Magnificent home with premier City location on Monument Square. Renovated for today's modern living. The first floor offers an open floor plan ideal for entertaining including a living room, a dining room and a large kitchen with Calacatta quartz countertops. Amazing outdoor deck and courtyard off of the kitchen. Original 1800's architectural details throughout. Second floor includes primary bedroom suite, spa bathroom, steam shower and a family room with custom built-ins and an office. The third floor has two great-sized bedrooms and two bathrooms. The top floor has two bedrooms and a family room with staircase to a large roof deck with 360-degree views of the City. Owners' unit is 4700 square feet plus garden apartment for au pair or income and storage. Two parking spaces! Convenient neighborhood, this beautiful home offers City living at its finest.
Sold for $3,950,000
$3,950,000
20 Monument Sq, Charlestown, MA 02129
5beds
5,500sqft
Single Family Residence
Built in 1862
2,500 Square Feet Lot
$4,825,600 Zestimate®
$718/sqft
$-- Estimated rent
Home value
$4,825,600
$4.29M - $5.45M
Not available
Zestimate® history
Owner options
List your home for rent
Find your next renter with Zillow Rental Manager. Plus, with online applications, you can quickly screen prospective tenants – for free.
Refinance and save
$18,839/mo
Est. payment
Refinancing to a lower rate could help reduce your monthly payments and save thousands over the life of the loan.
$18,839/mo
Est. payment
Explore your selling options
Work with a Zillow partner agent
Leverage their expertise and Zillow's premium Showcase listings to get your home seen by more buyers.
Get startedList with your own agent
Get your home in front of millions of buyers by listing it on Zillow.
Learn how to do itSell it yourself
Take full control of how buyers see your home on Zillow by listing For Sale by Owner (FSBO).
List your homeWhat's special
Large roof deckCalacatta quartz countertopsLarge kitchenOpen floor planSteam showerSpa bathroomGarden apartment
Zillow last checked:
Listing updated:
Listed by:
Frank Celeste 617-872-3227,
Gibson Sotheby's International Realty 617-242-4222,
Jamie N. Imperato 917-299-9026
Bought with:
Sarah Fillmann
Coldwell Banker Realty - Boston
Source: MLS PIN,MLS#: 73155831
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 7
- Full bathrooms: 5
- 1/2 bathrooms: 2
Primary bathroom
- Features: Yes
Heating
- Forced Air, Natural Gas
Cooling
- Central Air
Appliances
- Included: Gas Water Heater, Range, Dishwasher, Refrigerator, Washer, Dryer, Range Hood
Features
- Flooring: Hardwood, Pine, Parquet
- Windows: Insulated Windows
- Basement: Full,Finished,Walk-Out Access
- Number of fireplaces: 7
Interior area
- Total structure area: 5,500
- Total interior livable area: 5,500 sqft
Property
Parking
- Total spaces: 2
- Parking features: Off Street
- Uncovered spaces: 2
Features
- Patio & porch: Deck - Roof, Enclosed
- Exterior features: Deck - Roof, Patio - Enclosed, Fenced Yard, City View(s)
- Fencing: Fenced
- Has view: Yes
- View description: City
Lot
- Size: 2,500 Square Feet
- Features: Gentle Sloping
Details
- Parcel number: 1281799
- Zoning: 0104
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Italianate,Second Empire
- Property subtype: Single Family Residence
- Attached to another structure: Yes
Materials
- Brick
- Foundation: Granite
- Roof: Rubber
Condition
- Year built: 1862
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
Community & HOA
Community
- Features: Public Transportation, Shopping, Tennis Court(s), Park, Medical Facility, Highway Access, House of Worship, Marina, Public School, T-Station
HOA
- Has HOA: No
Location
- Region: Charlestown
Financial & listing details
- Price per square foot: $718/sqft
- Tax assessed value: $3,237,200
- Annual tax amount: $32,223
- Date on market: 12/29/2025
Price history
| Date | Event | Price |
|---|---|---|
| 11/17/2023 | Sold | $3,950,000$718/sqft |
Source: MLS PIN #73155831 Report a problem | ||
| 9/6/2023 | Listed for sale | $3,950,000-12.2%$718/sqft |
Source: MLS PIN #73155831 Report a problem | ||
| 7/1/2023 | Listing removed | $4,500,000$818/sqft |
Source: MLS PIN #73083550 Report a problem | ||
| 4/13/2023 | Price change | $4,500,000-9.9%$818/sqft |
Source: MLS PIN #73083550 Report a problem | ||
| 3/22/2023 | Price change | $4,995,000-9.2%$908/sqft |
Source: MLS PIN #73083550 Report a problem | ||
| 3/2/2023 | Listed for sale | $5,500,000+266.7%$1,000/sqft |
Source: MLS PIN #73083550 Report a problem | ||
| 6/1/2001 | Sold | $1,500,000$273/sqft |
Source: LINK #22838 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $44,024 +21.1% | $3,801,700 +14% |
| 2024 | $36,344 +1.5% | $3,334,300 |
| 2023 | $35,810 +1.7% | $3,334,300 +3% |
| 2022 | $35,221 +2% | $3,237,200 |
| 2021 | $34,541 +18% | $3,237,200 +16.8% |
| 2020 | $29,278 +10.2% | $2,772,500 +10% |
| 2019 | $26,565 +7.6% | $2,520,400 +7% |
| 2018 | $24,679 +367.9% | $2,354,900 +5% |
| 2017 | $5,274 -77.1% | $2,241,700 +6.9% |
| 2016 | $23,057 +10.4% | $2,096,100 +21.6% |
| 2015 | $20,880 +6.5% | $1,724,163 +15.6% |
| 2013 | $19,606 +1.9% | $1,492,062 +1.1% |
| 2012 | $19,239 +2% | $1,475,400 |
| 2011 | $18,870 +6.6% | $1,475,400 -1% |
| 2010 | $17,705 -1.8% | $1,490,300 -12.1% |
| 2009 | $18,021 -13.2% | $1,695,300 -10.4% |
| 2008 | $20,759 -5.4% | $1,892,300 -5.2% |
| 2007 | $21,935 | $1,995,900 |
Find assessor info on the county website
Neighborhood: Charlestown
Nearby homes
- $--1 bd1 ba650 sqft20 Monument Sq #1, Charlestown, MA 02129Off Market
- $983,7001 bd1 ba-- sqft20 Monument Sq #A, Boston, MA 02129Off Market
- $5,666,3004 bd5 ba5.9k sqft21 Monument Sq, Charlestown, MA 02129Off Market
- $2,730,7003 bd3 ba2.7k sqft19 Monument Sq #A, Charlestown, MA 02129Off Market
- $628,4002 bd1 ba518 sqft19 Monument Sq #B, Charlestown, MA 02129Off Market
- $850,6001 bd1 ba957 sqft19 Monument Sq #C, Charlestown, MA 02129Off Market
- $1,058,9002 bd1 ba1.1k sqft19 Monument Sq #PENTHOUSE, Charlestown, MA 02129Off Market
- $1,531,6001 bd2 ba1.8k sqft18 Monument Sq #1, Charlestown, MA 02129Off Market
Nearby schools
GreatSchools rating
- 4/10Harvard-Kent Elementary SchoolGrades: PK-6Distance: 0.1 mi
- 3/10Charlestown High SchoolGrades: 7-12Distance: 0.2 mi
- 8/10Warren-Prescott K-8 SchoolGrades: PK-8Distance: 0.2 mi
Get a cash offer in 3 minutes
Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
Estimated market value
$4,825,600
Get a cash offer in 3 minutes
Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
Estimated market value
$4,825,600
- Massachusetts
- Suffolk County
- Boston
- 02129
- Charlestown
- 20 Monument Sq
