Port 45 is a 5-story condominium building at 45 W Third St in South Boston, Boston, MA 02127, with 104 condos, built in 2016.
At a glance
104 condos (the City of Boston assessor)
Built in 2016
5 floors
Units from 621 to 2,092 sq ft (median 1,013)
Bedrooms: 45 1-bedroom, 54 2-bedroom, 5 3-bedroom
Units assessed $208,300–$1,737,100, median $936,550 (FY2026)
No homes in Port 45 are listed right now. Ask Benjamin Realty to tell you when one comes on the market.
Getting around
Walkability: 100 out of 100, from how close everyday places are.
Closest train and subway stops:
Broadway (MBTA Red Line), 0.1 mi
South Station (MBTA · Amtrak Red Line Fairmount Line Fall River/New Bedford Line), 0.7 mi
Tufts Medical Center (MBTA Orange Line), 0.7 mi
Closest bus stops:
W Second St opp W Third St (MBTA 11), under 0.1 mi
W Broadway @ B St (MBTA 9), 0.1 mi
Andrew (MBTA 10 16 17), 0.8 mi
Public schools nearby
Condon K-8 School (elementary, grades PK–8), 0.3 mi
Boston Collaborative High School (high, grades 9–12), 0.6 mi
The district decides which school serves an address. Distances are straight-line.
Questions about Port 45
How many units are in Port 45?
Port 45 has 104 condos, according to the City of Boston assessor.
When was Port 45 built?
Port 45 was built in 2016 and has 5 floors.
Are there homes for sale or rent in Port 45 right now?
None are listed at the moment. Benjamin Realty can tell you when a home in Port 45 comes on the market.
What are condos in Port 45 worth?
Units are assessed from $208,300 to $1,737,100 (median $936,550) for fiscal year 2026. Assessed values are set for taxes and can differ from market value.
How big are the units in Port 45?
Units run from 621 to 2,092 square feet, with a median of 1,013.
What is the closest T or train station to Port 45?
Broadway (MBTA Red Line) is 0.1 miles away, in a straight line.
Buildings near Port 45
Allele Condominium — 150 Dorchester Ave, 82 condos · built 2008 · 6 floors, 0.1 mi
Macallen Building — 9 W Broadway, 271 condos · built 1906 · 6 floors · 6 listed now, 0.2 mi
Assessed values and sales are public records from municipal assessors. An assessed value is set for taxation and may differ from market value. Data checked 2026-11-02.