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
Sale Pending Listed Feb 11, 2026 • MLS# 73476411 Copied! • Updated Feb 19, 2026

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

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.

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

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

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

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 On Street
Electric Circuit Breakers
Water Public
Sewer Public Sewer
Gas None
Other For Gas Range, Washer Hookup
Annual Tax $8,820
Assessed Value $1,062,400

HOA & Community

HOA Fee $365 Monthly
Fee Includes Water, Sewer, Insurance
Amenities None
Optional Fee Includes None
Owner-Occupied Units 2
Seller Disclosures Fp Has Been Virtually Enhanced. 1 Pet Per Unit. Taxes Include Residential Exemption.
Exclusions Deck Furniture & Window Treatments To Be Conveyed In The Sale.
Possession None
Accepted Financing None
Structure Type ["Rowhouse"]
Unit/Building 2
Sq Ft Source Field Card
Documents Master Deed, Rules & Regs (2)
County Suffolk
Total market time (incl. prior listings) 8 days

Property Overview

Property Type
Condominium
Listing Type
Sale Pending
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

Floor Layout

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

Parking & Garage

Parking Features: On Street

Special Features

Fireplaces: 1
Fireplace Type: Living Room
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

10 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
A
Eliot K-8 Innovation School
1.1 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
St. John Elementary School
1.2 mi
Grades PK-08
C+
Mario Umana Academy
1.3 mi | #11 of 16 | Score: 26.9
Improved 333 spots from last year
-31.3 below state avg
634 students Less Diverse
Rising School
Grades PK-08
Advent School
1.4 mi
Grades K-06
East Boston Central Catholic School
1.5 mi
Grades PK-08
D
O'Donnell Elementary School
1.5 mi | #777 of 824 | Score: 30.7
Dropped 52 spots from last year
-27.5 below state avg
256 students Less Diverse
Grades PK-06
Park Street School
1.5 mi
Grades K-07
M

Middle Schools

10 schools
Middle School Academy
3.2 mi
F
Higginson/Lewis K-8 School
4.1 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
4.3 mi
Grades 05-08
A
Uncommon Schools - Roxbury Preparatory Dorchester Campus Middle School
4.6 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
5.0 mi
Mother Caroline Academy
5.0 mi
Grades 05-08
Epiphany School
5.9 mi
Grades 05-08
C
Ohrenberger School
9.1 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
< 0.1 mi
UP Academy
3.2 mi
H

High Schools

10 schools
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
C-
East Boston High School
1.6 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
Newman School
2.0 mi
Grades 07-12
C
Quincy Upper School
2.1 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
Cathedral High School
2.6 mi
9 sports • 430 athletes
Grades 07-12
A+
Boston Latin School
3.3 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
A-
O'Bryant School of Math & Science
3.5 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
B
Dearborn STEM Academy
3.7 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
Ruth Batson Academy
4.4 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
A+
Boston Latin Academy
4.4 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
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 $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.

Location

Loading map...

Neighborhood

Charlestown

20 Sullivan St # 2, Boston MA 02129

Boston, MA 02129

Listing Information

Listing Agent The Sarkis Team
Listing Office Douglas Elliman Real Estate - The Sarkis Team
Office Phone 617-875-4950
Agent MLS ID TM328399
Office MLS ID AN8041
Listing Data Updated Feb 19, 2026 5:09 PM EST
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
Ask about this property — free, no obligation.

Similar Homes for Sale

Comparable Properties

Customize Comparable Search

Finding comparable properties...

Market Analytics for Boston, MA

Real-time market trends and pricing data for this area

Loading market insights for Boston.