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21 Prospect St # 1, Boston MA 02129

Boston, MA 02129 • Charlestown
$1,025,000
Est. $6,373/month
2
Beds
2
Baths
905
Sq Ft
$1,133
Price/Sq Ft
1890
Year Built
3 hours 43 minutes
Time on Market
Active Open House Listed May 28, 2026 • MLS# 73525844 Copied!

About this home

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.

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Property Overview

Property Type
Condominium
Listing Type
For Sale
Year Built
1890
Bedrooms
2
Full Bathrooms
2
Living Area
905 sq ft
Total Rooms
5
Stories
1
Entry Level
1

Open House Schedule

28
May
Thursday, May 28
5:30 PM - 6:30 PM EDT
30
May
Saturday, May 30
12:00 PM - 1:00 PM EDT
31
May
Sunday, May 31
12:00 PM - 1:00 PM EDT

Facts & Features

Central AC

Home Facts

Type Residential
Style Condominium
Year Built 1890
Living Area 905 sq ft
Bedrooms 2
Full Baths 2
Total Rooms 5

Interior

Heating Forced Air
Cooling Central Air
Flooring Wood
Appliances Range, Oven, Dishwasher, Disposal, Refrigerator, Freezer, Washer, Dryer
Fireplace None
Fireplaces 1
Basement Y
Laundry In Unit
Features None

Exterior

Construction None
Architecture None
Roof None
Features Deck, Patio - Enclosed
Pool None
Spa None
Fencing None
Patio/Porch Deck, Patio - Enclosed

Parking

Features Off Street, Rented
Total Spaces 1

Utilities

Electric None
Water Public
Sewer Public Sewer
Gas None
Other None

Financial

Annual Tax $9,882
Assessed Value $790,000

Interior Features

Flooring: Wood
Appliances: Range, Oven, Dishwasher, Disposal, Refrigerator, Freezer, Washer, Dryer
Interior Features:
Windows:
Basement: Y
Laundry: In Unit
Security:

Construction & Materials

Year Built: 1890
Structure Type: Rowhouse
Exterior Materials:
Roof:
Foundation:
Stories: 1

Heating, Cooling & Utilities

Heating: Forced Air
Cooling: Central Air
Hot Water:
Water Source: Public
Sewer: Public Sewer
Energy Features:

Exterior & Lot

Exterior Features: Deck, Patio - Enclosed
Patio & Porch: Deck, Patio - Enclosed
Fencing:
Other Structures:
Lot Features:
Road Surface:

Parking & Garage

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

Special Features

Fireplaces: 1
Fireplace Type:
Community Amenities:

Location

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Neighborhood

Charlestown

21 Prospect St # 1, Boston MA 02129

Boston, MA 02129

Walkability

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Nearby Schools

School District
Boston School District local
C-
🎓 Where Graduates Go Class of 2021
52% attend college
38% 4-Year 14% 2-Year 7% Out of State 7% Working
School Safety 2024-25
3.7% Above Average
3.2% Suspensions 0.3% In-School 0.5% Emergency
1.8% below state avg
E

Elementary Schools

3 schools
Harvard/Kent Elem
< 0.1 mi
C
Harvard-Kent Elementary School
< 0.1 mi | #589 of 824 | Score: 41.5
Dropped 181 spots from last year
-16.7 below state avg
334 students Very Diverse
Diverse Student Body
Grades PK-06
A-
Warren-Prescott K-8 School
0.4 mi | #85 of 352 | Score: 51.3
Improved 4 spots from last year
-7 below state avg
507 students Diverse
Grades PK-08
M

Middle Schools

1 school
Edwards Middle
0.5 mi
H

High Schools

3 schools
Charlestown High
0.4 mi
D
Charlestown High School
0.4 mi | #322 of 346 | Score: 31.0
Improved 49 spots from last year
-27.2 below state avg
754 students Diverse
11 sports • 488 athletes
Early College Program Rising School
Grades 07-12
Seaport Academy School
1.2 mi
Grades 07-12
Learn about these ratings

Monthly Payment Calculator

Monthly Payment
$0
Principal, interest, taxes & insurance
Loan Amount
$0
After down payment
Total Interest
$0
Over life of loan
Total Cost
$0
Including down payment
%
Down: $0
%

Monthly Payment Breakdown

Principal & Interest $0
Property Tax $823
Homeowners Insurance $200
HOA Fee $167/mo
PMI (if <20% down) $0

Loan Summary

Total of 360 payments $0
Total principal paid $0
Total interest paid $0

Rate Impact

-0.5% Rate
$0/mo
Save $0/mo
Current Rate
$0/mo
+0.5% Rate
$0/mo
Cost $0/mo

Payment Over Time

Interest
Principal
Year 1
95% Interest
Year 15
50/50
Year 30
95% Principal
* Estimates only. Actual payments may vary. Consult with a lender for accurate figures.

Property History

Market Insights

35.3%
Price Range
1
Previous Sales

Property Timeline

🏠
Listed for Sale
May 28, 2026
$1,025,000
Original listing
Agent: Tracy Shea Office: Coldwell Banker Realty - Boston
Previous Transaction - MLS #71786497
Full transaction history available when tracking began
🏷️
Previously Sold
Feb 27, 2015
$663,300
MLS #71786497

Price & Status History

Date Event Price Change
May 28, 2026 New Listing Added $1,025,000
Feb 27, 2015 Sold $663,300

Market Statistics

Time on Market
3 hours 43 minutes
Price per Sq Ft
$1,133

Tax History

Year Taxes Assessment
2026 $9,882 $790,000

Financial Details

Annual Property Tax
$9,882
Tax Year 2026
HOA Fee
$167
Per month
Assessed Value
$790,000

Listing Information

Listing Agent Tracy Shea
Listing Office Coldwell Banker Realty - Boston
Agent MLS ID BB804998
Office MLS ID AN6194
Listing Data Updated May 28, 2026 1:10 PM EDT
Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.

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Market Analytics for Boston, MA

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