Dimensions13 x 16
LevelThird
21 Branch Street, Boston MA 02108
Boston, MA 02108 • Beacon Hill
$3,495,000
Est. $21,038/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
Positioned on Beacon Hill's desirable South Slope, 21 Branch Street is a tastefully renovated single family carriage house featuring a rare private garage. With storybook views & beaming sunlight, this elegant home offers a charming private deck, 2 bedrooms plus an oversized den/ family room (or guest bdrm) & 2 bathrooms. The gracious entry foyer w/ marble floor sets the stage for this exceptional offering. The lovely formal living, dining & open concept kitchen offers an excellent layout & sun beams into the picturesque spaces where multiple exposures show surrounding architecture & gardens. The well-appointed kitchen features granite, notable appliances, eye catching light fixtures/hardware, and an inviting island. This floor is complemented by 2 fireplaces and 8 windows. The primary suite is the entire top floor w/ more incredible sunlight, a luxurious closet and bath & a front facing deck. Fabulous suite-like 2nd bed & bath w/fireplace offer complete privacy. Truly exceptional!
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Recently Sold Nearby
Property History
Market Insights
14.2%
Price Range
1
Previous Sales
Property Timeline
Pending Sale
Aug 18, 2026
Offer accepted, sale pending
Listed for Sale
May 12, 2026
$3,495,000
Original listing
Agent: Rebecca Davis Tulman and Leslie Singleton Adam
Office: Gibson Sotheby's International Realty
Previous Transaction - MLS #73395764
Full transaction history available when tracking began
Previously Sold
Oct 6, 2025
$3,000,000
MLS #73395764
| Date | Event | Price | Change | $/sqft | Details |
|---|---|---|---|---|---|
| 08/18/2026 | ⏳ Pending Sale | - | - | - | Offer accepted, sale pending |
| 05/12/2026 | 🏠 Listed for Sale | $3,495,000 | - | - | Original listing |
| 10/06/2025 | 🏷️ Previously Sold | $3,000,000 | - | - | MLS #73395764 |
Tax History
| Year | Taxes | Assessment |
|---|---|---|
| 2026 | $37,985 | $3,034,000 |
Financial Details
Annual Property Tax
$37,985
Tax Year 2026
Assessed Value
$3,034,000
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, Electric Baseboard
Cooling
Central Air, Ductless
Flooring
Wood
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
For Gas Range
Financial
Annual Tax
$37,985
Assessed Value
$3,034,000
HOA & Community
Fee Includes
None
Amenities
None
Optional Fee Includes
None
MA Disclosures
Lead Paint
Unknown
Seller Disclosures
None
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)
106 days
Property Overview
Property Type
Single Family Residence
Listing Type
Sale Pending
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:
Wood
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, Electric Baseboard
Heating Zones:
2
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: 20.4
Improved 363 spots from last year
-37.8 below state avg
80 students
Diverse
Rising School
Grades PK-12
St. John Elementary School
1.0 mi
Grades PK-08
A
Eliot K-8 Innovation School
1.0 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
F
Blackstone Elementary School
1.1 mi
|
#808 of 825
|
Score: 26.2
Improved 13 spots from last year
-32 below state avg
572 students
Moderate
Grades PK-06
C
Hurley K-8 School
1.3 mi
|
#259 of 352
|
Score: 35.7
Dropped 24 spots from last year
-22.5 below state avg
337 students
Moderate
Grades PK-08
A-
Warren-Prescott K-8 School
1.5 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
1.9 mi
F
Higginson/Lewis K-8 School
2.7 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
3.0 mi
Grades 05-08
A
Uncommon Schools - Roxbury Preparatory Dorchester Campus Middle School
3.2 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
3.5 mi
Mother Caroline Academy
3.5 mi
Grades 05-08
Epiphany School
4.4 mi
Grades 05-08
C
Ohrenberger School
7.8 mi
|
#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
1.9 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
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
|
#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
A-
O'Bryant School of Math & Science
2.1 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
A+
Boston Latin School
2.1 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
B
Dearborn STEM Academy
2.2 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
C-
East Boston High School
2.4 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+
Boston Latin Academy
2.9 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
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
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Loan Amount
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Including down payment
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Down: $0
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Monthly Payment Breakdown
Principal & Interest
$0
Property Tax
$3,165
Homeowners Insurance
$200
PMI (if <20% down)
$0
Loan Summary
Total of 360 payments
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Rate Impact
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Payment Over Time
Year 1
95% Interest
Year 15
50/50
Year 30
95% Principal
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Location
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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
Aug 26, 2026 4:16 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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