FeaturesYes
21-23 Marlborough Street # 4, Boston MA 02116
Boston, MA 02116 • Back Bay
$6,499,000
Est. $39,298/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
Experience refined city living in this beautifully appointed penthouse, ideally situated on the coveted first block of Marlborough Street. This gracious 2-bedroom, 2.5-bath residence showcases classic Boston elegance with beautiful hardwood floors, high ceilings with intricate molding a fireplace, abundant natural light and direct elevator access. The generous living area flows into a bright dining space with direct access to a large private roof deck. This exceptional outdoor space provides the perfect setting for dining, entertaining, or relaxing. The spacious primary suite features bay windows overlooking Marlborough Street, a large dressing room and a well- appointed en suite bath. The second bedroom offers its own full bath and direct access to the private roof deck. This residence is ideally located just moments from the Public Garden, Charles River Esplanade and all that Back Bay has to offer. Elevator access to two garage parking spaces complete this exceptional offering.
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Recently Sold Nearby
Property History
Property Timeline
Listed for Sale
Oct 7, 2026
$6,499,000
Original listing
Agent: Tracy Campion
Office: Campion & Company Fine Homes Real Estate
| Date | Event | Price | Change | $/sqft | Details |
|---|---|---|---|---|---|
| 10/07/2026 | 🏠 Listed for Sale | $6,499,000 | - | - | Original listing |
Tax History
| Year | Taxes | Assessment |
|---|---|---|
| 2026 | $44,222 | $3,883,200 |
Financial Details
Annual Property Tax
$44,222
Tax Year 2026
HOA Fee
$2,550
Monthly
Assessed Value
$3,883,200
Facts & Features
2 Car Garage
Central AC
Home Facts
Type
Residential
Style
Condominium
Year Built
1866
Living Area
2,722 sq ft
Stories
1
Bedrooms
2
Full Baths
2
Half Baths
1
Total Rooms
8
Interior
Heating
Central
Cooling
Central Air
Flooring
None
Appliances
None
Fireplace
None
Fireplaces
2
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
Garage Spaces
2
Has Garage
Yes
Features
Attached
Total Spaces
2
Utilities
Electric
None
Water
Public
Sewer
Public Sewer
Gas
None
Other
None
Financial
Annual Tax
$44,222
Assessed Value
$3,883,200
HOA & Community
HOA Fee
$2,550 Monthly
Fee Includes
Water, Sewer, Insurance, Maintenance Structure, Maintenance Grounds, Snow Removal
Amenities
Elevator(s)
Optional Fee Includes
None
MA Disclosures
Lead Paint
Unknown
Seller Disclosures
None
Additional Details
Possession
None
Accepted Financing
None
Structure Type
["Brownstone"]
Unit/Building
4
Sq Ft Source
Public Record
Documents
None
County
Suffolk
Property Overview
Property Type
Condominium
Listing Type
For Sale
Year Built
1866
Bedrooms
2
Full Bathrooms
2
Half Bathrooms
1
Living Area
2,722 sq ft
Total Rooms
8
Stories
1
Entry Level
4
Floor Layout
Interactive room guide
Floor Layout
Finished Area
2,722 sq ft above grade
Display Options
Room Markers
BABathroom (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:
Interior Features:
Windows:
Basement:
N
Laundry:
Security:
Construction & Materials
Year Built:
1866
Structure Type:
Brownstone
Exterior Materials:
Roof:
Foundation:
Stories:
1
Heating, Cooling & Utilities
Heating:
Central
Cooling:
Central Air
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
Garage Spaces:
2
Garage Type:
Attached
Total Parking Spaces:
2
Parking Features:
Attached
Special Features
Fireplaces:
2
Fireplace Type:
Community Amenities:
Public Transportation, Shopping, Tennis Court(s), Park, Walk/Jog Trails, Medical Facility, Laundromat, Bike Path, Highway Access, House of Worship, Private School, Public School, T-Station, University
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
3 schools
Park Street School
0.2 mi
Grades K-07
The Learning Project
0.2 mi
Grades K-06
Advent School
0.3 mi
Grades K-06
Middle Schools
1 school
B+
Darby Vassall Upper School
1.2 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
High Schools
3 schools
Commonwealth School
0.3 mi
Grades 09-12
Snowden International
0.4 mi
C-
Snowden International High School
0.4 mi
|
#301 of 346
|
Score: 38.1
Improved 55 spots from last year
-20.1 below state avg
435 students
Diverse
7 sports
• 78 athletes
Rising School
Diverse Student Body
Grades 09-12
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
$3,685
Homeowners Insurance
$200
HOA Fee
$2,550/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
Back Bay
21-23 Marlborough Street # 4, Boston MA 02116
Boston, MA 02116
Listing Information
Listing Agent
Tracy Campion
Listing Office
Campion & Company Fine Homes Real Estate
Office Phone
617-236-0711
Agent MLS ID
BB904054
Office MLS ID
BB5984
Listing Data Updated
Oct 7, 2026 9:20 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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