Skip main navigation
Sold for $790,000
  • $790,000

    133 Seaport Blvd Unit 821, Boston, MA 02210

    0beds
    513sqft
    Condominium
    Built in 2018
    -- sqft lot
    $802,600 Zestimate®
    $1,540/sqft
    $3,981 Estimated rent

    Home value

    $802,600

    $730,000 - $883,000

    $3,981/mo

    Zestimate® history
    Loading
    Loading...

    Owner options

    List your home for rent

    $3,981/mo

    Rent Zestimate®

    Find your next renter with Zillow Rental Manager. Plus, with online applications, you can quickly screen prospective tenants – for free.

    Learn more

    $3,981/mo

    Rent Zestimate®

    Refinance and save

    $4,686/mo

    Est. payment

    Refinancing to a lower rate could help reduce your monthly payments and save thousands over the life of the loan.

    See today's rates

    $4,686/mo

    Est. payment

    Explore your selling options

    Work with a Zillow partner agent

    Leverage their expertise and Zillow's premium Showcase listings to get your home seen by more buyers.

    Get started

    List with your own agent

    Get your home in front of millions of buyers by listing it on Zillow.

    Learn how to do it

    Sell it yourself

    Take full control of how buyers see your home on Zillow by listing For Sale by Owner (FSBO).

    List your home

    What's special

    Premium finishesOpen-concept layoutState-of-the-art fitness centerOn-site spaFloor-to-ceiling windowsThree distinct pool experiences
    Discover the epitome of luxury living in this stunning studio condo at the prestigious Echelon building in Boston's Seaport District. With its sleek modern design, this residence features an open-concept layout, floor-to-ceiling windows, and premium finishes that perfectly blend style and functionality. Residents of Echelon enjoy access to an array of world-class amenities, including three distinct pool experiences: an indoor pool, a resort-style outdoor pool, and a rooftop plunge pool with breathtaking views. Stay active in the state-of-the-art fitness center, offering cutting-edge equipment and fitness classes, or indulge in relaxation at the on-site spa complete with steam rooms and saunas. The Sky Lounge and rooftop terrace provide an ideal setting for taking in panoramic city and harbor views, while the resident library and wine room offer sophisticated spaces to unwind or entertain. With 24/7 concierge services, a pet-friendly community that includes a pet spa, and easy access to

    Zillow last checked:

    Listing updated:

    Listed by:

    Thomas Macdonald 617-290-8255,

    Jacob Realty, LLC 617-208-2111,

    Thomas Macdonald 617-290-8255

    Bought with:

    Thomas Macdonald

    Jacob Realty, LLC

    Source: MLS PIN,MLS#: 73325874

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 0
    • Bathrooms: 1
    • Full bathrooms: 1
    Heating
    • Heat Pump
    Cooling
    • Heat Pump
    Features
    • Basement: None
    • Has fireplace: No
    Interior area
    • Total structure area: 513
    • Total interior livable area: 513 sqft
    • Finished area above ground: 513

    Property

    Details
    • Parcel number: 5135829
    • Zoning: CD

    Construction

    Type & style
    • Home type: Condo
    • Property subtype: Condominium
    • Attached to another structure: Yes
    Condition
    • Year built: 2018

    Utilities & green energy

    • Sewer: Public Sewer
    • Water: Public

    Community & HOA

    Community
    • Security: Concierge
    HOA
    • Amenities included: Hot Water, Pool, Elevator(s), Fitness Center, Sauna/Steam, Clubroom
    • Services included: Heat, Gas, Water, Sewer, Insurance, Security, Maintenance Structure, Snow Removal
    • HOA fee: $776 monthly
    Location
    • Region: Boston

    Financial & listing details

    • Price per square foot: $1,540/sqft
    • Tax assessed value: $767,800
    • Annual tax amount: $8,369
    • Date on market: 11/15/2025

    Price history

    DateEventPrice
    5/1/2025Sold$790,000-3.7%$1,540/sqft
    Source: MLS PIN #73325874 Report a problem
    3/6/2025Price change$820,000-1.2%$1,598/sqft
    Source: MLS PIN #73325874 Report a problem
    1/22/2025Price change$830,000-2.4%$1,618/sqft
    Source: MLS PIN #73325874 Report a problem
    1/14/2025Listed for sale$850,000+2.4%$1,657/sqft
    Source: MLS PIN #73325874 Report a problem
    1/13/2025Listing removed--
    Source: Owner Report a problem
    12/23/2024Listed for sale$830,000+8.9%$1,618/sqft
    Source: Owner Report a problem
    3/26/2020Sold$762,200$1,486/sqft
    Source: LINK #213514 Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2025$9,525 +13.8%$822,500 +7.1%
    2024$8,369 +2.6%$767,800 +1.1%
    2023$8,160 +0.6%$759,800 +2%
    2022$8,108 +4%$745,200 +2%
    2021$7,796 $730,600
    Find assessor info on the county website

    Neighborhood: South Boston

    Nearby schools

    GreatSchools rating
    Get a cash offer in 3 minutes
    Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
    Estimated market value
    $802,600
    Get a cash offer in 3 minutes
    Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
    Estimated market value
    $802,600