Dimensions13 x 16
LevelThird
21 Branch Street, Boston MA 02108
Boston, MA 02108 • Beacon Hill
$3,000,000
Track this home for price, status, and open-house alerts.
Sale Statistics
Sale Overview
Original List Price:
$3,295,000
Final Sale Price:
$3,000,000
Difference:
$295,000 (-9.0%)
Performance Metrics
91.0%
List to Sale Ratio
Sold below asking price
93
Days on Market
Extended listing
Price per Square Foot Analysis
Original $/sq ft:
$1,799
Sale $/sq ft:
$1,638
This property sold for $1,638 per square foot
Sale Summary
This property sold for 9.0% below the original asking price.
At 93 days on market, this property took longer than average to sell.
Nearby Sales Comparison
Based on 10 similar properties sold within 0.5 miles in the last 90 days
This Property
$1,638/sq ft
Area Median
$1,374/sq ft
Difference
+19.2%
This property sold for significantly more per square foot than similar nearby properties, suggesting premium features or condition.
About this home
A one-of-a-kind property at an A+ Beacon Hill South Slope location, 21 Branch Street exudes charm and elegance, and offers all the conveniences of easy city living. Surrounded by picturesque architecture, this single family carriage house w/ a rare *private garage,* 2+ bedrooms, 2 baths and deck ticks every box! The open living, dining and kitchen are welcoming, bright and airy w/ windows on 3 sides allowing for incredible sunlight and delightful views. The tastefully renovated kitchen features an island, counter seating, notable appliances, stone counters and a pantry. A nicely proportioned cozy family room/den w/ new gas fireplace, can double as a guest bedroom. The primary suite is on the upper floor and offers complete privacy, a beautifully outfitted walk-in closet and sunny bath. A lovely deck is accessible through the hall, or from the primary bedroom. The entry level has the private 2nd bedroom w/ fireplace and bath, laundry and the garage which also features excellent storage.
View in the App
Save this property, schedule tours instantly, and get alerts when the price drops
Scan with phone
Public Records & Permits
Log in to view assessor & tax records, ownership history, and recent building permits for this property.
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
14.2%
Price Range
95
Total Days on Market
Property Timeline
Current Active Listing - MLS #73514647
Full transaction history available when tracking began
Currently Listed
May 12, 2026
$3,495,000
MLS #73514647 - Active
Sold
Oct 6, 2025
$3,000,000
Property sold
Days on Market: 95
Listed for Sale
Jun 24, 2025
$3,100,000
Original listing
Agent: Rebecca Davis Tulman and Leslie Singleton Adam
Office: Gibson Sotheby's International Realty
| Date | Event | Price | Change | $/sqft | Details |
|---|---|---|---|---|---|
| 05/12/2026 | 🏡 Currently Listed | $3,495,000 | - | - | MLS #73514647 - Active |
| 10/06/2025 | ✓ Sold | $3,000,000 | - | - | Property sold |
| 06/24/2025 | 🏠 Listed for Sale | $3,100,000 | - | - | Original listing |
Tax History
| Year | Taxes | Assessment |
|---|---|---|
| 2025 | $34,447 | $2,946,200 |
Financial Details
Annual Property Tax
$34,447
Tax Year 2025
Assessed Value
$2,946,200
Facts & Features
1 Car Garage
Central AC
Home Facts
Type
Residential
Style
Single Family Residence
Year Built
1899
Living Area
1,832 sq ft
Lot Size
0.02 acres
Bedrooms
2
Full Baths
2
Total Rooms
6
Interior
Heating
Forced Air
Cooling
Central Air, Ductless
Flooring
None
Appliances
Range, Dishwasher, Disposal, Refrigerator, Freezer, Washer, Dryer
Fireplace
None
Fireplaces
3
Basement
None
Laundry
None
Features
None
Exterior
Construction
Brick, See Remarks
Architecture
Carriage House, Other (see Remarks)
Roof
Rubber, Other
Features
Balcony / Deck, Deck - Roof
Pool
None
Spa
None
Fencing
None
Patio/Porch
Deck - Roof
Parking
Garage Spaces
1
Has Garage
Yes
Features
Attached
Total Spaces
1
Utilities
Electric
None
Water
Public
Sewer
Public Sewer
Gas
None
Other
None
Financial
Annual Tax
$34,447
Assessed Value
$2,946,200
HOA & Community
Fee Includes
None
Amenities
None
Optional Fee Includes
None
MA Disclosures
Seller Disclosures
New Fireplace Insert In Family Room, Chimney Rebuilt; New Miele Washer/dryer; New Liebherr Fridge; Newer 2nd Floor Heating/cooling 2023. Windows W/ Some Clouding. See Attached Easements.
Additional Details
Possession
None
Accepted Financing
None
Structure Type
[]
Sq Ft Source
Public Record
Sq Ft Disclosures
Single family home with three living levels and private garage.
Documents
None
County
Suffolk
Total market time (incl. prior listings)
95 days
Property Overview
Property Type
Single Family Residence
Listing Type
Sold
Year Built
1899
Bedrooms
2
Full Bathrooms
2
Living Area
1,832 sq ft
Total Rooms
6
Floor Layout
Interactive room guide
Floor Layout
Finished Area
1,832 sq ft above grade
Dimensions14 x 9
LevelSecond
Dimensions9 x 14
LevelSecond
Dimensions12 x 13
LevelSecond
Dimensions18 x 12
LevelSecond
Dimensions15 x 14
LevelFirst
FeaturesYes
Display Options
Outdoor Areas
Patio & porchDeck - Roof
Room Markers
BABathroom (4)
BRBedroom (5)
DDining (1)
KKitchen (1)
LLiving (2)
OOffice (1)
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:
Range, Dishwasher, Disposal, Refrigerator, Freezer, Washer, Dryer
Interior Features:
Windows:
Basement:
Laundry:
Security:
Construction & Materials
Style:
Carriage House, Other (See Remarks)
Year Built:
1899
Structure Type:
Exterior Materials:
Brick, See Remarks
Roof:
Rubber, Other
Foundation:
Other
Heating, Cooling & Utilities
Heating:
Forced Air
Heating Zones:
1
Cooling:
Central Air, Ductless
Cooling Zones:
2
Hot Water:
Water Source:
Public
Sewer:
Public Sewer
Energy Features:
Exterior & Lot
Exterior Features:
Balcony / Deck, Deck - Roof
Patio & Porch:
Deck - Roof
Fencing:
Other Structures:
Lot Features:
Gentle Sloping, Other
Road Surface:
Parking & Garage
Garage Spaces:
1
Garage Type:
Attached
Total Parking Spaces:
1
Parking Features:
Attached
Special Features
Fireplaces:
3
Fireplace Type:
Community Amenities:
Public Transportation, Tennis Court(s), Park, Walk/Jog Trails, Medical Facility, Bike Path, Highway Access, T-Station, Other
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
Park Street School
0.2 mi
Grades K-07
Advent School
0.2 mi
Grades K-06
The Learning Project
0.5 mi
Grades K-06
Kingsley Montessori School
0.8 mi
Grades PK-06
D
Melvin H. King South End Academy
0.9 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
St. John Elementary School
1.0 mi
Grades PK-08
A
Eliot K-8 Innovation School
1.0 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
F
Blackstone Elementary School
1.1 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
Hurley K-8 School
1.3 mi
|
#258 of 352
|
Score: 35.8
Dropped 23 spots from last year
-22.4 below state avg
335 students
Moderate
Grades PK-08
A-
Warren-Prescott K-8 School
1.5 mi
|
#85 of 352
|
Score: 51.3
Improved 4 spots from last year
-7 below state avg
507 students
Diverse
Grades PK-08
Middle Schools
10 schools
Middle School Academy
1.9 mi
F
Higginson/Lewis K-8 School
2.7 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
3.0 mi
Grades 05-08
A
Uncommon Schools - Roxbury Preparatory Dorchester Campus Middle School
3.2 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
3.5 mi
Mother Caroline Academy
3.5 mi
Grades 05-08
Epiphany School
4.4 mi
Grades 05-08
C
Ohrenberger School
7.8 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
1.9 mi
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
0.8 mi
Grades 07-12
Cathedral High School
1.1 mi
9 sports
• 430 athletes
Grades 07-12
D
Charlestown High School
1.7 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
A-
O'Bryant School of Math & Science
2.1 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
A+
Boston Latin School
2.1 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
B
Dearborn STEM Academy
2.2 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
C-
East Boston High School
2.4 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+
Boston Latin Academy
2.9 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
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
Learn about these ratings
Location
Loading map...
Neighborhood
Beacon Hill
21 Branch Street, Boston MA 02108
Boston, MA 02108
Listing Information
Listing Agent
Rebecca Davis Tulman and Leslie Singleton Adam
Listing Office
Gibson Sotheby's International Realty
Office Phone
857-310-5632
Agent MLS ID
TM348767
Office MLS ID
AN7429
Listing Data Updated
Oct 6, 2025 10:01 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
Ask about this property — free, no obligation.
Similar Homes for Sale
Comparable Properties
Customize Comparable Search
Finding comparable properties...
Loading market insights for Boston.