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
Pending
$1,025,000
21 Prospect St #1, Charlestown, MA 02129
2beds
905sqft
Condominium, Rowhouse
Built in 1890
-- sqft lot
$938,300 Zestimate®
$1,133/sqft
$167/mo HOA
What's special
Gas fireplaceCentral airIn-unit laundrySpacious deckOpen-concept layoutUpdated kitchenDedicated dining area
- 44 days |
- 35 |
- 0 |
Likely to sell faster than
Zillow last checked:
Listing updated:
Listed by:
Tracy Shea 617-697-4570,
Coldwell Banker Realty - Boston 617-242-0025,
Sophie Shea 617-877-6112
Source: MLS PIN,MLS#: 73525844
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 2
- Bathrooms: 2
- Full bathrooms: 2
Primary bathroom
- Features: Yes
Heating
- Forced Air
Cooling
- Central Air
Appliances
- Included: Range, Oven, Dishwasher, Disposal, Refrigerator, Freezer, Washer, Dryer
- Laundry: In Unit
Features
- Flooring: Wood
- Has basement: Yes
- Number of fireplaces: 1
Interior area
- Total structure area: 905
- Total interior livable area: 905 sqft
- Finished area above ground: 905
Property
Parking
- Total spaces: 1
- Parking features: Off Street, Rented
- Uncovered spaces: 1
Features
- Patio & porch: Deck, Patio - Enclosed
- Exterior features: Deck, Patio - Enclosed
Details
- Parcel number: W:02 P:02840 S:002,4396131
- Zoning: CD
Construction
Type & style
- Home type: Condo
- Property subtype: Condominium, Rowhouse
Condition
- Year built: 1890
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
Community & HOA
HOA
- Services included: Water, Sewer, Insurance
- HOA fee: $167 monthly
Location
- Region: Charlestown
Financial & listing details
- Price per square foot: $1,133/sqft
- Tax assessed value: $790,000
- Annual tax amount: $9,881
- Date on market: 5/28/2026
Estimated market value
Zestimate®
$938,300
Estimated sales range
$873,000 - $1.00M
Rent Zestimate®
$4,569/mo
Price history
| Date | Event | Price |
|---|---|---|
| 6/5/2026 | Pending sale | $1,025,000$1,133/sqft |
Source: MLS PIN #73525844 Report a problem | ||
| 5/28/2026 | Listed for sale | $1,025,000+54.5%$1,133/sqft |
Source: MLS PIN #73525844 Report a problem | ||
| 2/27/2015 | Sold | $663,300+0.7%$733/sqft |
Source: Public Record Report a problem | ||
| 1/29/2015 | Pending sale | $659,000$728/sqft |
Source: Hammond Residential #71786497 Report a problem | ||
| 1/22/2015 | Listed for sale | $659,000+26.7%$728/sqft |
Source: Hammond Residential #71786497 Report a problem | ||
| 7/21/2003 | Sold | $520,000$575/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $8,970 +10.5% | $774,600 +4% |
| 2024 | $8,116 +6.7% | $744,600 +5.1% |
| 2023 | $7,609 +2.7% | $708,500 +4% |
| 2022 | $7,410 +4% | $681,100 +2% |
| 2021 | $7,125 +7.1% | $667,800 +6% |
| 2020 | $6,653 +7.3% | $630,000 +7.1% |
| 2019 | $6,203 +5.6% | $588,500 +5% |
| 2018 | $5,874 +528.6% | $560,500 -14.1% |
| 2017 | $934 -83.6% | $652,800 +26% |
| 2016 | $5,699 +3.5% | $518,100 +13.9% |
| 2015 | $5,506 +7.6% | $454,700 +16.8% |
| 2013 | $5,115 -17.8% | $389,300 -18.4% |
| 2012 | $6,219 +2% | $476,900 |
| 2011 | $6,100 +7.7% | $476,900 |
| 2010 | $5,666 +13.2% | $476,900 +1.3% |
| 2009 | $5,005 -3% | $470,800 +0.1% |
| 2008 | $5,159 -2.9% | $470,300 -2.8% |
| 2007 | $5,315 | $483,600 |
Find assessor info on the county website
Monthly payment
Est. payment$--/mo
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.Principal & interest
$1,547Mortgage insurance
$0Property taxes
$170Home insurance
$105HOA fees
$0Utilities
Not includedAll calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
See how much you could borrow to make a competitive offer.
Climate risks
Neighborhood: Charlestown
Nearby schools
GreatSchools rating
- 4/10Harvard-Kent Elementary SchoolGrades: PK-6Distance: 0.1 mi
- 3/10Charlestown High SchoolGrades: 7-12Distance: 0.4 mi
- 8/10Warren-Prescott K-8 SchoolGrades: PK-8Distance: 0.4 mi
- $1,022,2002 bd2 ba1k sqft21 Prospect St #2, Charlestown, MA 02129Off Market
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- $1,133,4002 bd2 ba1.1k sqft21 Prospect St #3, Charlestown, MA 02129Off Market
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- $---- bd-- ba-- sqft21 Prospect St, Charlestown, MA 02129Off Market
Save - $--2 bd2 ba1.1k sqft19 Prospect St #PENTHOUSE, Charlestown, MA 02129Off Market
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- $1,094,3002 bd2 ba1k sqft19 Prospect St #1, Charlestown, MA 02129Off Market
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Save - $1,085,7002 bd2 ba1.1k sqft19 Prospect St #3, Charlestown, MA 02129Off Market
Save - $---- bd-- ba-- sqft19 Prospect St, Charlestown, MA 02129Off Market
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Contact agent
- Massachusetts
- Suffolk County
- Boston
- 02129
- Charlestown
- 21 Prospect St Unit 1