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$1,025,000 Just Listed

  • For Sale
  • Active
  • Condo
  • 3 Beds
  • 2 Full Baths
  • 905 Sq. Ft.
  • Updated 41 minutes ago

Next open house:

Open House: 5:30 PM - 6:30 PM

Thursday 5/28 5:30 PM - 6:30 PM

21 Prospect St #1,Boston, MA 02129

21 Prospect St #1BostonMA02129

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Join us at 21 Prospect St #1 on:

  • Open House: 12:00 PM - 1:00 PM

    Saturday 5/30 12:00 PM - 1:00 PM

    21 Prospect St #1,Boston, MA 02129
    21 Prospect St #1BostonMA02129
  • Open House: 12:00 PM - 1:00 PM

    Sunday 5/31 12:00 PM - 1:00 PM

    21 Prospect St #1,Boston, MA 02129
    21 Prospect St #1BostonMA02129
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Save This Home
See This Home
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Discover your urban oasis in Charlestown's coveted Gas Light District. This sun-filled 2BR/2BA home offers beautiful park views through a dramatic wall of windows and a rare fully exposed side, flooding the home with exceptional natural light throughout the day. The open-concept layout is ideal for everyday living and entertaining, featuring a gas fireplace, dedicated dining area, and updated kitchen with quartz countertops, blue cabinetry, and high-end stainless steel appliances. Spacious primary suite includes double closets and an en-suite bath with tub/shower. Generous second bedroom offers space for a queen bed plus office nook. Enjoy an unusually large private outdoor setup with both a spacious deck and fenced brick courtyard. Additional highlights include high ceilings, central air, in-unit laundry, custom built-ins, exceptional basement storage, and excellent closet space throughout. One off-street parking space available to lease for 2 years next to the unit.

Full Property Details for 21 Prospect St #1

General

  • Price: $1,025,000
  • HOA FEE: $167
  • Taxes: $9,881 (2026)
  • Status: Active
  • Type: Condo
  • Source: MLSPin
  • MLS ID: 73525844
  • Updated: Today (5/28/2026)
  • Added to Site: Today

Interior

  • Number of Rooms: 5
  • Fireplace: Yes
  • Number of Fireplaces: 1
  • Appliances: Range, Oven, Dishwasher, Disposal, Refrigerator, Freezer, Washer, Dryer
  • Flooring: Wood

Rooms

Bathrooms

  • Total Bathrooms: 2
  • Full Bathrooms: 2
  • Main - Full Baths: 2

Bedrooms

  • Total Bedrooms: 3
  • Primary Bedroom: Yes

Other Rooms

  • Laundry: In Unit

Exterior

  • Exterior Features: Deck, Patio - Enclosed

Parking

  • Total Spaces: 1
  • Parking Features: Off Street, Rented

Location

  • Area: Charlestown
  • County: Suffolk
  • Driving Directions: GPS Monument Sq to Tremont St to Prospect St

Heating & Cooling

  • Air Conditioning: Yes
  • Cooling Type: Central Air
  • Heating Type: Forced Air
  • Heating Fuel: Forced Air

Utilities

  • Sewer: Public Sewer
  • Water: Public

Structural Information

  • Basement: Yes
  • Basement Desc.: Y
  • Stories/Levels: 1
  • Square Feet: 905
  • Sq. Ft. Source: Public Records
  • Year Built: 1890

Financial Considerations

  • Price Per Sq. Ft.: $1,132.6
  • Association Fee: $167
  • Tax Amount: $9,881.56
  • Tax Year: 2026

Disclosures and Reports

  • Disclosures/Rstr.: HVAC System, Furnace, and Roof are older. HVAC system has received maintenance each year, and filters have been changed out quarterly. The basement floor can get damp in rainy conditions.
  • Property ID: W:02 P:02840 S:002, 4396131
Buyer's Brokerage Compensation: Contact Listing Agent
Not binding unless confirmed by separate agreement among applicable parties.

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— 21 Prospect St #1 —

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Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 21 Prospect St #1

School District:Boston School District
NameGradesDistance
Harvard-Kent Elementary School
50 Bunker Hill Street, Boston, MA 02129
PK-50.1 mi
Warren-Prescott K-8 School
50 School Street, Boston, MA 02129
PK-80.4 mi
Eliot K-8 Innovation School
16 Charter Street, Boston, MA 02113
PK-80.7 mi
Charlestown High School
240 Medford Street, Boston, MA 02129
9-120.4 mi
East Boston High School
86 White Street, Boston, MA 02128
9-121.2 mi
Quincy Upper School
152 Arlington Street, Boston, MA 02116
6-121.9 mi
Boston Adult Academy
20 Church St, Boston, MA 02116
9-121.9 mi
Snowden Int'L High School
150 Newbury Street, Boston, MA 02116
9-122 mi
Excel High School
95 G. Street, Boston, MA 02127
9-123 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 21 Prospect St #1 Get Price Alerts and Save Property

Date
Details
Price
Change
Source
5/28/2026
Listed
$1,025,000
54.53%
MLS
2/27/2015
Sold
$663,300
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 21 Prospect St #1

Year
Property Taxes
Change
Tax Assessment
Change
2025
$8,970
11%
$774,600
4%
2024
$8,116
7%
$744,600
5%
2023
$7,609
3%
$708,500
4%
2022
$7,410
4%
$681,100
2%
2021
$7,125
7%
$667,800
6%
2020
$6,653
7%
$630,000
7%
2019
$6,203
6%
$588,500
5%
2018
$5,874
-15%
$560,500
-14%
2017
$6,913
21%
$652,800
26%
2016
$5,699
4%
$518,100
14%
2015
$5,506
8%
$454,700
12%
2014
$5,094
—
$404,900
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Estimate the Cost for 21 Prospect St #1

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*These costs are estimates, and the interest rates assume exceptional credit standing.

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21 Prospect St #1, Boston, MA 02129 (MLS# 73525844) is a Condo property with 3 bedrooms and 2 full bathrooms. 21 Prospect St #1 is currently listed for $1,025,000 and was received on May 28, 2026. This property is listed by Tracy Shea from our Charlestown Office.Want to learn more about 21 Prospect St #1? Do you have questions about finding other Condo real estate for sale in Charlestown? You can browse all Charlestown real estate or contact a Coldwell Banker agent to request more information.

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