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21 Beacon St 4GBoston, MA 02108

For Sale

$599,000

Smart Buyer Rebate - Ask

Sitting above the historic streets of Beacon Hill, Unit 4G at 21 Beacon Street offers city living at its finest. Sunlight fills the space through tall windows, creating a warm and inviting atmosphere. The building’s concierge service, elevator, and laundry on every floor add convenience, while the spectacular roof deck with panoramic views of the skyline and the Charles, provides a daily reminder of why Beacon Hill is one of Boston’s most beloved neighborhoods. Moments from the Common, Financial District, and the MBTA Red and Green Lines, this home is ideal for anyone seeking charm, convenience, and classic Boston character. Heat, Hot Water, Electric, Water, Sewer, Master Insurance, Security, Laundry Facilities, Elevator, Exterior Maintenance, Landscaping, Snow Removal, Management Fee covered by your condo fee.

Listed by Alison Sherry

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Splice Realty

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617-816-7662

Listed by Park Hou Group

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Splice Realty

Last updated June 14, 2026

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Source: MLSPin #73525411

Listing Facts

  • TypeCondo
  • NeighborhoodDowntown Boston
  • Bedrooms1
  • Bathrooms1
  • Days on Prevu19
  • HOA/Maint. Fees$682/month
  • Taxes$6,126/year
  • Size535 sqft
  • Price per sqft$1,120

Amenities

  • Dishwasher
  • Pets Allowed
  • Parking

Location

Mortgage Calculator

Listing History

06/10/2026
Price Decreased
$599,000
05/27/2026
Listed by Splice Realty
$639,000

Property Details for 21 Beacon St 4G

Association

Amenities

  • Association Amenities: Hot Water, Laundry, Elevator(s)
  • Community Features: Public Transportation, Shopping, Park, Walk/Jog Trails, Medical Facility, Bike Path, Highway Access, House Of Worship, Private School, Public School, T-Station, University
  • Pets Allowed: Yes w/ Restrictions

Fees

  • Association Fee: $682.00 Monthly
  • Association Fee Includes: Heat, Electricity, Water, Sewer, Insurance, Security, Maintenance Structure, Maintenance Grounds, Snow Removal, Trash, Reserve Funds

Exterior

Construction

  • Number Of Units Total: 163
  • Property Attached: Yes
  • Stories: 1
  • Stories Total: 1
  • Structure Type: Mid-Rise
  • Year Built: 1899
  • Year Built Details: Actual
  • Building Name: Twenty-One Beacon Condominium
  • Common Walls: 2+ Common Walls
  • Construction Materials: Stone
  • Entry Level: 4

Measurements

  • Building Area Total: 535
  • Building Area Units: Square Feet
  • Lot Size Acres: 0.01
  • Lot Size Area: 0
  • Lot Size Square Feet: 535
  • Lot Size Units: Acres

Financial

Taxes

  • Parcel Number: W:03 P:02807 S:080,3364876
  • Tax Annual Amount: $6,126.00
  • Tax Assessed Value: $529,000.00
  • Tax Year: 2025

Interior

Features

  • Appliances: Range, Dishwasher, Refrigerator
  • Flooring: Tile, Parquet

Measurements

  • Living Area: 535
  • Living Area Source: Master Deed

Rooms

  • Basement: Y
  • Bathrooms Full: 1
  • Bathrooms Total Integer: 1
  • Bedrooms Total: 1
  • Rooms Total: 2

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 Beacon St 4G.

Are pets allowed at 21 Beacon St?

Yes, 21 Beacon St allows pets. Check the Property Details for any relevant restrictions.

What are the annual taxes for 21 Beacon St 4G?

Annual taxes for this condo are estimated at $6,126.

How does 21 Beacon St 4G compare to other condos in Downtown Boston?

This condo is listed 79% below the average price for condos in Downtown Boston and has been on the market for 64 less days than the typical home in this area.

What building or home owners association is the condo part of?

This condo is in the Twenty-One Beacon Condominium building.

What is the square footage on this condo?

According to the MLS, this listing is 535 sqft.

21 Beacon St 4G is a 1-bedroom, 1-bath condo for sale in Boston MA 02108. On Prevu for 19 days at $599,000. This includes a recent price decrease of $40,000. This residence features 535 square feet of living space, located in Downtown Boston. The median listing price for condos in this area is $1,895,000. The home offers dishwasher, pets allowed, and parking. 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.