CHECK OUT THE VIEW from your private roof deck! This adorable 1BR penthouse unit with granite counters and stainless steel appliances is located in the heart of Southie. Soaring cathedral ceilings and a custom walk in closet with washer and dryer in unit. Close to many shops and restaurants as well as the beach and ocean! Close to 11 bus with access to financial district and seaport. Showings begin immediately!
Sold for $535,000
$535,000
100 Old Harbor St #3, South Boston, MA 02127
1beds
569sqft
Condominium
Built in 1873
-- sqft lot
$545,000 Zestimate®
$940/sqft
$2,970 Estimated rent
Home value
$545,000
$507,000 - $583,000
$2,970/mo
Zestimate® history
Owner options
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$2,970/mo
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$2,970/mo
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$3,295/mo
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$3,295/mo
Est. payment
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List your homeWhat's special
Private roof deckStainless steel appliancesSoaring cathedral ceilingsGranite counters
Zillow last checked:
Listing updated:
Listed by:
Kimberly O'Neil Mara 617-504-5945,
Century 21 North East 800-844-7653
Bought with:
Heather Carbone
eRealty Advisors, Inc.
Source: MLS PIN,MLS#: 73524001
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 1
- Bathrooms: 1
- Full bathrooms: 1
- Main level bathrooms: 1
- Main level bedrooms: 1
Primary bedroom
- Features: Walk-In Closet(s), Flooring - Hardwood
- Level: Main,Third
Primary bathroom
- Features: No
Bathroom 1
- Features: Bathroom - Full, Flooring - Stone/Ceramic Tile
- Level: Main,Third
Kitchen
- Features: Flooring - Hardwood, Countertops - Stone/Granite/Solid, Exterior Access, Stainless Steel Appliances
- Level: Main,Third
Living room
- Features: Flooring - Hardwood
- Level: Main,Third
Heating
- Forced Air, Natural Gas
Cooling
- Window Unit(s)
Appliances
- Included: Range, Oven, Dishwasher, Disposal, Refrigerator, Washer
- Laundry: Flooring - Hardwood, Main Level, Third Floor, In Unit
Features
- Flooring: Hardwood
- Has basement: No
- Has fireplace: No
- Common walls with other units/homes: No One Above
Interior area
- Total structure area: 569
- Total interior livable area: 569 sqft
- Finished area above ground: 569
Property
Parking
- Parking features: On Street
- Has uncovered spaces: Yes
Features
- Patio & porch: Deck, Deck - Roof
- Exterior features: Deck, Deck - Roof
- Has view: Yes
- View description: Water, Harbor, Ocean
- Has water view: Yes
- Water view: Harbor,Ocean,Water
- Waterfront features: Harbor, Ocean, Walk to, 1/10 to 3/10 To Beach, Beach Ownership(Public)
Lot
- Size: 569 Square Feet
Details
- Parcel number: W:07 P:01395 S:006,4871501
- Zoning: CD
Construction
Type & style
- Home type: Condo
- Property subtype: Condominium
Condition
- Year built: 1873
Utilities & green energy
- Electric: 100 Amp Service
- Sewer: Public Sewer
- Water: Public
- Utilities for property: for Gas Range
Community & HOA
Community
- Features: Public Transportation, Shopping, Park, Walk/Jog Trails, Highway Access, Marina
HOA
- Services included: Water, Insurance, Maintenance Structure
- HOA fee: $118 monthly
Location
- Region: South Boston
Financial & listing details
- Price per square foot: $940/sqft
- Tax assessed value: $478,500
- Annual tax amount: $5,541
- Date on market: 6/24/2026
Price history
| Date | Event | Price |
|---|---|---|
| 7/16/2026 | Sold | $535,000-2.7%$940/sqft |
Source: MLS PIN #73524001 Report a problem | ||
| 6/18/2026 | Pending sale | $550,000$967/sqft |
Source: MLS PIN #73524001 Report a problem | ||
| 6/15/2026 | Contingent | $550,000$967/sqft |
Source: MLS PIN #73524001 Report a problem | ||
| 6/11/2026 | Listed for sale | $550,000$967/sqft |
Source: MLS PIN #73524001 Report a problem | ||
| 5/30/2026 | Contingent | $550,000$967/sqft |
Source: MLS PIN #73524001 Report a problem | ||
| 5/26/2026 | Listed for sale | $550,000+122.7%$967/sqft |
Source: MLS PIN #73524001 Report a problem | ||
| 6/2/2025 | Listing removed | $3,900$7/sqft |
Source: Zillow Rentals Report a problem | ||
| 5/16/2025 | Listed for rent | $3,900$7/sqft |
Source: Zillow Rentals Report a problem | ||
| 5/2/2025 | Listing removed | $3,900$7/sqft |
Source: Zillow Rentals Report a problem | ||
| 4/11/2025 | Listed for rent | $3,900+56%$7/sqft |
Source: Zillow Rentals Report a problem | ||
| 5/15/2018 | Listing removed | $2,500$4/sqft |
Source: Century 21 North East #72307034 Report a problem | ||
| 4/11/2018 | Listed for rent | $2,500$4/sqft |
Source: Century 21 North East #72307034 Report a problem | ||
| 5/3/2016 | Listing removed | $2,500+13.6%$4/sqft |
Source: CENTURY 21 Spindler & O'Neil Associates, Inc. #71991244 Report a problem | ||
| 12/4/2015 | Listing removed | $2,200$4/sqft |
Source: CENTURY 21 Spindler & O'Neil Associates, Inc. #71897465 Report a problem | ||
| 10/15/2015 | Price change | $2,200-4.3%$4/sqft |
Source: CENTURY 21 Spindler & O'Neil Associates, Inc. #71897465 Report a problem | ||
| 10/1/2015 | Price change | $2,300-4.2%$4/sqft |
Source: CENTURY 21 Spindler & O'Neil Associates, Inc. #71897465 Report a problem | ||
| 9/22/2015 | Price change | $2,400-4%$4/sqft |
Source: CENTURY 21 Spindler & O'Neil Associates, Inc. #71897465 Report a problem | ||
| 9/1/2015 | Listed for rent | $2,500$4/sqft |
Source: Century 21 Spindler & O'Neil Associates #71897465 Report a problem | ||
| 9/15/2011 | Sold | $247,000$434/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $5,541 +5.9% | $478,500 -0.3% |
| 2024 | $5,233 +3.6% | $480,100 +2.1% |
| 2023 | $5,051 +2.7% | $470,300 +4% |
| 2022 | $4,920 +4% | $452,200 +2% |
| 2021 | $4,730 +8.5% | $443,300 +7.4% |
| 2020 | $4,360 +7.2% | $412,900 +7% |
| 2019 | $4,068 +5.6% | $386,000 +5% |
| 2018 | $3,851 +860.6% | $367,500 +7% |
| 2017 | $401 -88.8% | $343,600 +6% |
| 2016 | $3,565 +0.6% | $324,100 +10.7% |
| 2015 | $3,545 +12.5% | $292,700 +22.1% |
| 2013 | $3,150 | $239,700 |
Find assessor info on the county website
Neighborhood: South Boston
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Nearby schools
GreatSchools rating
- 5/10Perkins Elementary SchoolGrades: PK-6Distance: 0.2 mi
- 3/10James F. Condon SchoolGrades: PK-8Distance: 0.5 mi
- 2/10Excel High SchoolGrades: 9-12Distance: 0.2 mi
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Estimated market value
$545,000
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Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
Estimated market value
$545,000
- Massachusetts
- Suffolk County
- Boston
- 02127
- South Boston
- 100 Old Harbor St Unit 3
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