For sale

Price cut: $10K (8/25)

$740,000

101 Old Harbor St APT 3, South Boston, MA 02127

2beds

921sqft

$5,199/mo

Get pre-qualified

Condominium

Built in 1905

-- sqft lot

$725,100 Zestimate^®

$803/sqft

$303/mo HOA

What's special

Gas fireplaceSpacious private rear deckBeautifully appointed en-suite bathroomEspresso cabinetryStainless steel appliancesPrimary suiteCustom-built closets

Stunning two bedroom, two bathroom home offering soaring ceilings, abundant natural light, and a thoughtfully designed open concept layout ideal for both everyday living and entertaining. The sleek custom kitchen features espresso cabinetry, white Silestone countertops, stainless steel appliances, and a generous peninsula with ample seating. The spacious living and dining area is anchored by a gas fireplace, creating a warm and inviting focal point. The primary suite includes custom-built closets, a charming bay window, and a beautifully appointed en-suite bathroom. A spacious private rear deck provides the perfect setting for outdoor dining, relaxing, or entertaining.

57 days
470
19

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 2
Bathrooms: 2
Full bathrooms: 2

Heating

Forced Air

Cooling

Central Air

Appliances

Included: Range, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer
Laundry: In Unit, Electric Dryer Hookup

Features

Flooring: Wood, Tile
Has basement: Yes
Number of fireplaces: 1

Interior area

Total structure area: 921
Total interior livable area: 921 sqft
Finished area above ground: 921

Property

Features

Patio & porch: Deck - Wood
Exterior features: Deck - Wood
Waterfront features: Ocean, Direct Access, Walk to, 3/10 to 1/2 Mile To Beach, Beach Ownership(Public)

Lot

Size: 921 Square Feet

Details

Parcel number: W:07 P:01320 S:006,4757250
Zoning: CD

Construction

Type & style

Home type: Condo
Property subtype: Condominium

Materials

Frame
Roof: Rubber

Condition

Year built: 1905
Major remodel year: 2008

Utilities & green energy

Electric: 100 Amp Service
Sewer: Public Sewer
Water: Public
Utilities for property: for Gas Range, for Electric Dryer

Community & HOA

Community

Features: Public Transportation, Shopping, Park, Walk/Jog Trails, Highway Access, T-Station
Security: Intercom

HOA

Services included: Water, Sewer, Insurance, Maintenance Structure, Snow Removal, Reserve Funds
HOA fee: $303 monthly

Location

Region: South Boston

Financial & listing details

Price per square foot: $803/sqft
Tax assessed value: $678,900
Annual tax amount: $7,862
Date on market: 7/15/2026

Estimated market value

$725,100

$689,000 - $761,000

$4,107/mo

Price history

Date	Event	Price
9/6/2026	Listed for rent	$3,800-2.6%$4/sqft
Source: Zillow Rentals Report a problem
9/5/2026	Listing removed	$3,900$4/sqft
Source: Zillow Rentals Report a problem
8/25/2026	Price change	$740,000-1.3%$803/sqft
Source: MLS PIN #73550591 Report a problem
8/20/2026	Listed for rent	$3,900$4/sqft
Source: Zillow Rentals Report a problem
7/16/2026	Listed for sale	$750,000+46.5%$814/sqft
Source: MLS PIN #73550591 Report a problem
8/28/2015	Sold	$512,000+55.2%$556/sqft
Source: Public Record Report a problem
11/21/2008	Sold	$330,000$358/sqft
Source: Public Record Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$7,862 +11.2%	$678,900 +4.7%
2024	$7,071 +3.6%	$648,700 +2.1%
2023	$6,825 +2.7%	$635,500 +4%
2022	$6,647 +4%	$610,900 +2%
2021	$6,390 +3.3%	$598,900 +2.3%
2020	$6,185 +7.2%	$585,700 +7%
2019	$5,772 +5.6%	$547,600 +5%
2018	$5,464 +606.1%	$521,400 +7%
2017	$774 -84.7%	$487,300 +6%
2016	$5,057 +8.2%	$459,700 +19.1%
2015	$4,674 +12.5%	$386,000 +22.1%
2013	$4,155 +5.4%	$316,200 +4.6%
2012	$3,941 +2%	$302,200
2011	$3,865 +7.7%	$302,200
2010	$3,590	$302,200