For Sale
New2 days ago
Open House
Condo for sale at 40 William Kelly Sq #403, Boston, MA 02128 | MLS# 73578058 | Listing updated on 2026-09-17
Photo 1 of Condo for sale at 40 William Kelly Sq #403, Boston, MA 02128 | MLS# 73578058 | Listing updated on 2026-09-17
Photo 2 of Condo for sale at 40 William Kelly Sq #403, Boston, MA 02128 | MLS# 73578058 | Listing updated on 2026-09-17
Photo 3 of Condo for sale at 40 William Kelly Sq #403, Boston, MA 02128 | MLS# 73578058 | Listing updated on 2026-09-17
Photo 4 of Condo for sale at 40 William Kelly Sq #403, Boston, MA 02128 | MLS# 73578058 | Listing updated on 2026-09-17
16+
Beds Icon

Street View

$729,000

Monthly Est:$3,628

  • Beds Icon1 Bed
  • Beds Icon
    1 Bath
  • Beds Icon553sqft

40 William Kelly Sq #403, Boston, MA 02128

$3,628/moEst:

Get Pre-Approved

  • Condominium

  • Built in 2023

  • $330/mo HOA

  • -- sqft lot

  • $1,318/sq.ft

Description

The WK Residences are a collection of 9 ultra luxury homes in a boutique elevator building across from East Boston's Waterfront. Residence 403 is a meticulously designed 1 Bed/1 Bath home with floor to ceiling windows, 10 ft ceilings and unobstructed views of Boston Harbor and Boston's Skyline. Hardwood floors throughout, recessed lighting, Central Air, full size washer/dryer in unit. Kitchen has Bosch appliance package, Quartz countertops, 2 tone cabinetry + black fixtures. Space for dining table + perfectly sized living area with custom wall built ins. Primary Bedroom overlooks Boston Harbor. Beautifully tiled bathroom, shower with tub, floor to ceiling Quartz surround ...

Continue Reading
  • Houzeo last checked: 4 minutes ago
  • Listing updated: September 17, 2026 at 7:30 am
  • Listing Provided by: Elevated Boston Team (617) 855-9240 | Elevated Realty, LLC (617) 729-2761
  • Source: MLS Property Information Network-MA | MLS#: 73578058 MLS Property Information Network-MA

Part of

Building
40 William Kelly Sq
No reviews yet

Property Details

  • Status

    Active

  • Type

    Condominium

  • No. of Stories

    1

  • County

    Suffolk County

  • City

    Boston

  • Neighborhood

    East Boston

  • Year Built

    2023

  • HOA Fees

    $330/mo

  • Finished Area

    553 sqft

  • Lot Size

    -- sqft lot

  • Basement Area

    - sqft

  • MLS Name

    MLS Property Information Network

  • MLS Number

    73578058

  • MLS Status

    New

  • Days on Market

    2

Open House

Continue Your Journey in App

Find your dream home, receive real-time updates, and many more!

HOA Management

N/A

HOA Fees

$330/ Monthly

Amenities

Amenities and services may be covered by one or multiple associations and service providers.

Maintenance Maintenance

Trash Pickup Trash Pickup

Snow Removal Snow Removal

Insurance Insurance

Sewer Sewer

Elevator Elevator

Water Water

Reserve Funds Reserve Funds

Disclaimer: Amenities are based on third-party information and may vary; buyers must independently verify all amenities, as information is deemed reliable but not guaranteed.

Facts & Features

Rooms

  • Bedrooms & bathrooms

    Bedroom: 1

    Bathroom: 1

Interior

  • Flooring

    Hardwood

  • Cooling

    Central Air

  • Sewer

    Public Sewer

  • Heating

    Forced Air

  • Appliances

    Range, Dishwasher, Disposal, Microwave, Refrigerator, Freezer, Washer, Dryer

Utilities & Energy

  • Association Amenities

    Elevator(s)

  • Water Source

    Public

  • Parking Features

    Off Street

  • Security Features

    Intercom

  • Laundry Features

    In Unit

  • Electric

    200+ Amp Service

  • Basement

    N

Other Features

  • Community Features

    Public Transportation, Shopping, Park, Walk/jog Trails, Bike Path, Highway Access, Marina, T Station

  • Disclosures

    Living Area And Condo Fee Are Approximate. Seller Will Not Renegotiate Discrepancies. Off Street Parking Available At Multiple Locations.

Price History

DateEventPrice

09/16/2026

Source: mls_logoMLS Property Information Network-MA #73578058

Listed for Sale

$729,000

$1,318/sqft

East Boston Ranks #8 in Boston, MA

Homes for sale
247

Homes

Rental prices
$--

Rental Prices

Median Home Price
$693.75K

Median Home Price

East Boston, Boston, MA neighborhood guide

Based on information provided to and compiled by MLS Property Information Network, Inc. covering through Sep 19, 2026, 01:45AM. The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. from third-party sources, including sellers, lessors and public records, and were compiled by MLS Property Information Network, Inc. The property listing data and information, and the Images, are for the personal, non-commercial use of consumers having a good faith interest in purchasing or leasing listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing or leasing. MLS Property Information Network, Inc. and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the Images, set forth herein. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified. © 2026 MLS Property Information Network, Inc. All Rights Reserved.

Advertising Broker: Derek Greene | The Greene Realty Group

Click to see all homes
static map image
Satellite
Close IconHouzeo

Do Real Estate on the Go!

For Sale
Price
Beds & Baths
Home Type
Filters
Save Search Share