For sale

$11,990,000

100 Beacon St #Phb, Boston, MA 02116

4beds

4,083sqft

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Condominium

Built in 1920

-- sqft lot

$12,279,600 Zestimate^®

$2,937/sqft

$10,973/mo HOA

What's special

Sumptuous bathBuilt-in grillFitness roomCorner family roomWood paneled libraryGourmet kitchenElegant dining room

Breathtaking Penthouse Residence at 100 Beacon in Back Bay overlooking the Public Garden and the Charles River Esplanade. This outstanding home features 24-hr concierge, 2 valet garage parking spaces, and a private roof deck that is among the finest in all of Boston. The expansive floor plan effortlessly incorporates gracious entertaining rooms including a formal living room with a soaring double height ceiling, a gourmet kitchen that opens to an elegant dining room, corner family room, and a wood paneled library. The primary suite features wonderful River views, 2 dressing rooms and a sumptuous bath. Atop it all is the fabulous roof deck complete with multiple seating areas, a built-in grill, a head house with wet bar and half bath, and unbeatable views of the Charles River, Beacon Hill, and Back Bay. Additional features include an internal elevator to all floors, fitness room, and a home office/den. This incredible property offers a once in a lifetime opportunity in Back Bay.

58 days

492

14

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Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 4
Bathrooms: 6
Full bathrooms: 4
1/2 bathrooms: 2

Primary bathroom

Features: Yes

Heating

Forced Air

Cooling

Central Air

Appliances

Laundry: In Unit

Features

Has basement: No
Number of fireplaces: 1
Common walls with other units/homes: No One Above

Interior area

Total structure area: 4,083
Total interior livable area: 4,083 sqft
Finished area above ground: 4,083

Property

Parking

Total spaces: 2
Parking features: Garage
Garage spaces: 2

Features

Patio & porch: Deck - Roof
Exterior features: Deck - Roof, City View(s)
Has view: Yes
View description: City

Lot

Size: 4,083 Square Feet

Details

Parcel number: W:05 P:02566 S:032,4781480
Zoning: CD

Construction

Type & style

Home type: Condo
Property subtype: Condominium
Attached to another structure: Yes

Condition

Year built: 1920
Major remodel year: 2007

Utilities & green energy

Sewer: Public Sewer
Water: Public

Community & HOA

HOA

Amenities included: Hot Water, Elevator(s), Parking
Services included: Heat, Gas, Water, Sewer, Insurance, Security, Maintenance Structure, Maintenance Grounds, Trash, Air Conditioning
HOA fee: $10,973 monthly

Location

Region: Boston

Financial & listing details

Price per square foot: $2,937/sqft
Tax assessed value: $10,633,500
Annual tax amount: $12,864
Date on market: 5/5/2026

Estimated market value

$12,279,600

$11.67M - $12.89M

$9,241/mo

Price history

Date	Event	Price
5/5/2026	Listed for sale	$11,990,000-7.7%$2,937/sqft
Source: MLS PIN #73512611 Report a problem
12/12/2025	Listing removed	$12,990,000$3,181/sqft
Source: MLS PIN #73443218 Report a problem
10/14/2025	Listed for sale	$12,990,000+39.3%$3,181/sqft
Source: MLS PIN #73443218 Report a problem
12/15/2020	Sold	$9,326,000+3.6%$2,284/sqft
Source: Public Record Report a problem
8/10/2012	Sold	$9,000,000$2,204/sqft
Source: Public Record Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$123,136 +17.4%	$10,633,500 +10.5%
2024	$104,861 +3.7%	$9,620,300 +2.1%
2023	$101,163 -0.3%	$9,419,300 +1%
2022	$101,467 -18.3%	$9,326,000 -19.9%
2021	$124,227 +4.3%	$11,642,600 +3.2%
2020	$119,083 +2.2%	$11,276,800 +2%
2019	$116,527 +6.6%	$11,055,694 +6%
2018	$109,305 +328%	$10,429,900 +4%
2017	$25,536 -75%	$10,028,733 +8%
2016	$102,145 +9%	$9,285,864 +20%
2015	$93,710 +3.6%	$7,738,220 +7.6%
2014	$90,442 +57.9%	$7,189,365 +64.9%
2013	$57,272 -1.3%	$4,358,600 -2%
2012	$58,011 +24.3%	$4,448,700 +21.9%
2011	$46,667	$3,648,700

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HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.

Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.

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