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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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1
Beds
1
Baths
565
Sq Ft
$1,195
Price/Sq Ft
0.01
Acres
1899
Year Built
Condominium
Type
40
Days on Market
For Sale Listed Sep 15, 2026 • MLS# 73577046 Copied! • Updated Oct 22, 2026

Track this home for price, status, and open-house alerts.

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

Price & Status History

Market Insights

52.6%
Price Range
1
Previous Sales

Property Timeline

🏠
Listed for Sale
Sep 15, 2026
$675,000
Original listing
Agent: The Morgan Franklin Group Office: Coldwell Banker Realty - Boston
Previous Transaction - MLS #71107919
Full transaction history available when tracking began
🏷️
Previously Sold
Aug 30, 2010
$320,000
MLS #71107919
View 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
Features None
Electric None
Water Public
Sewer Public Sewer
Gas None
Other None
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
Down Payment Resource Eligible
Lead Paint Unknown
Seller Disclosures None
Possession None
Accepted Financing None
Structure Type ["Mid-Rise"]
Unit/Building 3N
Sq Ft Source Appraiser
Documents None
County Suffolk
Total market time (incl. prior listings) 37 days

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

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

Utilities & Systems

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:
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

3 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
M

Middle Schools

2 schools
B+
Darby Vassall Upper School
1.5 mi | #119 of 352 | Score: 47.6
Improved 25 spots from last year
-10.6 below state avg
296 students Very Diverse
Rising School Diverse Student Body
Grades 06-08
Edwards Middle
1.5 mi
H

High Schools

3 schools
C-
Edward M. Kennedy Academy for Health Careers: A Horace Mann Charter Public School - Lower Campus
0.7 mi | #305 of 346 | Score: 37.2
Improved 19 spots from last year
-21 below state avg
424 students Diverse
High Graduation Rate Career Tech Programs College Ready Curriculum
Grades 09-11
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
Commonwealth School
0.9 mi
Grades 09-12
Learn about these ratings
School data provided by BMN Schools

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

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

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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 Oct 22, 2026 11:39 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

Steve Novak Real Estate
Steve Novak Real Estate
BMN Boston Powered by SERHANT
mail@steve-novak.com
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