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90 Washington St # B, Boston MA 02129 - Preview 1 90 Washington St # B, Boston MA 02129 - Preview 2 90 Washington St # B, Boston MA 02129 - Preview 3 90 Washington St # B, Boston MA 02129 - Preview 4 90 Washington St # B, Boston MA 02129 - Preview 5 90 Washington St # B, Boston MA 02129 - Preview 6 90 Washington St # B, Boston MA 02129 - Preview 7 90 Washington St # B, Boston MA 02129 - Preview 8 90 Washington St # B, Boston MA 02129 - Preview 9
90 Washington St # B, Boston MA 02129 - Preview 1 90 Washington St # B, Boston MA 02129 - Preview 2 90 Washington St # B, Boston MA 02129 - Preview 3 90 Washington St # B, Boston MA 02129 - Preview 4 90 Washington St # B, Boston MA 02129 - Preview 5 90 Washington St # B, Boston MA 02129 - Preview 6 90 Washington St # B, Boston MA 02129 - Preview 7 90 Washington St # B, Boston MA 02129 - Preview 8 90 Washington St # B, Boston MA 02129 - Preview 9

90 Washington St # B, Boston MA 02129

Boston, MA 02129 • Charlestown
$859,000
Est. $5,785/month
2
Beds
1
Baths
1,123
Sq Ft
$765
Price/Sq Ft
1888
Year Built
Condominium
Type
16 hours 36 minutes
Time on Market
Active Open House Listed May 29, 2026 • MLS# 73526424 Copied!

About this home

Rare opportunity to own a stunning two-bedroom, one-bathroom condo in Charlestown’s highly sought-after Gas Light District. Occupying the top two floors of a classic brick rowhouse, this sun-filled home offers an open living and kitchen concept with soaring high ceilings, creating an airy and inviting space perfect for entertaining. Features include a cozy fireplace, cherry wood cabinetry, private balcony directly off the kitchen, in-unit laundry, and efficient mini-split AC systems for year-round comfort. The first floor has been newly painted, and the property also includes valuable deeded storage space. Additional updates include a roof replaced within the last five years, offering peace of mind for future ownership. Enjoy the charm of historic Charlestown with the convenience of easy street parking and close proximity to the MBTA, shops, restaurants, and everything the neighborhood has to offer. The unit and location you've been waiting for!

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Public Records

Current Owner

Owner CASSIDY ROBERT V
Mailing Address 92 WASHINGTON ST, CHARLESTOWN, MA, 02129

Land Use

Use Code 102
Description Condominium
Style Row Middle

Tax Information

Assessed Value $974,800
Tax Rate $10.29 per $1,000
Base Tax $10,031
CPA Surcharge 1% ($90)
Estimated Annual Tax $10,121

Municipal Context: BOSTON

Median Home Value $745,000
Avg SF Tax Bill $4,523
Residential Tax Rate $10.29/1000
CPA Surcharge 1%
County Suffolk

Property Data Comparison

Discrepancies found between MLS and assessor records.

Field Assessor MLS Match
Year built 1,989 1,888 ✗
Match: geocode_proximity (89.9% confidence) · Data as of Mar 8, 2026

Property Overview

Property Type
Condominium
Listing Type
For Sale
Year Built
1888
Bedrooms
2
Full Bathrooms
1
Living Area
1,123 sq ft
Total Rooms
4
Stories
2
Entry Level
3

Open House Schedule

31
May
Sunday, May 31
12:00 PM - 2:00 PM EDT

Facts & Features

Home Facts

Type Residential
Style Condominium
Year Built 1888
Living Area 1,123 sq ft
Bedrooms 2
Full Baths 1
Total Rooms 4

Interior

Heating Electric Baseboard
Cooling Ductless
Flooring Hardwood
Appliances Range, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer
Fireplace None
Fireplaces 1
Basement N
Laundry In Unit
Features None

Exterior

Construction None
Architecture None
Roof Shingle
Features Balcony
Pool None
Spa None
Fencing None
Patio/Porch None

Parking

Features On Street

Utilities

Electric None
Water Public
Sewer Public Sewer
Gas None
Other None

Financial

Annual Tax $9,259
Assessed Value $799,600

Interior Features

Flooring: Hardwood
Appliances: Range, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer
Interior Features:
Windows:
Basement: N
Laundry: In Unit
Security: Intercom

Construction & Materials

Year Built: 1888
Structure Type: Rowhouse
Exterior Materials:
Roof: Shingle
Foundation:
Stories: 2

Heating, Cooling & Utilities

Heating: Electric Baseboard
Heating Zones: 2
Cooling: Ductless
Cooling Zones: 2
Hot Water:
Water Source: Public
Sewer: Public Sewer
Energy Features:

Exterior & Lot

Exterior Features: Balcony
Patio & Porch:
Fencing:
Other Structures:
Lot Features:
Road Surface:

Parking & Garage

Parking Features: On Street

Special Features

Fireplaces: 1
Fireplace Type:
Community Amenities: Public Transportation

Location

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Neighborhood

Charlestown

90 Washington St # B, 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

10 schools
A-
Warren-Prescott K-8 School
0.3 mi | #85 of 352 | Score: 51.3
Improved 4 spots from last year
-7 below state avg
507 students Diverse
Grades PK-08
D
Horace Mann School for the Deaf Hard of Hearing
0.4 mi | #374 of 346 | Score: 33.9
Same rank as last year
73 students Diverse
Diverse Student Body
Grades PK-12
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
0.9 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
1.0 mi
Grades PK-08
Advent School
1.1 mi
Grades K-06
Park Street School
1.2 mi
Grades K-07
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
East Boston Central Catholic School
1.4 mi
Grades PK-08
The Learning Project
1.5 mi
Grades K-06
M

Middle Schools

10 schools
Middle School Academy
2.9 mi
F
Higginson/Lewis K-8 School
3.8 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
4.0 mi
Grades 05-08
A
Uncommon Schools - Roxbury Preparatory Dorchester Campus Middle School
4.3 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
4.7 mi
Mother Caroline Academy
4.7 mi
Grades 05-08
Epiphany School
5.6 mi
Grades 05-08
C
Ohrenberger School
8.8 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
0.4 mi
UP Academy
2.9 mi
H

High Schools

10 schools
D
Charlestown High School
0.5 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
Newman School
1.7 mi
Grades 07-12
C-
East Boston High School
1.7 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
C
Quincy Upper School
1.8 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
2.3 mi
9 sports • 430 athletes
Grades 07-12
A+
Boston Latin School
3.0 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
3.2 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
3.4 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
4.1 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
4.1 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
School data provided by BMN Schools

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Including down payment
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Monthly Payment Breakdown

Principal & Interest $0
Property Tax $772
Homeowners Insurance $200
HOA Fee $470/mo
PMI (if <20% down) $0

Loan Summary

Total of 360 payments $0
Total principal paid $0
Total interest paid $0

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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

16.9%
Price Range
1
Previous Sales

Property Timeline

🏠
Listed for Sale
May 29, 2026
$859,000
Original listing
Agent: Paul Richards Office: Gateway Real Estate Group, Inc.
Previous Transaction - MLS #72398525
Full transaction history available when tracking began
🏷️
Previously Sold
Nov 9, 2018
$714,000
MLS #72398525
View Listing →

Price & Status History

Date Event Price Change
May 29, 2026 New Listing Added $859,000 —
Nov 9, 2018 Sold $714,000 —

Market Statistics

Time on Market
16 hours 36 minutes
Price per Sq Ft
$765

Tax History

Year Taxes Assessment
2025 $9,259 $799,600

Financial Details

Annual Property Tax
$9,259
Tax Year 2025
HOA Fee
$470
Monthly
Assessed Value
$799,600

Listing Information

Listing Agent Paul Richards
Listing Office Gateway Real Estate Group, Inc.
Agent MLS ID CT004003
Office MLS ID NB1620
Listing Data Updated May 29, 2026 6:24 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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90 Washington St # B, Boston MA 02129 - Photo 1 90 Washington St # B, Boston MA 02129 - Photo 2 90 Washington St # B, Boston MA 02129 - Photo 3 90 Washington St # B, Boston MA 02129 - Photo 4 90 Washington St # B, Boston MA 02129 - Photo 5 90 Washington St # B, Boston MA 02129 - Photo 6 90 Washington St # B, Boston MA 02129 - Photo 7 90 Washington St # B, Boston MA 02129 - Photo 8 90 Washington St # B, Boston MA 02129 - Photo 9
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