For sale

Price cut: $14K (11/5)

$629,000

45 1st Ave #101, Charlestown, MA 02129

2beds

862sqft

$5,142/mo

Get pre-qualified

Condominium

Built in 2015

-- sqft lot

$616,000 Zestimate^®

$730/sqft

$750/mo HOA

What's special

Central acIn-unit laundryOpen kitchenQuartz countertopsScenic parksGas cookingWalks along the harborwalk

PRICE REDUCTION + 2 YEARS OF FREE GARAGE PARKING! Welcome to The Starboard in Charlestown’s historic Navy Yard. This spacious 862SQFT 1+ bedroom features a bonus room ideal for a home office, guest room or extra living space. Enjoy soaring 9+ ft ceilings and an excellent location in the building. The open kitchen offers Bosch stainless steel appliances, gas cooking and quartz countertops. Central AC and in-unit laundry. Professionally managed, pet-friendly building with an elevator and bike storage. Includes a valet garage parking spot at Flagship Wharf, free for 2 years. Enjoy the HarborWalk, scenic parks, sailing, and acclaimed restaurants, with Monument Square, Main Street, and the Gaslight District’s cafés, shops, and local favorites nearby. With easy access to the MGH shuttle, the ferry and downtown Boston, this is a rare chance to enjoy waterfront living with easy city access.

66 days
1,062
84

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 2
Bathrooms: 1
Full bathrooms: 1

Heating

Forced Air, Heat Pump, Natural Gas

Cooling

Heat Pump

Appliances

Included: Range, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer
Laundry: In Unit

Features

Flooring: Hardwood
Has basement: No
Has fireplace: No

Interior area

Total structure area: 862
Total interior livable area: 862 sqft
Finished area above ground: 862

Property

Parking

Total spaces: 1
Parking features: Off Street, On Street
Garage spaces: 1
Has uncovered spaces: Yes

Features

Entry location: Unit Placement(Street)

Details

Parcel number: CHARW02P03511S402
Zoning: CD

Construction

Type & style

Home type: Condo
Property subtype: Condominium
Attached to another structure: Yes

Materials

Frame, Brick
Roof: Slate,Rubber

Condition

Year built: 2015

Utilities & green energy

Sewer: Public Sewer
Water: Public
Utilities for property: for Gas Range

Community & HOA

Community

Features: Public Transportation, Tennis Court(s), Park, Walk/Jog Trails, Medical Facility, Conservation Area, Highway Access, House of Worship, Marina, Private School, Public School, T-Station
Security: Intercom

HOA

Amenities included: Elevator(s), Garden Area
Services included: Water, Sewer, Insurance, Security, Maintenance Structure, Maintenance Grounds, Snow Removal, Trash, Reserve Funds
HOA fee: $750 monthly

Location

Region: Charlestown

Financial & listing details

Price per square foot: $730/sqft
Tax assessed value: $630,900
Annual tax amount: $3,469
Date on market: 9/10/2026

Estimated market value

$616,000

$585,000 - $647,000

$3,864/mo

Price history

Date	Event	Price
11/5/2026	Price change	$629,000-2.2%$730/sqft
Source: MLS PIN #73574987 Report a problem
10/7/2026	Price change	$643,000-2.4%$746/sqft
Source: MLS PIN #73574987 Report a problem
9/10/2026	Listed for sale	$659,000$765/sqft
Source: MLS PIN #73574987 Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$7,433 +7.6%	$641,900 +1.3%
2024	$6,906 +6.5%	$633,600 +5%
2023	$6,482 +0.7%	$603,500 +2%
2022	$6,437 +2%	$591,600
2021	$6,312 -0.2%	$591,600 -1.2%
2020	$6,323 +2.2%	$598,800 +2%
2019	$6,189 +5.6%	$587,200 +5%
2018	$5,860 +2.9%	$559,200 +4%
2017	$5,696	$537,900