The Cosmopolitian

771 Harrison Ave, Boston, MA

The Cosmopolitian is a condominium complex at 771 Harrison Ave in South End, Boston, MA, with 122 condos, built in 1966.

At a glance

• 122 condos at 2 street addresses (the unit records on the municipal assessor’s file (via MassGIS))
• Built in 1966
• Units from 496 to 6,573 sq ft (median 1,834)
• Units assessed $467,600–$3,732,500, median $1,019,400 (FY2023)

Homes for sale in The Cosmopolitian

• 771 Harrison Avenue #208 — $699,000 · 1 bd, 1.5 ba, 935 sq ft
• 771 Harrison Ave #107 — $725,000 · 1 bd, 1.5 ba, 929 sq ft

Homes for rent in The Cosmopolitian

• 771 Harrison Ave #201 — $3,600/mo · 1 bd, 1.5 ba, 869 sq ft
• 771-781 Harrison Ave #G5 — $4,768/mo · 3 bd, 2.5 ba, 1,894 sq ft
• 771 Harrison Ave #G6 — $4,900/mo · 2 bd, 2.5 ba, 1,455 sq ft
• 771-781 Harrison Ave #406 — $5,907/mo · 3 bd, 2.5 ba, 1,823 sq ft
• 771-781 Harrison #PH-8 — $7,231/mo · 3 bd, 3.5 ba, 2,479 sq ft
• 771-781 Harrison #PH-7 — $8,094/mo · 3 bd, 3.5 ba, 3,449 sq ft

Getting around

Walkability: 100 out of 100, from how close everyday places are.

Closest train and subway stops:

• Massachusetts Avenue (MBTA Orange Line), 0.6 mi
• Back Bay (MBTA · Amtrak Orange Line Framingham/Worcester Line Franklin/Foxboro Line), 0.7 mi
• Symphony (MBTA Green Line E), 0.7 mi

Closest bus stops:

• Harrison Ave @ E Newton St (MBTA 8 10 47), under 0.1 mi
• Washington St @ E Newton St (MBTA 8 SL4 SL5), 0.1 mi
• Nubian (MBTA 1 8 14), 0.8 mi

Public schools nearby

• Blackstone Elementary School (elementary, grades PK–6), 0.3 mi
• Melvin H. King South End Academy (high, grades 2–12), 0.5 mi

The district decides which school serves an address. Distances are straight-line.

Questions about The Cosmopolitian

How many units are in The Cosmopolitian?

The Cosmopolitian has 122 condos across 2 street addresses, according to the unit records on the municipal assessor’s file (via MassGIS).

When was The Cosmopolitian built?

The Cosmopolitian was built in 1966.

Are there homes for sale or rent in The Cosmopolitian right now?

Yes: 2 for sale from $699,000 and 6 for rent from $3,600 a month, listed on this page. Benjamin Realty can show any of them.

What are condos in The Cosmopolitian worth?

Units are assessed from $467,600 to $3,732,500 (median $1,019,400) for fiscal year 2023. Assessed values are set for taxes and can differ from market value.

How big are the units in The Cosmopolitian?

Units run from 496 to 6,573 square feet, with a median of 1,834.

What is the closest T or train station to The Cosmopolitian?

Massachusetts Avenue (MBTA Orange Line) is 0.6 miles away, in a straight line.

Buildings near The Cosmopolitian

• Franklin Square House — 11 E Newton St, 193 apartments · built 1853, 0.1 mi
• The Smith — 700 Harrison Ave, 84 condos · built 2006 · 6 floors · 2 listed now, 0.2 mi
• Washington Manor — 26 Worcester St, 84 apartments · 2 listed now, 0.2 mi
• Harrison Tower — 860 Harrison Ave, 97 apartments, 0.2 mi
• South End Tenants Houses I — 106 W Concord St, 100 apartments, 0.2 mi
• East Canton Street Apartments — 79 E Canton St, 80 apartments, 0.2 mi
• Ruth Lillian Barkley Apartments — 42 Harrison Archway, 414 apartments, 0.2 mi
• Ruth Barkley Apartments — 1472 Washington St, 414 apartments · built 1950, 0.2 mi

More: all 300 large buildings in Boston · Boston homes for sale and rent · South End neighborhood guide

Sources

• MassGIS Standardized Assessors’ Parcels (municipal assessors)
• OpenStreetMap contributors (ODbL)

Assessed values and sales are public records from municipal assessors. An assessed value is set for taxation and may differ from market value. Listing information from MLS Property Information Network (MLS PIN), deemed reliable but not guaranteed. Data checked 2026-11-02.

To ask about homes in The Cosmopolitian or book a showing, call Benjamin Realty at (617) 734-5050 or email [email protected].