23 Monument Square # 3, Boston MA 02129

Boston, MA 02129 • Charlestown

$1,100,000

Est. $6,520/month

2

Beds

2

Baths

1,200

Sq Ft

$917

Price/Sq Ft

1890

Year Built

Condominium

Type

2 hours 20 minutes

Time on Market

Active Open House Listed Dec 29, 2025 • MLS# 73463972 Copied!

About this home

Charlestown beauty on sought after Monument Square! This 1200 sq ft home all on one level features 2 bedrooms plus a study, 2 full bathrooms, 3 exposures and stunning views of the Bunker Hill Monument! Blonde hardwood floors and recessed lighting. Exposed brick accent walls throughout offer warmth and charm. Large living room with a bay window, crown molding and Southern exposure. Handsome study/den with a wall of arched built in bookcases and storage. Generous guest bedroom with views. Chef's kitchen features stainless appliances, crisp white cabinetry, peninsula bar seating and a separate dedicated formal dining space. Light and bright primary bedroom with 2 double closets plus a linen closet and en suite tiled bathroom with walk in shower. 2nd full bathroom with subway tiled bathtub. In unit laundry with extra room for storage, plus a large, private locked basement storage room. Start your New Year off in this beautiful home in an ideal location with easy access to all Charlestown h

Property Overview

Property Type

Condominium

Listing Type

For Sale

Year Built

1890

Bedrooms

2

Full Bathrooms

2

Living Area

1,200 sq ft

Total Rooms

5

Stories

1

Entry Level

3

Open House Schedule

03

Jan

Saturday, January 3

11:00 AM - 1:00 PM EST

04

Jan

Sunday, January 4

11:00 AM - 1:00 PM EST

Facts & Features

Home Facts

Type Residential

Style Condominium

Year Built 1890

Living Area 1,200 sq ft

Bedrooms 2

Full Baths 2

Total Rooms 5

Interior

Heating Electric Baseboard

Cooling Window Unit(s)

Flooring Wood, Vinyl

Appliances Range, Dishwasher, Disposal, Microwave, Refrigerator, Freezer, Washer, Dryer

Fireplace None

Basement Y

Laundry In Unit

Features None

Exterior

Construction Brick, Stone

Architecture None

Roof None

Features None

Pool None

Spa None

Fencing None

Patio/Porch None

Parking

Features None

Utilities

Electric None

Water Public

Sewer Public Sewer

Gas None

Other None

Financial

Annual Tax $7,657

Assessed Value $999,700

Interior Features

Flooring: Wood, Vinyl

Appliances: Range, Dishwasher, Disposal, Microwave, Refrigerator, Freezer, Washer, Dryer

Interior Features:

Windows:

Basement: Y

Laundry: In Unit

Security: Intercom

Construction & Materials

Year Built: 1890

Structure Type: Rowhouse

Exterior Materials: Brick, Stone

Roof:

Foundation:

Stories: 1

Heating, Cooling & Utilities

Heating: Electric Baseboard

Cooling: Window Unit(s)

Hot Water:

Water Source: Public

Sewer: Public Sewer

Energy Features:

Exterior & Lot

Exterior Features:

Patio & Porch:

Fencing:

Other Structures:

Lot Features:

Road Surface:

Parking & Garage

Parking Features:

Location

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Neighborhood

Charlestown

23 Monument Square # 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

C

Harvard-Kent Elementary School

0.2 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

0.2 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

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

C+

Mario Umana Academy

1.0 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

1.0 mi

Grades PK-08

East Boston Central Catholic School

1.1 mi

Grades PK-08

D

O'Donnell Elementary School

1.2 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

1.2 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

1.3 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

3.1 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

5.0 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

0.4 mi

UP Academy

3.1 mi

H

High Schools

10 schools

D

Charlestown High School

0.2 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

Newman School

2.1 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

2.5 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

3.7 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

4.2 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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Property History

Property Timeline

🏠

Listed for Sale

Dec 29, 2025

$1,100,000

Original listing

Agent: Sarah Herbert Office: Charlesgate Realty Group, llc

Date	Event	Price	Change	$/sqft	Details
12/29/2025	🏠 Listed for Sale	$1,100,000	-	-	Original listing

Price & Status History

Date	Event	Price	Change
Dec 29, 2025	New Listing Added	$1,100,000	—

Market Statistics

Time on Market

2 hours 20 minutes

Price per Sq Ft

$917

Tax History

Year	Taxes	Assessment
2025	$7,657	$999,700

Financial Details

Annual Property Tax

$7,657

Tax Year 2025

HOA Fee

$120

Monthly

Assessed Value

$999,700

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High Schools

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23 Monument Square # 3, Boston MA 02129

About this home

Property Overview

Open House Schedule

Facts & Features

Home Facts

Interior

Exterior

Parking

Utilities

Financial

Interior Features

Construction & Materials

Heating, Cooling & Utilities

Exterior & Lot

Parking & Garage

Location

Neighborhood

Walkability

Nearby Schools

Elementary Schools

Middle Schools

High Schools

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Monthly Payment Breakdown

Loan Summary

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Property Timeline

Listed for Sale

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