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21 Harvard St 4Boston, MA 02129

For Sale

$715,000

Smart Buyer Rebate $1,800

Tucked away in Charlestown’s City Square, this oversized one bedroom, one bathroom condo offers a rare blend of charm and modern updates. The bedroom features soaring ceilings and a charming loft, creating a flexible retreat perfect for additional storage, a reading nook, or a creative workspace. The freshly renovated bathroom is flooded with natural light. Open up the Juliette balcony skylight to enjoy fresh air and views, adding to the home's peaceful, tucked-away feel. Rich in character and thoughtfully updated, this one-of-a-kind residence offers the perfect balance of historic Charlestown charm and modern comfort.

Listed by Kerry D'Ambroise

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Columbus and Over Group, LLC

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978-821-2187

Last updated July 29, 2026

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Source: MLSPin #73555967

Listing Facts

  • TypeCondo
  • NeighborhoodThompson Square - Bunker Hill
  • Bedrooms1
  • Bathrooms1
  • Days on Prevu3
  • HOA/Maint. Fees$206.4/month
  • Taxes$6,515/year
  • Size676 sqft
  • Price per sqft$1,058

Location

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Listing History

07/28/2026
Listed by Columbus and Over Group, LLC
$715,000

Property Details for 21 Harvard St 4

Association

Fees

  • Association Fee: $206.40 Monthly
  • Association Fee Includes: Water, Sewer, Insurance

Exterior

Construction

  • Number Of Units Total: 4
  • Stories: 1
  • Stories Total: 1
  • Structure Type: Brownstone
  • Year Built: 1899
  • Year Built Details: Renovated Since
  • Entry Level: 4

Measurements

  • Building Area Total: 676
  • Building Area Units: Square Feet
  • Lot Size Units: Acres

Financial

Taxes

  • Parcel Number: W:02 P:03720 S:008,4725419
  • Tax Annual Amount: $6,515.00
  • Tax Assessed Value: $562,600.00
  • Tax Year: 2025

Interior

Features

  • Fireplace: Yes
  • Fireplaces Total: 2
  • Flooring: Wood

Measurements

  • Living Area: 676
  • Living Area Source: Public Record

Rooms

  • Basement: Y
  • Bathrooms Full: 1
  • Bathrooms Total Integer: 1
  • Bedrooms Total: 1
  • Rooms Total: 3

Parking

Parking

  • Open Parking: Yes
  • Parking Features: On Street

Utilities

Equipment

  • Cooling: Window Unit(s)
  • Has Cooling: Yes
  • Heating: Baseboard
  • Has Heating: Yes
  • Laundry Features: In Building
  • Sewer: Public Sewer
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this condo have?

There is 1 bedroom and 1 bathroom in this condo at 21 Harvard St 4.

What are the annual taxes for 21 Harvard St 4?

Annual taxes for this condo are estimated at $6,515.

How does 21 Harvard St 4 compare to other condos in Thompson Square - Bunker Hill?

This condo is listed 8% below the average price for condos in Thompson Square - Bunker Hill and has been on the market for 50 less days than the typical home in this area.

What is the square footage on this condo?

According to the MLS, this listing is 676 sqft.

21 Harvard St 4 is a 1-bedroom, 1-bath condo for sale in Boston MA 02129. On Prevu for 3 days at $715,000. This home features 676 square feet of living space, located in Thompson Square - Bunker Hill. The median listing price for condos in this area is $799,000. Explore more condo listings in Boston.

The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. from third party sources, including sellers, lessors, landlords and public records, and were compiled by MLS Property Information Network, Inc. The property listing data and information, and the Images, are for the personal, non commercial use of consumers having a good faith interest in purchasing, leasing or renting listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing, leasing or renting. MLS Property Information Network, Inc. and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the Images, set forth herein.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.