Rare PENTHOUSE at Award-Winning PORT45, Residence #512 offers 1,406 sqft of contemporary living space, 2 Bed+Den, Dining area, 2 en-suite baths, 2 private outdoor spaces (LR & roof), nearly floor to ceiling windows overlooking courtyard, custom blinds. Built in 2018, professionally managed, concierge, package HUB, grand lobby, modern fitness center, resident’s lounge & terrace, Silver LEED Certified, state-of-the-art Butterfly lobby system, garage offers electric charging stations, pet spa & dog run, bike storage. The kitchen features Bosch stainless steel appliances, hex glass/marble backsplash, Caesarstone island. Den w/ built-in sleeping loft w/ under working area/storage, its own closet. Located where South Boston meets Seaport, BCEC, Broadway MBTA (red line), Starbucks, other great restaurants/entertainment of West Broadway, just a hop over the bridge to the South End, Whole Foods at Ink Block/SOWA area. See 3D/Video via social media, by searching listing agent’s name.
Sold for $1,400,000 on 09/19/25
$1,400,000
45 W 3rd St UNIT 512, South Boston, MA 02127
2beds
1,406sqft
Condominium
Built in 2018
-- sqft lot
$1,400,100 Zestimate®
$996/sqft
$5,503 Estimated rent
Owner options
What's special
Zillow last checked: 7 hours ago
Listing updated: September 26, 2025 at 08:05pm
Listed by:
Mac Chinsomboon,
Coldwell Banker Realty - Boston,
Mac Chinsomboon
Bought with:
Samantha Hollister Johnson
Compass
Source: MLS PIN,MLS#: 73391317
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 2
- Bathrooms: 2
- Full bathrooms: 2
Heating
- Central
Cooling
- Central Air
Appliances
- Laundry: In Unit
Features
- Den
- Flooring: Hardwood
- Basement: None
- Has fireplace: No
Interior area
- Total structure area: 1,406
- Total interior livable area: 1,406 sqft
- Finished area above ground: 1,406
Property
Parking
- Total spaces: 1
- Parking features: Garage Door Opener, Assigned
- Garage spaces: 1
Features
- Patio & porch: Deck
- Exterior features: Deck
- Waterfront features: Harbor, Ocean, Direct Access, Walk to, 1 to 2 Mile To Beach, Beach Ownership(Public)
Details
- Parcel number: 5087514
- Zoning: RES
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 & neighborhood
Security
- Security features: Intercom, Concierge
Community
- Community features: Public Transportation, Shopping, Park, Highway Access, T-Station
Location
- Region: South Boston
HOA & financial
HOA
- HOA fee: $927 monthly
- Amenities included: Elevator(s), Recreation Facilities, Fitness Center, Clubroom
- Services included: Water, Sewer, Insurance, Maintenance Structure, Maintenance Grounds, Snow Removal, Trash
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Estimated market value
$1,400,100