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20 Sullivan St # 2, Boston MA 02129

Boston, MA 02129 • Charlestown
$1,150,000
Est. $7,115/month
2
Beds
1.5
Baths
1,336
Sq Ft
$861
Price/Sq Ft
1875
Year Built
7
Days on Market
Pending Listed Feb 11, 2026 • MLS# 73476411 Copied!

About this home

SUNDAY OPEN HOUSE CANCELED. Charming penthouse duplex just steps from Main Street is everything & more! Welcome to 20 Sullivan St #2, a sun splashed, updated 2 bedroom, 1.5 bath residence set on a quiet one way street. This spacious & flexible layout is perfect for day to day living & entertaining. The main level features an open kitchen and dining area appointed with white cabinetry, granite countertops, stainless steel appliances, and a peninsula well-suited for everyday meals or casual entertaining. A private deck just off the dining area provides a natural extension of the living space—perfect for outdoor dining or unwinding at home. The adjacent living room is warm and inviting, centered around a fireplace with built ins and drenched in natural light. Upstairs, find two spacious bedrooms, including a gracious primary bedroom with a walk in closet. A full bath and laundry room complete this floor. Unbeatable location at an unbelievable price.

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Property Overview

Property Type
Condominium
Listing Type
For Sale
Year Built
1875
Bedrooms
2
Full Bathrooms
1
Half Bathrooms
1
Living Area
1,336 sq ft
Total Rooms
6
Stories
2
Entry Level
2

Facts & Features

Central AC

Home Facts

Type Residential
Style Condominium
Year Built 1875
Living Area 1,336 sq ft
Bedrooms 2
Full Baths 1
Half Baths 1
Total Rooms 6

Interior

Heating Forced Air
Cooling Central Air
Flooring Tile, Hardwood
Appliances Range, Dishwasher, Microwave, Refrigerator, Washer, Dryer
Fireplace Living Room
Fireplaces 1
Basement N
Laundry Fourth Floor, In Unit, Washer Hookup
Features Internet Available - Unknown

Exterior

Construction Brick, Stone
Architecture None
Roof Rubber
Features Deck - Wood
Pool None
Spa None
Fencing None
Patio/Porch Deck - Wood

Parking

Features On Street

Utilities

Electric Circuit Breakers
Water Public
Sewer Public Sewer
Gas None
Other For Gas Range, Washer Hookup

Financial

Annual Tax $8,820
Assessed Value $1,062,400

Interior Features

Flooring: Tile, Hardwood
Appliances: Range, Dishwasher, Microwave, Refrigerator, Washer, Dryer
Interior Features: Internet Available - Unknown
Windows: Insulated Windows
Basement: N
Laundry: Fourth Floor, In Unit, Washer Hookup
Security: Intercom

Construction & Materials

Year Built: 1875
Effective Year (Renovated): 2004
Structure Type: Rowhouse
Exterior Materials: Brick, Stone
Roof: Rubber
Foundation:
Stories: 2

Heating, Cooling & Utilities

Heating: Forced Air
Heating Zones: 1
Cooling: Central Air
Cooling Zones: 1
Hot Water:
Water Source: Public
Sewer: Public Sewer
Energy Features: Thermostat

Exterior & Lot

Exterior Features: Deck - Wood
Patio & Porch: Deck - Wood
Fencing:
Other Structures:
Lot Features:
Road Surface:

Parking & Garage

Parking Features: On Street

Special Features

Fireplaces: 1
Fireplace Type: Living Room
Community Amenities: Public Transportation, Shopping, Park, Public School, T-Station

Location

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Neighborhood

Charlestown

20 Sullivan St # 2, Boston MA 02129

Boston, MA 02129

Walkability

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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
E

Elementary Schools

3 schools
D
Horace Mann School for the Deaf Hard of Hearing
< 0.1 mi | #374 of 346 | Score: 33.9
Same rank as last year
73 students Diverse
Diverse Student Body
Grades PK-12
A-
Warren-Prescott K-8 School
0.1 mi | #85 of 352 | Score: 51.3
Improved 4 spots from last year
-7 below state avg
507 students Diverse
Grades PK-08
C
Harvard-Kent Elementary School
0.5 mi | #589 of 824 | Score: 41.5
Dropped 181 spots from last year
-16.7 below state avg
334 students Very Diverse
Diverse Student Body
Grades PK-06
M

Middle Schools

3 schools
Edwards Middle
< 0.1 mi
B+
Darby Vassall Upper School
1.2 mi | #118 of 352 | Score: 47.5
Improved 26 spots from last year
-10.7 below state avg
298 students Very Diverse
Rising School Diverse Student Body
Grades 06-08
C+
Cambridge Street Upper School
1.3 mi | #214 of 352 | Score: 39.8
Dropped 26 spots from last year
-18.4 below state avg
301 students Very Diverse
Diverse Student Body
Grades 06-08
H

High Schools

3 schools
Charlestown High
0.3 mi
D
Charlestown High School
0.3 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
B-
Community Charter School of Cambridge
1.2 mi | #178 of 346 | Score: 53.1
Dropped 57 spots from last year
-5.2 below state avg
251 students Diverse
7 sports • 202 athletes
High Graduation Rate College Ready Curriculum
Grades 06-12
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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 $735
Homeowners Insurance $200
HOA Fee $365/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.

Property History

Market Insights

Property Timeline

📝
Contingency Update
Feb 18, 2026
Pending P&S
📋
Status: Active under contract
Feb 14, 2026
Active → Active Under Contract
Pending Sale
Feb 13, 2026
Offer accepted, sale pending
🏠
Listed for Sale
Feb 11, 2026
$1,150,000
Original listing
Agent: The Sarkis Team Office: Douglas Elliman Real Estate - The Sarkis Team

Price & Status History

Date Event Price Change
Feb 14, 2026 Status: Active under contract $0
Feb 11, 2026 New Listing Added $1,150,000

Market Statistics

Days on Market
7 days
Price per Sq Ft
$861

Tax History

Year Taxes Assessment
2026 $8,820 $1,062,400

Financial Details

Annual Property Tax
$8,820
Tax Year 2026
HOA Fee
$365
Monthly
Assessed Value
$1,062,400

Listing Information

Listing Agent The Sarkis Team
Listing Office Douglas Elliman Real Estate - The Sarkis Team
Agent MLS ID TM328399
Office MLS ID AN8041
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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Market Analytics for Boston, MA

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