NOT LISTED FOR SALE

129 Beacon St Unit 4 Boston, MA 02116

Back Bay Neighborhood

Estimated Value: $2,651,608 - $2,988,000

3 Beds
2.5 Baths
2,170 Sq Ft
$573/mo HOA Fee

Last Sold September 08, 2023

Last sale price $2,550,000 $1,175 Per Sq Ft

Est. 8% increase in value since last sale

Current estimated payment $17,026/month

1 Day on Market

Highlights

  • No Units Above
  • Deck
  • 1 Fireplace
  • Brownstone
  • Wood Flooring
  • 5-minute walk to Clarendon Street Play Lot

About This Home

As of September 2023

Pristinely located penthouse duplex just a half block from the Public Garden. Private roof deck, storage on first floor, and 1 full, deeded parking spot complete this light-filled home. Soaring ceilings and hardwood floors throughout, the front facing first floor offers an open layout and wide foot print and is perfect for entertaining. It includes an expansive living room grounded by a period marble fireplace and custom built-in cabinetry and shelves. The gracious staircase is crowned by a large skylight. Open concept kitchen with ample storage and powder room with laundry completes the first floor. The primary bedroom features oversized, south-facing windows that let in an abundance of light and frame spectacular Back Bay skyline views. An updated en-suite marble bath, plus 2 additional large bedrooms + a full bath complete the second level. Front + rear facade just repointed, all owner occupied, and newly landscaped front common garden.

Last Agent to Sell the Property

Penney Gould Team

Compass Listed on: 07/15/2023

Compass

Last Buyer's Agent

The Biega + Kilgore Team

Compass

Compass

Property Details

Home Type

  • Condominium

Est. Annual Taxes

  • $22,655

Year Built

  • Built in 1862

Lot Details

  • 1,830

HOA Fees

  • $573 Monthly HOA Fees

Home Design

  • Brownstone
  • Entry on the 3rd floor

Interior Spaces

  • 2,170 Sq Ft Home
  • 2-Story Property
  • 1 Fireplace
  • Wood Flooring

Kitchen

  • Freezer
  • Dishwasher

Bedrooms and Bathrooms

  • 3 Bedrooms

Laundry

  • Dryer
  • Washer

Parking

  • 1 Car Parking Space
  • Off-Street Parking
  • Deeded Parking

Additional Features

  • Deck
  • No Units Above
  • Forced Air Heating and Cooling System

Community Details

  • Other Mandatory Fees include Water, Sewer, Master Insurance, Exterior Maintenance
  • Association fees include water, sewer, insurance, maintenance structure
  • 4 Units

Listing and Financial Details

  • Assessor Parcel Number 4759326

Property Details

Home Type

Condominium

Est. Annual Taxes

$22,655

Year Built

Built in 1862

Lot Details

0

HOA Fees

$573 per month

Listing Details

  • Property Type: Residential
  • Property Sub Type: Condominium
  • Structure Type: Brownstone
  • Year Built: 1862
  • Entry Level: 3
  • Year Built Details: Approximate
  • SUB AGENCY OFFERED: Yes
  • Compensation Based On: Gross/Full Sale Price
  • ResoPropertyType: Residential
  • Special Features: None
  • Stories: 2

Interior Features

  • Flooring: Wood
  • Fireplace YN: Yes
  • Fireplaces: 1
  • Appliances: Dishwasher,Refrigerator,Freezer,Washer,Dryer, Utility Connections for Electric Range
  • Total Bedrooms: 3
  • Full Bathrooms: 2
  • Half Bathrooms: 1
  • Total Bathrooms: 3
  • Master Bathroom Features: Yes
  • Basement: N
  • Living Area: 2170
  • Spa YN: No
  • Stories Total: 2
  • MAIN LO: AN2383
  • MAIN SO: AN2383

Exterior Features

  • Exterior Features: Deck - Roof
  • Common Walls: No One Above
  • Home Warranty YN: No
  • Patio And Porch Features: Deck - Roof
  • Waterfront YN: No
  • Waterview Flag: Yes

Garage/Parking

  • Garage YN: No
  • Parking Features: Off Street, Deeded
  • Total Parking Spaces: 1

Utilities

  • Sewer: Public Sewer
  • Utilities: for Electric Range
  • Cooling: Central Air
  • Heating: Central, Forced Air
  • Cooling Y N: Yes
  • Heating YN: Yes
  • Water Source: Public

Condo/Co-op/Association

  • Association Fee: 573
  • Association Fee Frequency: Monthly
  • Association YN: Yes
  • Senior Community YN: No
  • OPT FEE INCLUDES: Water, Sewer, Master Insurance, Exterior Maintenance
  • ResoAssociationFeeFrequency: Monthly

Fee Information

  • Association Fee Includes: Water, Sewer, Insurance, Maintenance Structure

Lot Info

  • Parcel Number: 4759326
  • Zoning: Res
  • Farm Land Area Units: Square Feet
  • Lot Size Units: Acres
  • OUTDOOR SPACE AVAILABLE: Yes - Private
  • ResoLotSizeUnits: Acres

Tax Info

  • Tax Year: 2022
  • Tax Annual Amount: 22655

Multi Family

  • Number Of Units Total: 4
  • Basement Included Sq Ft: No

Ownership History

Date Name Owned For Owner Type

Purchase Details

Closed on
Aug 29, 2025
Sold by
Cassidy Jason and Cassidy Maria
Bought by
Belanger David and Belanger Shannon B
Current Estimated Value
$2,753,902

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$1,650,000
Outstanding Balance
$1,643,060
Interest Rate
5.75%
Mortgage Type
Purchase Money Mortgage
Estimated Equity
$1,110,842

Purchase Details

Listed on
Jul 15, 2023
Closed on
Sep 8, 2023
Sold by
Mouse House Rt and Liss
Bought by
Cassidy Jason and Cassidy Maria
Seller's Agent
Penney Gould Team
Compass
Buyer's Agent
The Biega + Kilgore Team
Compass
List Price
$2,700,000
Sold Price
$2,550,000
Premium/Discount to List
-$150,000
-5.56%
Views
90

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
3.28%
Original Mortgage
$1,759,500
Interest Rate
6.81%
Mortgage Type
Purchase Money Mortgage

Purchase Details

Listed on
Jan 30, 2014
Closed on
Jun 2, 2014
Sold by
Thomas J Folliard J and Thomas Folliard
Bought by
Mouse House Rt and Liss
Seller's Agent
Shelagh Brennan
Cabot & Company
Buyer's Agent
Shelagh Brennan
Cabot & Company
List Price
$2,395,000
Sold Price
$2,245,000
Premium/Discount to List
-$150,000
-6.26%

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
1.38%
Original Mortgage
$1,445,000
Interest Rate
3%
Mortgage Type
Purchase Money Mortgage

Purchase Details

Closed on
Aug 24, 2010
Sold by
Sabrina Baloun Kavet R and Sabrina Baloun
Bought by
Thomas J Folliard 4 T and Folliard

Purchase Details

Closed on
Nov 14, 2008
Sold by
Kavet Matthew S
Bought by
Sabrina Baloun Kavet R and Sabrina Baloun-Kavet

Purchase Details

Closed on
Apr 29, 2005
Sold by
Novak G Michael G and Novak Gretchen M
Bought by
Kavet Matthew S

Purchase Details

Closed on
Mar 29, 2002
Sold by
Mcguire Thomas G
Bought by
Schroeder Novak G and Schroeder Gretchen M

Purchase Details

Closed on
Jun 1, 1999
Sold by
Walsh Thalassa A
Bought by
Mcguire Thomas G
Source: Public Records

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
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List Price
Sold Price
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Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Purchase History

Date Buyer Sale Price Title Company
Belanger David $2,650,000 --
Cassidy Jason $2,550,000 None Available
Mouse House Rt $2,245,000 --
Mouse House Rt $2,245,000 --
Mouse House Rt $2,245,000 --
Thomas J Folliard 4 T $1,525,000 --
Thomas J Folliard 4 T $1,525,000 --
Thomas J Folliard 4 T $1,525,000 --
Sabrina Baloun Kavet R -- --
Sabrina Baloun Kavet R -- --
Sabrina Baloun Kavet R -- --
Kavet Matthew S $1,331,000 --
Kavet Matthew S $1,331,000 --
Kavet Matthew S $1,331,000 --
Schroeder Novak G $1,200,000 --
Schroeder Novak G $1,200,000 --
Mcguire Thomas G $800,000 --
Mcguire Thomas G $800,000 --
Source: Public Records

Mortgage History

Date Status Borrower Loan Amount
Open Belanger David $1,650,000
Previous Owner Cassidy Jason $1,759,500
Previous Owner Mouse House Rt $1,445,000
Source: Public Records

Property History

Date Event Price List to Sale Price per Sq Ft Prior Sale
09/08/2023 09/08/23 Sold $2,550,000 -5.6% $1,175 / Sq Ft
07/17/2023 07/17/23 Pending -- -- --
07/15/2023 07/15/23 For Sale $2,700,000 +20.3% $1,244 / Sq Ft
06/02/2014 06/02/14 Sold $2,245,000 -6.3% $1,035 / Sq Ft View Prior Sale
03/28/2014 03/28/14 Pending -- -- --
01/30/2014 01/30/14 For Sale $2,395,000 -- $1,104 / Sq Ft
Source: MLS Property Information Network (MLS PIN)

Tax History

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $25,825 $2,230,100 $0 $2,230,100
2024 $24,308 $2,230,100 $0 $2,230,100
2023 $22,811 $2,123,900 $0 $2,123,900
2022 $22,655 $2,082,300 $0 $2,082,300
2021 $22,218 $2,082,300 $0 $2,082,300
2020 $21,067 $1,995,000 $0 $1,995,000
2019 $20,608 $1,955,200 $0 $1,955,200
2018 $19,327 $1,844,200 $0 $1,844,200
2017 $18,776 $1,773,000 $0 $1,773,000
2016 $18,227 $1,657,000 $0 $1,657,000
2015 $20,335 $1,679,200 $0 $1,679,200
2014 $18,538 $1,473,600 $0 $1,473,600
Source: Public Records

Agents Affiliated with this Home

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Map

Source: MLS Property Information Network (MLS PIN)

MLS Number: 73136698

MLS Property Information Network (MLS PIN)

APN: CBOS-000000-000005-002806-000008