80 Old Harbor St
+14.0%vs the South Boston ZIP median sale $/ft² ($821)
Sales Performance
6 arms-length sales on record for this building.
Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
Ownership & Financing
Recent SalesThe latest recorded arms-length sales in the building, newest first.
Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.
Property Facts
Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
District: Boston School District
Neighborhood · ZIP 02127These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.
Index scale: 100 = US average (tick). Lower is better.
All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
About 80 Old Harbor St
How many units are in 80 Old Harbor St, South Boston, MA?
80 Old Harbor St, South Boston, MA has 3 residential units across built in 1910, according to county assessor records.
What is a unit at 80 Old Harbor St, South Boston, MA worth?
The median TopHap Estimate across the 3 units at 80 Old Harbor St, South Boston, MA is $616,639. That works out to $936 per square foot. Units run from 514 to 802 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 80 Old Harbor St, South Boston, MA expensive for South Boston?
Units at 80 Old Harbor St, South Boston, MA carry a median of $936 per square foot, 14% above the South Boston median of $821 per square foot.
How often do units sell at 80 Old Harbor St, South Boston, MA?
0 units at 80 Old Harbor St, South Boston, MA sold in the last 12 months, out of 6 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.
Have units at 80 Old Harbor St, South Boston, MA appreciated?
Across 3 repeat sales of the same unit, 80 Old Harbor St, South Boston, MA returned a median 6.5% per year. Because each pair is the same unit bought and sold, the figure is not distorted by which units traded. The median owner held for 4.0 years.
More homes on Old Harbor St
- 100 Old Harbor St # 3$535K1 bd · 1 ba · 569 ft² · Sold $545K · Jul 2026
- 75 Old Harbor St # 3$911K2 bd · 2 ba · 997 ft² · Sold $918K · May 2026
- 120 Old Harbor St$1M2 bd · 1 ba · 1,074 ft² · Sold $1.9M · Apr 2026
- 47 Old Harbor St6 bd · 2 ba · 1,956 ft² · Sold $1.3M · Aug 2025
- 91 Old Harbor St # 3$1.1M3 bd · 2 ba · 1,282 ft² · Sold $1.1M · Aug 2025
- 75 Old Harbor St # 1$1.3M3 bd · 3 ba · 1,554 ft² · Sold $1.3M · Apr 2025
- 103 Old Harbor St # 202$634K2 bd · 1 ba · 829 ft² · Sold $612K · Dec 2024
- 87 Old Harbor St # 1$1M3 bd · 2.5 ba · 1,966 ft² · Sold $947K · Sep 2024
- 77 Old Harbor St # 3$680K2 bd · 1 ba · 650 ft² · Sold $650K · Jun 2024
- 99 Old Harbor St6 bd · 4.5 ba · 2,954 ft² · Sold $1.5M · Mar 2024
- 82 Old Harbor St$2.1M4 bd · 3.5 ba · 2,850 ft² · Sold $2M · Jul 2023
- 45 Old Harbor St$1.3M7 bd · 2.5 ba · 2,226 ft² · Sold $1.3M · Jul 2023
Closest homes
- 80 Old Harbor St$756K0 ft · 1 bd · 1 ba · 802 ft² · Sold $735K · May 2023
- 80 Old Harbor St$477K0 ft · 1 bd · 1 ba · 514 ft² · Sold $185K · Dec 2010
- 42 Thomas Park40 ft · 4 bd · 2.5 ba · 1,860 ft² · Sold $1.1M · Jun 2016
- 43 Thomas Park43 ft · 7 bd · 4.5 ba · 2,269 ft² · Sold $1.2M · Mar 2022
- 82 Old Harbor St$2.1M49 ft · 4 bd · 3.5 ba · 2,850 ft² · Sold $2M · Jul 2023
- 41 Thomas Park56 ft · 4 bd · 2 ba · 2,449 ft² · Sold $154K · Mar 1993
- 44 Thomas Park53 ft · 4 bd · 3.5 ba · 2,269 ft² · Sold $45K · May 1991
- 40 Thomas Park$1.3M77 ft · 2 bd · 3 ba · 1,314 ft² · Sold $1.1M · Nov 2021
More homes in South Boston 02127
- 33 O St$1.1M2 bd · 2 ba · 1,136 ft² · Sold $1.1M · Sep 2026
- 147 W 8th St$1.8M2 bd · 1.5 ba · 624 ft² · Sold $1.7M · Sep 2026
- 16 Mitchell St4 bd · 3 ba · 2,262 ft² · Sold $1.6M · Sep 2026
- 532 E 4th St3 bd · 2.5 ba · 2,142 ft² · Sold $1.7M · Sep 2026
- 569 E 7th St3 bd · 2 ba · 1,764 ft² · Sold $3M · Sep 2026
- 15 Swallow St$1.8M3 bd · 3.5 ba · 2,070 ft² · Sold $2.1M · Sep 2026
- 144 O St$685K2 bd · 2 ba · 986 ft² · Sold $685K · Sep 2026
- 377 W 1st St2 bd · 2 ba · 1,801 ft² · Sold $1.6M · Sep 2026
- 847 E 5th St4 bd · 4 ba · 2,506 ft² · Sold $3.5M · Sep 2026
- 74 F St$954K2 bd · 2 ba · 1,192 ft² · Sold $925K · Sep 2026
- 1 Leonard Pl2 bd · 2 ba · 1,163 ft² · Sold $1M · Sep 2026
- 480 E 4th St$1.1M2 bd · 2.5 ba · 1,307 ft² · Sold $1M · Sep 2026
Assigned schools
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