21 Beacon St # 3N, Boston MA 02108
Boston, MA 02108 • Beacon Hill
$675,000
Est. $4,797/month
Estimate assumptions
20% down, a 30-year loan at 6.5%, and $200/month estimated insurance.
Includes the supplied property-tax and HOA inputs; missing inputs contribute $0. HOA fees with an unspecified frequency are treated as monthly. PMI and closing costs are excluded.
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About this home
Welcome to 21 Beacon Street #3N, a charming one-bedroom residence in The Bellevue, ideally positioned in the heart of historic Beacon Hill. Located directly across from Boston Common and beside the State House, this city home offers an unbeatable location for a full-time residence, pied-à-terre, or investment opportunity. The historic Bellevue offers an elegant marble lobby, concierge, elevator access, laundry on every floor, bike storage, and a spectacular common roof deck with panoramic views of Boston and the Charles River. Just moments from the shops and restaurants of Charles Street, the Public Garden, Downtown Boston, Back Bay, MGH, and multiple MBTA lines, #3N offers effortless city living from one of Beacon Hill’s most iconic addresses.
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Recently Sold Nearby
Property History
Property Timeline
Listed for Sale
Sep 15, 2026
$675,000
Original listing
Agent: The Morgan Franklin Group
Office: Coldwell Banker Realty - Boston
| Date | Event | Price | Change | $/sqft | Details |
|---|---|---|---|---|---|
| 09/15/2026 | 🏠 Listed for Sale | $675,000 | - | - | Original listing |
Tax History
| Year | Taxes | Assessment |
|---|---|---|
| 2026 | $7,187 | $579,600 |
Financial Details
Annual Property Tax
$7,187
Tax Year 2026
HOA Fee
$585
Monthly
Assessed Value
$579,600
Facts & Features
Home Facts
Type
Residential
Style
Condominium
Year Built
1899
Living Area
565 sq ft
Lot Size
0.01 acres
Stories
1
Bedrooms
1
Full Baths
1
Total Rooms
3
Interior
Heating
Baseboard
Cooling
Window Unit(s)
Flooring
None
Appliances
None
Fireplace
None
Basement
N
Laundry
None
Features
None
Exterior
Construction
None
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
$7,187
Assessed Value
$579,600
HOA & Community
HOA Fee
$585 Monthly
Fee Includes
Heat, Electricity, Water, Sewer, Insurance, Security
Amenities
Hot Water, Laundry, Elevator(s)
Optional Fee Includes
None
MA Disclosures
Lead Paint
Unknown
Seller Disclosures
None
Additional Details
Possession
None
Accepted Financing
None
Structure Type
["Mid-Rise"]
Unit/Building
3N
Sq Ft Source
Appraiser
Documents
None
County
Suffolk
Property Overview
Property Type
Condominium
Listing Type
For Sale
Year Built
1899
Bedrooms
1
Full Bathrooms
1
Living Area
565 sq ft
Total Rooms
3
Stories
1
Entry Level
3
Floor Layout
Interactive room guide
Floor Layout
Finished Area
565 sq ft above grade
Display Options
Room Markers
OOffice (1)
KKitchen (1)
BRBedroom (5)
BABathroom (4)
DDining (1)
LLiving (2)
Conceptual diagram based on MLS room data. It is not to scale and is not a substitute for architectural plans or on-site measurements.
Interior Features
Flooring:
Appliances:
Interior Features:
Windows:
Basement:
N
Laundry:
Security:
Construction & Materials
Year Built:
1899
Structure Type:
Mid-Rise
Exterior Materials:
Roof:
Foundation:
Stories:
1
Heating, Cooling & Utilities
Heating:
Baseboard
Cooling:
Window Unit(s)
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 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
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
|
#47 of 352
|
Score: 57.5
Improved 3 spots from last year
-0.7 below state avg
779 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: 20.4
Improved 363 spots from last year
-37.8 below state avg
80 students
Diverse
Rising School
Grades PK-12
Kingsley Montessori School
1.2 mi
Grades PK-06
F
Blackstone Elementary School
1.3 mi
|
#808 of 825
|
Score: 26.2
Improved 13 spots from last year
-32 below state avg
572 students
Moderate
Grades PK-06
C
Harvard-Kent Elementary School
1.3 mi
|
#594 of 825
|
Score: 41.1
Dropped 186 spots from last year
-17.1 below state avg
315 students
Very Diverse
Diverse Student Body
Grades PK-06
A-
Warren-Prescott K-8 School
1.4 mi
|
#86 of 352
|
Score: 50.9
Improved 3 spots from last year
-7.3 below state avg
544 students
Diverse
Strong Attendance
Grades PK-08
Middle Schools
10 schools
Middle School Academy
1.8 mi
F
Higginson/Lewis K-8 School
2.9 mi
|
#349 of 352
|
Score: 23.2
Improved 3 spots from last year
-35 below state avg
246 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: 42.5
Improved 187 spots from last year
-15.7 below state avg
1,225 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
|
#266 of 352
|
Score: 35.0
Improved 19 spots from last year
-23.2 below state avg
458 students
Diverse
Diverse Student Body
Grades 03-08
Edwards Middle
1.5 mi
UP Academy
1.8 mi
High Schools
10 schools
C
Quincy Upper School
0.7 mi
|
#279 of 346
|
Score: 44.4
Dropped 7 spots from last year
-13.8 below state avg
575 students
Very Diverse
12 sports
• 208 athletes
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
|
#319 of 346
|
Score: 32.9
Improved 52 spots from last year
-25.4 below state avg
646 students
Diverse
11 sports
• 488 athletes
Early College Program
Rising School
Grades 07-12
C-
East Boston High School
2.1 mi
|
#300 of 346
|
Score: 38.2
Improved 36 spots from last year
-20 below state avg
1,181 students
Moderate
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: 61.6
Improved 94 spots from last year
+3.4 above state avg
1,518 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: 33.4
Improved 356 spots from last year
-24.8 below state avg
565 students
Moderate
10 sports
• 242 athletes
Early College Program
Rising School
Grades 07-12
A+
Boston Latin School
2.4 mi
|
#20 of 346
|
Score: 73.7
Improved 60 spots from last year
+15.5 above state avg
2,382 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
|
#20 of 25
|
Score: 29.1
Improved 345 spots from last year
-29.1 below state avg
584 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: 64.9
Improved 214 spots from last year
+6.7 above state avg
1,669 students
Very Diverse
17 sports
• 1,298 athletes
Strong AP Program
High Graduation Rate
Rising School
Strong Athletics
Grades 07-12
Learn about these ratings
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
$599
Homeowners Insurance
$200
HOA Fee
$585/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
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
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Neighborhood
Beacon Hill
21 Beacon St # 3N, Boston MA 02108
Boston, MA 02108
Listing Information
Listing Agent
The Morgan Franklin Group
Listing Office
Coldwell Banker Realty - Boston
Office Phone
617-266-4430
Agent MLS ID
TM342783
Office MLS ID
AN6192
Listing Data Updated
Sep 15, 2026 12:00 AM 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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