0 mile) and Snowden International High School (0.4 miles). The district decides which school serves an address.

Listing information from MLS Property Information Network (MLS PIN), MLS #73516362, deemed reliable but not guaranteed. Prices are compared with other homes listed on this site today. Trains and buses come from the transit agencies’ published schedules and schools from the National Center for Education Statistics. Distances are straight-line. Assessed values and past sales are public records from municipal assessors, published by MassGIS. An assessed value is set for taxation and may differ from market value.

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To ask about this home or book a tour, call Benjamin Realty at (617) 734-5050 or email [email protected].