
20 Allston St Unit 2 Charlestown, MA 02129
Thompson Square-Bunker Hill NeighborhoodHighlights
- Deck
- 1 Fireplace
- 5-minute walk to Doherty Playground
- Rowhouse Architecture
- Forced Air Heating and Cooling System
About This Home
As of June 2025OPEN HOUSE CANCELED - offer accepted. Welcome to this sun-filled and charming penthouse in the heart of beloved Charlestown. This two+ bedroom home offers a bright and inviting open-concept living space. The spacious family room with a fireplace flows seamlessly into a beautifully updated kitchen with an island. The dedicated dining room is perfect for both daily meals and more formal gatherings and opens to a private back deck with a grill, ideal for outdoor relaxation. The main level also includes a generously sized bedroom with a walk-in closet and a full bath with a tub. Upstairs, the primary suite boasts vaulted ceilings, a walk-in closet, and an en-suite bath. An adorable nursery (or office) provides the perfect flexible space to suit your needs. Additional conveniences include central air and in-unit washer/dryer. A truly delightful home that blends comfort, style, and functionality.
Last Agent to Sell the Property
Coldwell Banker Realty - Boston Listed on: 04/09/2025

Property Details
Home Type
- Condominium
Est. Annual Taxes
- $10,229
Year Built
- Built in 1910
HOA Fees
- $250 Monthly HOA Fees
Home Design
- Rowhouse Architecture
- Shingle Roof
Interior Spaces
- 1,227 Sq Ft Home
- 2-Story Property
- 1 Fireplace
- Laundry in unit
Bedrooms and Bathrooms
- 2 Bedrooms
- 2 Full Bathrooms
Parking
- On-Street Parking
- Open Parking
Outdoor Features
- Deck
Schools
- Bps Elementary And Middle School
- Bps High School
Utilities
- Forced Air Heating and Cooling System
- 1 Cooling Zone
- 1 Heating Zone
Listing and Financial Details
- Assessor Parcel Number W:02 P:01715 S:004,4830093
Community Details
Overview
- Association fees include water, sewer, insurance
- 2 Units
Pet Policy
- Call for details about the types of pets allowed
Ownership History
Purchase Details
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.Purchase Details
Purchase Details
Purchase Details
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.Similar Homes in the area
Home Values in the Area
Average Home Value in this Area
Purchase History
Date | Type | Sale Price | Title Company |
---|---|---|---|
Not Resolvable | $839,000 | None Available | |
Deed | $589,000 | -- | |
Deed | -- | -- | |
Quit Claim Deed | -- | -- | |
Deed | $456,500 | -- |
Mortgage History
Date | Status | Loan Amount | Loan Type |
---|---|---|---|
Open | $629,250 | New Conventional | |
Previous Owner | $530,000 | Adjustable Rate Mortgage/ARM | |
Previous Owner | $206,500 | Purchase Money Mortgage |
Property History
Date | Event | Price | Change | Sq Ft Price |
---|---|---|---|---|
06/02/2025 06/02/25 | Sold | $1,125,000 | +4.7% | $917 / Sq Ft |
04/11/2025 04/11/25 | Pending | -- | -- | -- |
04/09/2025 04/09/25 | For Sale | $1,075,000 | -- | $876 / Sq Ft |
Tax History Compared to Growth
Tax History
Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
---|---|---|---|---|
2025 | $10,229 | $883,300 | $0 | $883,300 |
2024 | $9,446 | $866,600 | $0 | $866,600 |
2023 | $9,029 | $840,700 | $0 | $840,700 |
2022 | $8,795 | $808,400 | $0 | $808,400 |
2021 | $8,626 | $808,400 | $0 | $808,400 |
2020 | $7,981 | $755,800 | $0 | $755,800 |
2019 | $7,113 | $674,835 | $0 | $674,835 |
2018 | $6,735 | $642,700 | $0 | $642,700 |
2017 | $6,545 | $618,000 | $0 | $618,000 |
2016 | $6,877 | $625,200 | $0 | $625,200 |
2015 | $6,360 | $525,200 | $0 | $525,200 |
2014 | $6,060 | $481,700 | $0 | $481,700 |
Agents Affiliated with this Home
-
Seller's Agent in 2025
Bell Petrini Group
Coldwell Banker Realty - Boston
(617) 206-3333
4 in this area
87 Total Sales
-
Seller Co-Listing Agent in 2025
Katherine Bell
Coldwell Banker Realty - Boston
(781) 801-6654
1 in this area
19 Total Sales
-
Seller Co-Listing Agent in 2025
Madeline Petrini
Coldwell Banker Realty - Boston
(781) 956-3547
1 in this area
14 Total Sales
-
Buyer's Agent in 2025
Nancy Roth
Gibson Sothebys International Realty
(617) 242-4222
153 in this area
232 Total Sales
Map
Source: MLS Property Information Network (MLS PIN)
MLS Number: 73357252

APN: CHAR-000000-000002-001715-000004
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