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421 Main St # 3, Boston MA 02129

Boston, MA 02129 • Charlestown
$844,000
Est. $5,366/month
2
Beds
1.5
Baths
900
Sq Ft
$938
Price/Sq Ft
1899
Year Built
Condominium
Type
6
Days on Market
Closed Listed Apr 29, 2025 • MLS# 73365950 Copied!

About this home

Amazing Penthouse 2 bed/1.5 bath with balcony and roofdeck! This floor-through Brownstone condo provides an open floorplan, in-unit views, 3 sides of exposure, high ceilings, and immense natural light. Spacious and dimensional living room, with gas fireplace, is the perfect space to relax or entertain. Cherry cabinet kitchen features granite counters, custom tin backsplash, built-in breakfast bar, and adjacent formal dining nestled in to bow front windows. Oversized primary bed offers space for a king, double closets, and direct-access to balcony. Guest bedroom is the perfect space for roommate, home office, or home gym. Full bath with tile surround, stone vanity, and laundry closet. Enjoy breathtaking Sunsets, Summers, and Skyline views from the shared, and gigantic, two-tiered roofdeck! A great opportunity just steps to Hood Park and everything Charlestown has to offer. Open Houses Saturday May 3 & Sunday May 4 (12-2).

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Public Records

Current Owner

Owner SCANGAS CHRISTOPHER A
Mailing Address MAIN, CHARLESTOWN, MA, 02129

Land Use

Use Code 102
Description Condominium
Style Row End

Tax Information

Assessed Value $722,400
Tax Rate $10.29 per $1,000
Base Tax $7,434
CPA Surcharge 1% ($64)
Estimated Annual Tax $7,498

Assessment History

Year Land Building Total Change
FY2023 $0 $681,800 $681,800 —

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
Match: address_condo (90.0% confidence) · Data as of Mar 8, 2026

Property Overview

Property Type
Condominium
Listing Type
For Sale
Year Built
1899
Bedrooms
2
Full Bathrooms
1
Half Bathrooms
1
Living Area
900 sq ft
Total Rooms
5
Stories
1
Entry Level
3

Sale Statistics

Sale Overview
Original List Price: $824,000
Final Sale Price: $844,000
Difference: +$20,000 (+2.4%)
Performance Metrics
102.4%
List to Sale Ratio
Sold above asking price
6
Days on Market
Very fast sale
Price per Square Foot Analysis
Original $/sq ft: $916
Sale $/sq ft: $938
This property sold for $938 per square foot
Sale Summary

This property sold for 2.4% above the original asking price, indicating strong buyer demand.

With only 6 days on market, this was a quick sale compared to typical market conditions.

Nearby Sales Comparison

Based on 10 similar properties sold within 0.5 miles in the last 90 days

This Property
$938/sq ft
Area Average
$414/sq ft
Difference
+126.8%

This property sold for significantly more per square foot than similar nearby properties, suggesting premium features or condition.

Facts & Features

Home Facts

Type Residential
Style Condominium
Year Built 1899
Living Area 900 sq ft
Bedrooms 2
Full Baths 1
Half Baths 1
Total Rooms 5

Interior

Heating Baseboard
Cooling Window Unit(s)
Flooring Wood
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 None
Features Deck, Deck - Roof, Balcony
Pool None
Spa None
Fencing None
Patio/Porch Deck, Deck - Roof

Parking

Features None

Utilities

Electric None
Water Public
Sewer Public Sewer
Gas None
Other None

Financial

Annual Tax $8,861
Assessed Value $765,200

Interior Features

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

Construction & Materials

Year Built: 1899
Effective Year (Renovated): 2003
Structure Type: Brownstone
Exterior Materials:
Roof:
Foundation:
Stories: 1

Heating, Cooling & Utilities

Heating: Baseboard
Cooling: Window Unit(s)
Hot Water:
Water Source: Public
Sewer: Public Sewer
Energy Features:

Exterior & Lot

Exterior Features: Deck, Deck - Roof, Balcony
Patio & Porch: Deck, Deck - Roof
Fencing:
Other Structures:
Lot Features:
Road Surface:

Parking & Garage

Parking Features:

Special Features

Fireplaces: 1
Fireplace Type:
Community Amenities: Public Transportation, Shopping, Pool, Tennis Court(s), Park, Walk/Jog Trails, Medical Facility, Bike Path, Highway Access, Marina, Public School, T-Station

Location

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Neighborhood

Charlestown

421 Main St # 3, 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
D
Horace Mann School for the Deaf Hard of Hearing
0.2 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
0.4 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
0.7 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
1.4 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
C+
Mario Umana Academy
1.5 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
St. John Elementary School
1.5 mi
Grades PK-08
Advent School
1.6 mi
Grades K-06
D
O'Donnell Elementary School
1.7 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
East Boston Central Catholic School
1.7 mi
Grades PK-08
Park Street School
1.7 mi
Grades K-07
M

Middle Schools

10 schools
Middle School Academy
3.4 mi
F
Higginson/Lewis K-8 School
4.3 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
4.4 mi
Grades 05-08
A
Uncommon Schools - Roxbury Preparatory Dorchester Campus Middle School
4.8 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
5.1 mi
Mother Caroline Academy
5.1 mi
Grades 05-08
Epiphany School
6.1 mi
Grades 05-08
C
Ohrenberger School
9.2 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
0.2 mi
UP Academy
3.4 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
C-
East Boston High School
1.8 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
2.1 mi
Grades 07-12
C
Quincy Upper School
2.4 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
2.8 mi
9 sports • 430 athletes
Grades 07-12
A+
Boston Latin School
3.4 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
3.6 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
3.8 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-
Boston Green Academy Horace Mann Charter School
4.4 mi | #312 of 346 | Score: 35.4
Improved 17 spots from last year
-22.8 below state avg
426 students Diverse
Career Tech Programs Diverse Student Body
Grades 07-12
D
Brighton High School
4.4 mi | #321 of 346 | Score: 31.3
Improved 43 spots from last year
-26.9 below state avg
667 students Diverse
11 sports • 520 athletes
Early College Program Rising School
Grades 07-12
Learn about these ratings
School data provided by BMN Schools

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Monthly Payment Breakdown

Principal & Interest $0
Property Tax $738
Homeowners Insurance $200
HOA Fee $160/mo
PMI (if <20% down) $0

Loan Summary

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Payment Over Time

Interest
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Year 1
95% Interest
Year 15
50/50
Year 30
95% Principal
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Property History

Market Insights

2.4%
Price Range
7
Total Days on Market

Property Timeline

✓
Sold
Jun 18, 2025
$844,000
Property sold
Days on Market: 7
🏠
Listed for Sale
Apr 29, 2025
$824,000
Original listing
Agent: Chris Scangas Office: Berkshire Hathaway HomeServices Verani Realty

Price & Status History

Date Event Price Change
Apr 29, 2025 New Listing Added $824,000 —

Market Statistics

Days on Market
6 days
Price per Sq Ft
$938

Tax History

Year Taxes Assessment
2025 $8,861 $765,200

Financial Details

Annual Property Tax
$8,861
Tax Year 2025
HOA Fee
$160
Monthly
Assessed Value
$765,200

Listing Information

Listing Agent Chris Scangas
Listing Office Berkshire Hathaway HomeServices Verani Realty
Agent MLS ID CN234043
Office MLS ID AN1293
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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