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21 Oak Street # 1, Boston MA 02129

Boston, MA 02129 • Charlestown
$979,000
Est. $6,250/month
2
Beds
1.5
Baths
1,581
Sq Ft
$619
Price/Sq Ft
2008
Year Built
180
Days on Market
Closed Listed Oct 1, 2021 • MLS# 72903143 Copied!

About this home

Stunning Custom Designed Private Enormous Duplex with Parking! Almost 1600Sf on two levels! Designed by a noted visionary Architect! Expansive Open Concept Living Space with Windows on 3 Sides! Custom see through Gas fireplace open to Living and lovely oversized foyer! East & West blazing Sunshine! Flawless Flexible Floor plan! Gleaming Brazilian Cherry Floors! Sweeping Gourmet Eat in Kitchen offers State of the Art Stainless Steel Top of the Line Appliances & Granite Counters with Big Breakfast Bar & Abundant Custom Cabinetry! Lavish Primary Suite with superior Closet space and a Sumptuous Spa Bathroom with an oversized designer vanity! Additional very Generous second bedroom! Guest half Bath with sleek tile finishes! Come see this Amazing home with direct access out to full drive in parking space! Every amenity you Desire and more... Central Air, Laundry in unit & Extra Storage space! Lush front garden! Impressive Offering!

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Public Records

Current Owner

Owner SELWYN JEREMY
Mailing Address OAK, CHARLESTOWN, MA, 02129

Land Use

Use Code 102
Description Condominium
Style Low Rise

Tax Information

Assessed Value $988,700
Tax Rate $10.29 per $1,000
Base Tax $10,174
CPA Surcharge 1% ($91)
Estimated Annual Tax $10,265

Assessment History

Year Land Building Total Change
FY2023 $0 $952,900 $952,900

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: geocode_proximity (88.8% confidence) · Data as of Mar 26, 2026

Property Overview

Property Type
Condominium
Listing Type
For Sale
Year Built
2008
Bedrooms
2
Full Bathrooms
1
Half Bathrooms
1
Living Area
1,581 sq ft
Total Rooms
5
Stories
2
Entry Level
1

Sale Statistics

Sale Overview
Original List Price: $995,000
Final Sale Price: $979,000
Difference: $16,000 (-1.6%)
Performance Metrics
98.4%
List to Sale Ratio
Sold below asking price
180
Days on Market
Extended listing
Price per Square Foot Analysis
Original $/sq ft: $629
Sale $/sq ft: $619
This property sold for $619 per square foot
Sale Summary

This property sold for 1.6% below the original asking price.

At 180 days on market, this property took longer than average to sell.

Nearby Sales Comparison

Based on 26 similar properties sold within 0.5 miles in the last 90 days

This Property
$619/sq ft
Area Average
$380/sq ft
Difference
+62.7%

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

Facts & Features

Central AC

Home Facts

Type Residential
Style Condominium
Year Built 2008
Living Area 1,581 sq ft
Bedrooms 2
Full Baths 1
Half Baths 1
Total Rooms 5

Interior

Heating Forced Air
Cooling Central Air
Flooring None
Appliances Dishwasher, Disposal, Refrigerator, Washer, Dryer
Fireplace None
Fireplaces 2
Basement N
Laundry In Unit
Features None

Exterior

Construction None
Architecture None
Roof None
Features Porch, Garden
Pool None
Spa None
Fencing None
Patio/Porch Porch

Parking

Features Off Street
Total Spaces 1

Utilities

Electric None
Water Public
Sewer Public Sewer
Gas None
Other None

Financial

Annual Tax $10,968
Assessed Value 0.00

Interior Features

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

Construction & Materials

Year Built: 2008
Structure Type: Low-Rise
Exterior Materials:
Roof:
Foundation:
Stories: 2

Heating, Cooling & Utilities

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

Exterior & Lot

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

Parking & Garage

Total Parking Spaces: 1
Parking Features: Off Street

Special Features

Fireplaces: 2
Fireplace Type:
Community Amenities: Public Transportation, Shopping, Park, Medical Facility, Highway Access, House of Worship, Marina, Public School, T-Station

Location

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Neighborhood

Charlestown

21 Oak Street # 1, 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
0.1 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
0.3 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
0.6 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
1.3 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
1.4 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
1.4 mi
Grades PK-08
Advent School
1.6 mi
Grades K-06
D
O'Donnell Elementary School
1.6 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
1.6 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
4.2 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
6.0 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
0.1 mi
UP Academy
3.4 mi
H

High Schools

10 schools
D
Charlestown High School
0.4 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
1.7 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
Newman School
2.1 mi
Grades 07-12
C
Quincy Upper School
2.3 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
2.7 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
4.5 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
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Down: $0
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Monthly Payment Breakdown

Principal & Interest $0
Property Tax $914
Homeowners Insurance $200
HOA Fee $186/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
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Property History

Market Insights

18.2%
Price Range
182
Total Days on Market

Property Timeline

Current Active Listing - MLS #73491508
Full transaction history available when tracking began
🏡
Currently Listed
Mar 25, 2026
$1,197,500
MLS #73491508 - Active
Sold
Apr 29, 2022
$979,000
Property sold
Days on Market: 182
🏠
Listed for Sale
Oct 1, 2021
$989,000
Original listing
Agent: Frank Celeste Office: Gibson Sotheby's International Realty

Price & Status History

Date Event Price Change
Apr 22, 2026 Sold $1,197,500
Oct 1, 2021 New Listing Added $989,000

Market Statistics

Days on Market
180 days
Price per Sq Ft
$619

Tax History

Year Taxes Assessment
2021 $10,968 $0

Financial Details

Annual Property Tax
$10,968
Tax Year 2021
HOA Fee
$186
Monthly
Assessed Value
$0

Listing Information

Listing Agent Frank Celeste
Listing Office Gibson Sotheby's International Realty
Agent MLS ID BB802670
Office MLS ID BB9059
Listing Data Updated Apr 29, 2022 12:44 PM 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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Market Analytics for Boston, MA

Real-time market trends and pricing data for this area

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