Condominium at 133 Seaport Blvd # 12, Boston MA 02210
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$4,695,000

133 Seaport Blvd # 12, Boston MA 02210
Boston, MA 02210
Listed by Laura Rodriguez
Bedrooms
3
Bathrooms
3.5
Living area
1,957 sqft
Year built
2019

About this home

SUMMER OFFER: One Year of Condo Fees Included! Experience waterfront living at its finest in this exceptionally rare 3-bedroom, 3.5-bath residence at EchelonSeaport. One of only approximately 10 water-view terrace residences in the building—and the first of its kind to return to market—this home offers sweeping harbor views from a spectacular private terrace, along with a private balcony off the primary suite. Designed for both elevated everyday living and effortless entertaining, the residence features a sun-filled open layout, floor-to-ceiling windows, chef’s kitchen, custom closets, and designer window treatments. Two garage parking spaces complete the offering. Residents enjoy 50,000+ SF of world-class amenities, including multiple pools, fitness center, lounges, outdoor terraces, and 24/7 concierge services, all in the heart of Boston’s Seaport.

Highlights

Waterfront

Property details

MLS
MLS Property Information Network
MLS #
73567330
Property type
Condominium
Subdivision
N/A
Status
Active
Days on market
60
On market date
August 24, 2026
Stories
1
Total bathrooms
3.5
Garage spaces
2
Parking spaces
2
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
Condon K-8
0.98 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
666
Student:teacher ratio
10.6:1
District
Boston
MiddleCharter
UP Academy Charter School of Boston
1.22 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
317
Student:teacher ratio
10.2:1
District
UP Academy Charter School of Boston (District)
High
Excel High School
1.22 mi away · Grades 9-12
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
439
Student:teacher ratio
10.5:1
District
Boston

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).

92
Highly walkable
out of 100
EPA National Walkability Index
17.2 / 20 -- Most walkable
Google Places amenity density
100 / 100
Restaurants & cafes20
Grocery stores15
Parks20
Schools20
Transit stops20
Pharmacies14

Market position

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

On the market 60 days -- 65 fewer days than Boston's current average of 125 days.
For reference, the median list price across 8,983 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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Adjust tax / insurance estimates
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Est. monthly payment
$28,424/mo
$939,000 down
$3,756,000 loan
Principal & interest$24,361
Property tax (est.)$3,913
Home insurance (est.)$150

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Data source: Listing information provided by MLS Property Information Network via Trestle/CoreLogic. Last updated August 28, 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.