Recently Viewed Properties
See This Home
Save This Listing
Close

View All Photos

$1,025,000 Sale Pending

  • For Sale
  • Pending
  • Condo
  • 2 Beds
  • 2 Full Baths
  • 905 Sq. Ft.
See This Home
Save This Home
See This Home
Save This Home
Offer Accepted Open House Cancelled! 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: Pending
  • Type: Condo
  • Source: MLSPin
  • MLS ID: 73525844
  • Updated: 6/5/2026
  • Added to Site: 46 day(s) ago

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: 2
  • 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, Windows, 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.

Quickly Find Out More

* Indicates a required field

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Send Message, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If an Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby’s International Realty®). I acknowledge that I have read and agree to the Terms of Use and Privacy Notice.

We Value Your Privacy

Meet the listing agents

Meet the listing agents
— 21 Prospect St #1 —

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

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

$
Down Payment
%
$
%

$
$

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

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Similar Properties near 21 Prospect St #1

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

73 Chelsea St, Boston, MA 02129 - Photo 1
$817,000

73 Chelsea St  #305  Boston, MA 02129

  • Condo
  • Active
  • 2
    Beds
  • 2
    Total Baths
  • 963
    Sq. Ft.
17 Cordis St, Boston, MA 02129 - Photo 1
$815,000

17 Cordis St  #1  Boston, MA 02129

  • Condo
  • Active
  • 2
    Beds
  • 1
    Total Bath
  • 702
    Sq. Ft.
Listed by Sarah Fillmann (617) 797-5199 and Courtney Collier (781) 264-0303
42 8th St, Boston, MA 02129 - Photo 1
$820,000

42 8th St  #2511  Boston, MA 02129

  • Condo
  • Active
  • Updated 7 days ago
  • 2
    Beds
  • 2
    Total Baths
  • 1,013
    Sq. Ft.
47 Harvard St, Boston, MA 02129 - Photo 1
$1,195,000

47 Harvard St  #C202  Boston, MA 02129

  • Condo
  • Active
  • 2
    Beds
  • 2
    Total Baths
  • 1,011
    Sq. Ft.

Just Listed near 21 Prospect St #1

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

87 Parker St, Chelsea, MA 02150 - Photo 1 Just Listed
$539,888

87 Parker St  #402  Chelsea, MA 02150

  • Condo
  • Active
  • Updated 2 days ago
  • 2
    Beds
  • 2
    Total Baths
  • 812
    Sq. Ft.
20 John St, Chelsea, MA 02150 - Photo 1 Just Listed
$999,999

20 John St  Chelsea, MA 02150

  • Single Family
  • Active
  • Updated 3 days ago
  • 5
    Beds
  • 2
    Total Baths
  • 4,797
    Sq. Ft.
60 Beacon St, Chelsea, MA 02150 - Photo 1 Just Listed
$479,000

60 Beacon St  #1  Chelsea, MA 02150

  • Condo
  • Active
  • Updated 2 days ago
  • 3
    Beds
  • 1
    Total Bath
  • 885
    Sq. Ft.
49 Breakwater Dr, Chelsea, MA 02150 - Photo 1 Just Listed
$799,000

49 Breakwater Dr  #T-10  Chelsea, MA 02150

  • Townhouse
  • Active
  • Updated 2 days ago
  • 3
    Beds
  • 3
    Total Baths
  • 1,925
    Sq. Ft.

Price Reduced near 21 Prospect St #1

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

74 Chestnut St, Chelsea, MA 02150 - Photo 1 Price Reduced
-$50,100 (-5.01%)
$949,900

74 Chestnut St  Chelsea, MA 02150

  • Multi-Family
  • Active
  • Updated 1 day ago
  • 2
    Units
  • 6
    Total Beds
  • 0.04
    Acres
Listed by Debbie Heald (617) 413-9084
16 Reynolds Ave, Chelsea, MA 02150 - Photo 1 Price Reduced
-$14,500 (-3.52%)
$398,000

16 Reynolds Ave  #2  Chelsea, MA 02150

  • Condo
  • Active
  • Updated 3 days ago
  • 2
    Beds
  • 1
    Total Bath
  • 929
    Sq. Ft.
7 Carmel St, Chelsea, MA 02150 - Photo 1 Price Reduced
-$50,100 (-4.55%)
$1,049,900

7 Carmel St  Chelsea, MA 02150

  • Multi-Family
  • Active
  • Updated 1 day ago
  • 3
    Units
  • 7
    Total Beds
  • 0.06
    Acres
87 Parker St, Chelsea, MA 02150 - Photo 1 Price Reduced
-$8,888 (-1.75%)
$500,000

87 Parker St  #403  Chelsea, MA 02150

  • Condo
  • Active
  • Updated 12 hours ago
  • 2
    Beds
  • 2
    Total Baths
  • 812
    Sq. Ft.

Recent Sales near 21 Prospect St #1

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

31 1/2 Mt Vernon, Boston, MA 02129 - Photo 1 Sold
$925,000

31 1/2 Mt Vernon  #2  Boston, MA 02129

  • Condo
  • Closed
  • 1
    Bed
  • 1
    Total Bath
  • 1,050
    Sq. Ft.
Listed by Sarah Fillmann and Courtney Collier
Sold by Tracy Shea
92 Bunker Hill St, Boston, MA 02129 - Photo 1 Sold
$1,026,000

92 Bunker Hill St  Boston, MA 02129

  • Multi-Family
  • Closed
  • 2
    Units
  • 4
    Total Beds
  • 0.04
    Acres
106-108 Bunker Hill St, Boston, MA 02129 - Photo 1 Sold
$1,175,000

106-108 Bunker Hill St  #4P  Boston, MA 02129

  • Condo
  • Closed
  • 3
    Beds
  • 2
    Total Baths
  • 1,343
    Sq. Ft.
106-108 Bunker Hill St, Boston, MA 02129 - Photo 1 Sold
$900,000

106-108 Bunker Hill St  #2  Boston, MA 02129

  • Condo
  • Closed
  • 2
    Beds
  • 2
    Total Baths
  • 1,160
    Sq. Ft.

21 Prospect St #1, Boston, MA 02129 (MLS# 73525844) is a Condo property with 2 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 Boston? You can browse all Boston real estate or contact a Coldwell Banker agent to request more information.

Tour this property