Condominium at 15 North Beacon St. # 401, Boston MA 02135
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26 photos

$528,800

15 North Beacon St. # 401, Boston MA 02135
Boston, MA 02135
Listed by Montivista Real Estate Group
Bedrooms
2
Bathrooms
1.5
Living area
805 sqft
Year built
1989

About this home

$40k updates of the unit in 2023. Best price/performance unit in the building. Nestled on the quiet side of the building away from the main street bustle, this spacious and bright two-bedroom, 1.5-bath retreat in the landmark Union Square Condominium offers a serene vantage point of the lush neighborhood and cityscape. The thoughtfully designed layout begins with a stylishly updated half-bath at the entrance, leading to a fully equipped kitchen positioned to keep the airy living area fresh and a private balcony perfect for relaxing. Both cozy bedrooms share a modern, renovated full bathroom, while Central AC ensures year-round comfort throughout the home. Residents enjoy premier amenities in the heart of Allston, including a concierge, on-site management, laundry on every floor, and a spectacular rooftop gym and pool. This unit offers the ultimate urban balance: a peaceful residential sanctuary with world-class dining, shopping, entertainment, and transportation right at your doorstep.

Highlights

View

Property details

MLS
MLS Property Information Network
MLS #
73501866
Property type
Condominium
Subdivision
N/A
Status
Active
Days on market
193
On market date
April 15, 2026
Stories
1
Total bathrooms
1.5
Garage spaces
1
Parking spaces
1
Lot size
N/A
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Nearby schools

Within 10 miles. School directory data from the National Center for Education Statistics (NCES), accessed via the Urban Institute Education Data API. Local Score is calculated by INNOVATE Real Estate; where a state rating is shown, it comes from that state's own official school report card.

Elementary
Jackson Mann
0.09 mi away · Grades -1-8
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
352
Student:teacher ratio
8.2:1
District
Boston
Middle
Putnam Avenue Upper School
1.56 mi away · Grades 6-8
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
262
Student:teacher ratio
7.5:1
District
Cambridge
HighCharter
Boston Green Academy Horace Mann Charter School
0.48 mi away · Grades 6-12
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
486
Student:teacher ratio
11.0:1
District
Boston Green Academy Horace Mann Charter School (District)

Walkability

Blended score for Boston's center, calculated by INNOVATE Real Estate from two sources: the EPA's National Walkability Index (street network, transit, land-use mix) and Google Places amenity data (what's actually reachable on foot from this point). 60% EPA National Walkability Index + 40% nearby-amenity density (Google Places).

99
Highly walkable
out of 100
EPA National Walkability Index
19.5 / 20 -- Most walkable
Google Places amenity density
100 / 100
Restaurants & cafes20
Grocery stores20
Parks20
Schools20
Transit stops20
Pharmacies14

Market position

How this listing compares to current activity in Boston, from live MLS data.

On the market 193 days -- 68 more days than Boston's current average of 125 days.
For reference, the median list price across 8,979 active listings in Boston right now is $80,000.

Mortgage calculator

Estimate only - actual rate and payment depend on your lender, credit, and loan program.

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Est. monthly payment
$3,334/mo
$105,760 down
$423,040 loan
Principal & interest$2,744
Property tax (est.)$441
Home insurance (est.)$150

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Data source: Listing information provided by MLS Property Information Network via Trestle/CoreLogic. Last updated July 19, 2026.

Information herein deemed reliable but not guaranteed; all measurements, school assignments, HOA fees, taxes, and feature lists are approximate and should be independently verified. Equal Housing Opportunity.