BMN Boston

Get our mobile app!

Download on the App Store

21 Beacon St # 4G, Boston MA 02108

Boston, MA 02108
$639,000
$599,000
Est. $4,421/month
1
Beds
1
Baths
535
Sq Ft
$1,120
Price/Sq Ft
0.01
Acres
1899
Year Built
39
Days on Market
Active Price Drop -$40,000 Listed May 27, 2026 • MLS# 73525411 Copied! • Updated Jun 14, 2026

About this home

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.

View in the App

Save this property, schedule tours instantly, and get alerts when the price drops

Scan to download BMN Boston app Scan with phone
Get the full experience in the BMN Boston app

BMN Estimate

Get the number an algorithm can't give you

A free agent CMA factors in condition, upgrades, and the street — the things comps alone can't see.

Recently Sold Nearby

Property History

Market Insights

1
Price Changes
6.3%
Price Range

Property Timeline

Price Reduced
Jun 10, 2026
$599,000 $40,000 (-6.26%)
From $639,000 to $599,000 (-6.3%)
🏠
Listed for Sale
May 27, 2026
$639,000
Original listing
Agent: Park Hou Group Office: Splice Realty

Tax History

Year Taxes Assessment
2025 $6,126 $529,000

Financial Details

Annual Property Tax
$6,126
Tax Year 2025
HOA Fee
$682
Monthly
Assessed Value
$529,000

Facts & Features

Home Facts

Type Residential
Style Condominium
Year Built 1899
Living Area 535 sq ft
Lot Size 0.01 acres
Bedrooms 1
Full Baths 1
Total Rooms 2

Interior

Heating Baseboard
Cooling Window Unit(s)
Flooring Tile, Parquet
Appliances Range, Dishwasher, Refrigerator
Fireplace None
Basement Y
Laundry In Building
Features None

Exterior

Construction Stone
Architecture None
Roof None
Features None
Pool None
Spa None
Fencing None
Patio/Porch None
Features None
Electric None
Water Public
Sewer Public Sewer
Gas None
Other None
Annual Tax $6,126
Assessed Value $529,000

HOA & Community

HOA Fee $682 Monthly
Fee Includes Heat, Electricity, Water, Sewer, Insurance, Security, Maintenance Structure, Maintenance Grounds, Snow Removal, Trash, Reserve Funds
Amenities Hot Water, Laundry, Elevator(s)
Optional Fee Includes None
Owner-Occupied Units 64
Down Payment Resource Eligible
Pets Yes w/ Restrictions
Seller Disclosures Tenants Lease Is In Place Until 8/31/2026, Rent Is $2, 700.
Possession None
Accepted Financing None
Structure Type ["Mid-Rise"]
Unit/Building 4G
Sq Ft Source Master Deed
Sq Ft Disclosures Measurements are approximate & to be verified by buyer/buyers agent.
Documents Master Deed, Unit Deed, Rules & Regs, Floor Plans, Association Financial Statements, Other (see Remarks)
County Suffolk
Total market time (incl. prior listings) 18 days

Property Overview

Property Type
Condominium
Listing Type
For Sale
Year Built
1899
Bedrooms
1
Full Bathrooms
1
Living Area
535 sq ft
Total Rooms
2
Stories
1
Entry Level
4

Room Details

Other Floor

Bathroom1
Bedroom5
Bedroom4
Bedroom3
Dining Room
Kitchen
Bathroom2
Bedroom2
Living Room
Bathroom3
Master Bedroom
Office
Family Room
Master Bathroom

Interior Features

Flooring: Tile, Parquet
Appliances: Range, Dishwasher, Refrigerator
Interior Features:
Windows:
Basement: Y
Laundry: In Building
Security: Concierge

Construction & Materials

Year Built: 1899
Structure Type: Mid-Rise
Exterior Materials: Stone
Roof:
Foundation:
Stories: 1

Heating, Cooling & Utilities

Heating: Baseboard
Heating Zones: 1
Cooling: Window Unit(s)
Cooling Zones: 1
Hot Water:
Water Source: Public
Sewer: Public Sewer
Energy Features:

Exterior & Lot

Exterior Features:
Patio & Porch:
Fencing:
Other Structures:
Lot Features:
Road Surface:

Parking & Garage

Parking Features:

Nearby Schools

School information not available for this location.

Monthly Payment Calculator

Monthly Payment
$0
Principal, interest, taxes & insurance
Loan Amount
$0
After down payment
Total Interest
$0
Over life of loan
Total Cost
$0
Including down payment
%
Down: $0
%

Monthly Payment Breakdown

Principal & Interest $0
Property Tax $511
Homeowners Insurance $200
HOA Fee $682/mo
PMI (if <20% down) $0

Loan Summary

Total of 360 payments $0
Total principal paid $0
Total interest paid $0

Rate Impact

-0.5% Rate
$0/mo
Save $0/mo
Current Rate
$0/mo
+0.5% Rate
$0/mo
Cost $0/mo

Payment Over Time

Interest
Principal
Year 1
95% Interest
Year 15
50/50
Year 30
95% Principal
* Estimates only. Actual payments may vary. Consult with a lender for accurate figures.

Location

Loading map...

Neighborhood

21 Beacon St # 4G, Boston MA 02108

Boston, MA 02108

Listing Information

Listing Agent Park Hou Group
Listing Office Splice Realty
Office Phone 617-682-9802
Agent MLS ID TM339027
Office MLS ID AN5975
Listing Data Updated Jun 14, 2026 4:05 AM EDT
Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.

Contact Us

BMN Boston Real Estate
BMN Boston Real Estate
Douglas Elliman
Ask about this property — free, no obligation.

Similar Homes for Sale

Comparable Properties

Customize Comparable Search

Finding comparable properties...

Market Analytics for Boston, MA

Real-time market trends and pricing data for this area

21 Beacon St # 4G, Boston MA 02108 - Photo 1 21 Beacon St # 4G, Boston MA 02108 - Photo 2 21 Beacon St # 4G, Boston MA 02108 - Photo 3 21 Beacon St # 4G, Boston MA 02108 - Photo 4 21 Beacon St # 4G, Boston MA 02108 - Photo 5 21 Beacon St # 4G, Boston MA 02108 - Photo 6 21 Beacon St # 4G, Boston MA 02108 - Photo 7 21 Beacon St # 4G, Boston MA 02108 - Photo 8 21 Beacon St # 4G, Boston MA 02108 - Photo 9 21 Beacon St # 4G, Boston MA 02108 - Photo 10 21 Beacon St # 4G, Boston MA 02108 - Photo 11 21 Beacon St # 4G, Boston MA 02108 - Photo 12 21 Beacon St # 4G, Boston MA 02108 - Photo 13 21 Beacon St # 4G, Boston MA 02108 - Photo 14 21 Beacon St # 4G, Boston MA 02108 - Photo 15 21 Beacon St # 4G, Boston MA 02108 - Photo 16 21 Beacon St # 4G, Boston MA 02108 - Photo 17 21 Beacon St # 4G, Boston MA 02108 - Photo 18 21 Beacon St # 4G, Boston MA 02108 - Photo 19 21 Beacon St # 4G, Boston MA 02108 - Photo 20 21 Beacon St # 4G, Boston MA 02108 - Photo 21
BMN Boston Real Estate

BMN Boston Real Estate

Douglas Elliman

Your message will be sent to BMN Boston Real Estate.

Schedule a Tour