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

21 Beacon St # 4G, Boston MA 02108

Boston, MA 02108
$639,000
Est. $4,624/month
1
Beds
1
Baths
535
Sq Ft
$1,194
Price/Sq Ft
0.01
Acres
1899
Year Built
Condominium
Type
5 hours 30 minutes
Time on Market
Active Open House Listed May 27, 2026 • MLS# 73525411 Copied!

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.

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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

Open House Schedule

30
May
Saturday, May 30
12:00 PM - 2:00 PM EDT
31
May
Sunday, May 31
12:00 PM - 2:00 PM EDT

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

Parking

Features None

Utilities

Electric None
Water Public
Sewer Public Sewer
Gas None
Other None

Financial

Annual Tax $6,126
Assessed Value $529,000

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:

Location

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Neighborhood

21 Beacon St # 4G, Boston MA 02108

Boston, MA 02108

Walkability

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Nearby Schools

School District
Boston School District local
C-
🎓 Where Graduates Go Class of 2021
52% attend college
38% 4-Year 14% 2-Year 7% Out of State 7% Working
⚠ School Safety 2024-25
3.7% Above Average
3.2% Suspensions 0.3% In-School 0.5% Emergency
↓ 1.8% below state avg
E

Elementary Schools

10 schools
Advent School
0.5 mi
Grades K-06
Park Street School
0.5 mi
Grades K-07
St. John Elementary School
0.6 mi
Grades PK-08
A
Eliot K-8 Innovation School
0.7 mi | #48 of 352 | Score: 57.2
Improved 2 spots from last year
-1.1 below state avg
784 students Diverse
Strong Attendance
Grades PK-08
The Learning Project
0.8 mi
Grades K-06
D
Melvin H. King South End Academy
1.1 mi | #24 of 25 | Score: 20.2
Improved 363 spots from last year
-38.1 below state avg
125 students Diverse
Rising School Diverse Student Body
Grades PK-12
Kingsley Montessori School
1.2 mi
Grades PK-06
F
Blackstone Elementary School
1.3 mi | #809 of 824 | Score: 26.3
Improved 12 spots from last year
-31.9 below state avg
582 students Moderate
Grades PK-06
C
Harvard-Kent Elementary School
1.3 mi | #589 of 824 | Score: 41.5
Dropped 181 spots from last year
-16.7 below state avg
334 students Very Diverse
Diverse Student Body
Grades PK-06
A-
Warren-Prescott K-8 School
1.4 mi | #85 of 352 | Score: 51.3
Improved 4 spots from last year
-7 below state avg
507 students Diverse
Grades PK-08
M

Middle Schools

10 schools
Middle School Academy
1.8 mi
F
Higginson/Lewis K-8 School
2.9 mi | #349 of 352 | Score: 23.6
Improved 3 spots from last year
-34.6 below state avg
213 students Diverse
Grades 03-08
Nativity Prep School
3.2 mi
Grades 05-08
A
Uncommon Schools - Roxbury Preparatory Dorchester Campus Middle School
3.3 mi | #4 of 16 | Score: 41.9
Improved 187 spots from last year
-16.3 below state avg
1,126 students Diverse
Rising School College Ready Curriculum
Grades 05-08
Dearborn Middle School
3.6 mi
Mother Caroline Academy
3.7 mi
Grades 05-08
Epiphany School
4.5 mi
Grades 05-08
C
Ohrenberger School
8.0 mi | #265 of 352 | Score: 34.9
Improved 20 spots from last year
-23.3 below state avg
477 students Diverse
Rising School Diverse Student Body
Grades 03-08
Edwards Middle
1.5 mi
UP Academy
1.8 mi
H

High Schools

10 schools
C
Quincy Upper School
0.7 mi | #268 of 346 | Score: 44.6
Improved 4 spots from last year
-13.6 below state avg
557 students Very Diverse
12 sports • 208 athletes
High Graduation Rate Diverse Student Body
Grades 06-12
Newman School
1.1 mi
Grades 07-12
Cathedral High School
1.2 mi
9 sports • 430 athletes
Grades 07-12
D
Charlestown High School
1.5 mi | #322 of 346 | Score: 31.0
Improved 49 spots from last year
-27.2 below state avg
754 students Diverse
11 sports • 488 athletes
Early College Program Rising School
Grades 07-12
C-
East Boston High School
2.1 mi | #305 of 346 | Score: 37.3
Improved 31 spots from last year
-20.9 below state avg
1,252 students Less Diverse
14 sports • 584 athletes
Early College Program Rising School
Grades 07-12
A-
O'Bryant School of Math & Science
2.3 mi | #90 of 346 | Score: 61.1
Improved 94 spots from last year
+2.9 above state avg
1,509 students Very Diverse
High Graduation Rate Rising School College Ready Curriculum Diverse Student Body
Grades 07-12
B
Dearborn STEM Academy
2.4 mi | #13 of 25 | Score: 31.7
Improved 356 spots from last year
-26.6 below state avg
565 students Diverse
10 sports • 242 athletes
Early College Program Rising School
Grades 07-12
A+
Boston Latin School
2.4 mi | #19 of 346 | Score: 73.3
Improved 61 spots from last year
+15.1 above state avg
2,424 students Very Diverse
18 sports • 2,006 athletes
Strong AP Program High Graduation Rate Rising School Strong Athletics
Grades 07-12
C
Ruth Batson Academy
3.0 mi | #19 of 25 | Score: 27.6
Improved 346 spots from last year
-30.6 below state avg
604 students Diverse
8 sports • 128 athletes
Early College Program Rising School
Grades 07-12
A+
Boston Latin Academy
3.1 mi | #2 of 25 | Score: 63.9
Improved 214 spots from last year
+5.7 above state avg
1,693 students Very Diverse
17 sports • 1,298 athletes
High Graduation Rate Rising School Strong Athletics Diverse Student Body
Grades 07-12
Learn about these ratings
School data provided by BMN Schools

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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

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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.

Property History

Property Timeline

🏠
Listed for Sale
May 27, 2026
$639,000
Original listing
Agent: Park Hou Group Office: Splice Realty

Price & Status History

Date Event Price Change
May 27, 2026 New Listing Added $639,000 —

Market Statistics

Time on Market
5 hours 30 minutes
Price per Sq Ft
$1,194

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

Listing Information

Listing Agent Park Hou Group
Listing Office Splice Realty
Agent MLS ID TM339027
Office MLS ID AN5975
Listing Data Updated May 27, 2026 7:30 PM EDT
Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.

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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
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