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21 Tremont Street # A, Boston MA 02129

Boston, MA 02129 • Charlestown
$469,000
Est. $3,119/month
1
Beds
1
Baths
681
Sq Ft
$689
Price/Sq Ft
1860
Year Built
19
Days on Market
Closed Listed Jan 29, 2016 • MLS# 71953576 Copied!

About this home

Located just off Monument Square, this oversized 1BR/1BA offers a corner exposure with exceptional natural light and a beautiful perennial garden with spacious brick patio. The recently renovated kitchen features granite countertops, stainless appliances with gas cooking and is open to an elegant dining room with exposed brick wall. Stunning living room with beautiful period moldings, ceiling medallion and oversized windows overlooking the garden. French doors lead to the spacious master bedroom with sunny corner exposure and double closets. Well-appointed full bathroom offers a jetted tub with stone surround and granite topped vanity. Additional amenities include: high ceilings, Brazilian cherry floors throughout, semi-private W/D and great storage in basement with exterior access.

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Public Records

Current Owner

Owner LUPTON ELMER
Mailing Address 3 TREMONT ST, CHARLESTOWN, MA, 02129

Land Use

Use Code 101
Description Single Family
Style Semi-Det

Tax Information

Assessed Value $1,860,700
Tax Rate $10.29 per $1,000
Base Tax $19,147
CPA Surcharge 1% ($181)
Estimated Annual Tax $19,328

Assessment History

Year Land Building Total Change
FY2023 $488,300 $1,372,400 $1,860,700

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 (77.8% confidence) · Data as of Apr 10, 2026

Property Overview

Property Type
Condominium
Listing Type
For Sale
Year Built
1860
Bedrooms
1
Full Bathrooms
1
Living Area
681 sq ft
Total Rooms
4
Stories
1
Entry Level
1
Main Level Bedrooms
1

Sale Statistics

Sale Overview
Original List Price: $469,000
Final Sale Price: $469,000
Difference: +$0 (+0.0%)
Performance Metrics
100.0%
List to Sale Ratio
Sold at asking price
19
Days on Market
Quick sale
Price per Square Foot Analysis
Original $/sq ft: $689
Sale $/sq ft: $689
This property sold for $689 per square foot
Sale Summary

This property sold exactly at the asking price.

With only 19 days on market, this was a quick sale compared to typical market conditions.

Nearby Sales Comparison

Based on 38 similar properties sold within 0.5 miles in the last 90 days

This Property
$689/sq ft
Area Average
$549/sq ft
Difference
+25.5%

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 1860
Living Area 681 sq ft
Bedrooms 1
Full Baths 1
Total Rooms 4

Interior

Heating Baseboard, Oil
Cooling None
Flooring Hardwood, Stone / Slate
Appliances Range, Dishwasher, Disposal, Microwave, Refrigerator, Freezer
Fireplace None
Basement Y
Laundry In Basement, In Building
Features None

Exterior

Construction Frame
Architecture None
Roof Shingle, Rubber
Features Patio, Fenced Yard, Garden
Pool None
Spa None
Fencing Fenced
Patio/Porch Patio

Parking

Features On Street

Utilities

Electric None
Water Public
Sewer Public Sewer
Gas None
Other For Gas Range

Financial

Annual Tax $2,723
Assessed Value $425,900

Interior Features

Flooring: Hardwood, Stone / Slate
Appliances: Range, Dishwasher, Disposal, Microwave, Refrigerator, Freezer
Interior Features:
Windows:
Basement: Y
Laundry: In Basement, In Building
Security:

Construction & Materials

Year Built: 1860
Effective Year (Renovated): 1984
Structure Type: Detached
Exterior Materials: Frame
Roof: Shingle, Rubber
Foundation:
Stories: 1

Heating, Cooling & Utilities

Heating: Baseboard, Oil
Heating Zones: 1
Cooling: None
Hot Water:
Water Source: Public
Sewer: Public Sewer
Energy Features:

Exterior & Lot

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

Parking & Garage

Parking Features: On Street

Location

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Neighborhood

Charlestown

21 Tremont Street # A, 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
C
Harvard-Kent Elementary School
< 0.1 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-
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
0.5 mi | #374 of 346 | Score: 33.9
Same rank as last year
73 students Diverse
Diverse Student Body
Grades PK-12
A
Eliot K-8 Innovation School
0.8 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
0.9 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
0.9 mi
Grades PK-08
East Boston Central Catholic School
1.0 mi
Grades PK-08
D
O'Donnell Elementary School
1.1 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
B+
Alighieri Dante Montessori School
1.1 mi | #5 of 12 | Score: 45.3
Improved 124 spots from last year
-12.9 below state avg
109 students Diverse
Rising School
Grades PK-06
C-
Kennedy Patrick J Elementary School
1.2 mi | #670 of 824 | Score: 37.5
Improved 47 spots from last year
-20.7 below state avg
279 students Less Diverse
Rising School
Grades PK-06
M

Middle Schools

10 schools
Middle School Academy
3.0 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
4.4 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
4.9 mi
Mother Caroline Academy
4.9 mi
Grades 05-08
Epiphany School
5.8 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
0.5 mi
UP Academy
3.0 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
1.3 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
2.0 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
Newman School
2.1 mi
Grades 07-12
Cathedral High School
2.5 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
3.5 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
3.6 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
4.4 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
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Down: $0
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Monthly Payment Breakdown

Principal & Interest $0
Property Tax $227
Homeowners Insurance $200
HOA Fee $321/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

32.9%
Price Range
20
Total Days on Market

Property Timeline

Current Active Listing - MLS #73499016
Full transaction history available when tracking began
🏡
Currently Listed
Apr 9, 2026
$699,000
MLS #73499016 - Active
Sold
Mar 24, 2016
$469,000
Property sold
Days on Market: 20
🏠
Listed for Sale
Jan 29, 2016
$469,000
Original listing
Agent: Nancy Roth Office: Hammond Residential

Price & Status History

Date Event Price Change
Apr 13, 2026 Sold $699,000
Jan 29, 2016 New Listing Added $469,000

Market Statistics

Days on Market
19 days
Price per Sq Ft
$689

Tax History

Year Taxes Assessment
2016 $2,723 $425,900

Financial Details

Annual Property Tax
$2,723
Tax Year 2016
HOA Fee
$321
Monthly
Assessed Value
$425,900

Listing Information

Listing Agent Nancy Roth
Listing Office Hammond Residential
Agent MLS ID H8000088
Office MLS ID BB3017
Listing Data Updated Mar 24, 2016 2:06 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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21 Tremont Street # A, Boston MA 02129 - Photo 1 21 Tremont Street # A, Boston MA 02129 - Photo 2 21 Tremont Street # A, Boston MA 02129 - Photo 3 21 Tremont Street # A, Boston MA 02129 - Photo 4 21 Tremont Street # A, Boston MA 02129 - Photo 5 21 Tremont Street # A, Boston MA 02129 - Photo 6 21 Tremont Street # A, Boston MA 02129 - Photo 7
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