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23 Monument Square # 3, Boston MA 02129 - Preview 1 23 Monument Square # 3, Boston MA 02129 - Preview 2 23 Monument Square # 3, Boston MA 02129 - Preview 3 23 Monument Square # 3, Boston MA 02129 - Preview 4 23 Monument Square # 3, Boston MA 02129 - Preview 5 23 Monument Square # 3, Boston MA 02129 - Preview 6 23 Monument Square # 3, Boston MA 02129 - Preview 7 23 Monument Square # 3, Boston MA 02129 - Preview 8 23 Monument Square # 3, Boston MA 02129 - Preview 9 23 Monument Square # 3, Boston MA 02129 - Preview 10 23 Monument Square # 3, Boston MA 02129 - Preview 11 23 Monument Square # 3, Boston MA 02129 - Preview 12 23 Monument Square # 3, Boston MA 02129 - Preview 13 23 Monument Square # 3, Boston MA 02129 - Preview 14 23 Monument Square # 3, Boston MA 02129 - Preview 15 23 Monument Square # 3, Boston MA 02129 - Preview 16 23 Monument Square # 3, Boston MA 02129 - Preview 17 23 Monument Square # 3, Boston MA 02129 - Preview 18 23 Monument Square # 3, Boston MA 02129 - Preview 19 23 Monument Square # 3, Boston MA 02129 - Preview 20 23 Monument Square # 3, Boston MA 02129 - Preview 21 23 Monument Square # 3, Boston MA 02129 - Preview 22 23 Monument Square # 3, Boston MA 02129 - Preview 23 23 Monument Square # 3, Boston MA 02129 - Preview 24 23 Monument Square # 3, Boston MA 02129 - Preview 25 23 Monument Square # 3, Boston MA 02129 - Preview 26 23 Monument Square # 3, Boston MA 02129 - Preview 27 23 Monument Square # 3, Boston MA 02129 - Preview 28 23 Monument Square # 3, Boston MA 02129 - Preview 29 23 Monument Square # 3, Boston MA 02129 - Preview 30 23 Monument Square # 3, Boston MA 02129 - Preview 31 23 Monument Square # 3, Boston MA 02129 - Preview 32 23 Monument Square # 3, Boston MA 02129 - Preview 33 23 Monument Square # 3, Boston MA 02129 - Preview 34 23 Monument Square # 3, Boston MA 02129 - Preview 35 23 Monument Square # 3, Boston MA 02129 - Preview 36 23 Monument Square # 3, Boston MA 02129 - Preview 37
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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
10
Days on Market
Pending Listed Dec 29, 2025 • MLS# 73463972 Copied! • Updated Jan 9, 2026

About this home

OPEN HOUSES CANCELLED! 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 & stunning views of the Bunker Hill Monument! Blonde hardwood floors and recessed lighting. Exposed brick accent walls throughout offer warmth & charm. Large living room w/a bay window, crown molding & Southern exposure. Handsome study/den w/a wall of arched built in bookcases and storage. Generous guest bedroom w/views. Chef's kitchen features stainless appliances, crisp white cabinetry, peninsula bar seating & a separate dedicated formal dining space. Light & bright primary bedroom w/2 double closets plus a linen closet & en suite tiled bathroom with walk in shower. 2nd full bath w/ subway tiled bathtub. In unit laundry w/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 w/easy access to all Charlestown has to offer!

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A free agent CMA factors in condition, upgrades, and the street — the things comps alone can't see.

Recently Sold Nearby

Property History

Market Insights

Property Timeline

⏳
Pending Sale
Jan 1, 2026
Offer accepted, sale pending
🏠
Listed for Sale
Dec 29, 2025
$1,100,000
Original listing
Agent: Sarah Herbert Office: Charlesgate Realty Group, llc
🏠
Listed for Sale
Dec 29, 2025
$1,100,000
Original listing
Agent: Sarah Herbert Office: Charlesgate Realty Group, llc

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

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
Features None
Electric None
Water Public
Sewer Public Sewer
Gas None
Other None
Annual Tax $7,657
Assessed Value $999,700

HOA & Community

HOA Fee $120 Monthly
Fee Includes Water, Sewer
Amenities None
Optional Fee Includes None
Owner-Occupied Units 4
Seller Disclosures Condo Fees Paid 6 Months At A Time. Taxes Include City Of Boston Residential Exemption. Master Insurance Paid Yearly As A Special Assessment. Attached Floor Plan Sq Ft Approximate.
Possession None
Accepted Financing None
Structure Type ["Rowhouse"]
Unit/Building 3
Sq Ft Source Public Record
Documents None
County Suffolk
Total market time (incl. prior listings) 11 days

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

Room Details

Other Floor

Bathroom1
Bedroom5
Bedroom4
Bedroom3
Dining Room
Kitchen
Bathroom2
Bedroom2
Living Room
Bathroom3
Master Bedroom
Office
Family Room
Master Bathroom
Yes

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:
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
Learn about these ratings
School data provided by BMN Schools

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Monthly Payment Breakdown

Principal & Interest $0
Property Tax $638
Homeowners Insurance $200
HOA Fee $120/mo
PMI (if <20% down) $0

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Payment Over Time

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Year 1
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Year 15
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Location

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Neighborhood

Charlestown

23 Monument Square # 3, Boston MA 02129

Boston, MA 02129

Listing Information

Listing Agent Sarah Herbert
Listing Office Charlesgate Realty Group, llc
Office Phone 617-587-0100
Agent MLS ID NB114036
Office MLS ID NB1520
Listing Data Updated Jan 9, 2026 11:28 AM EST
Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.

Contact Us

Steven Novak
Steven Novak
BMN Boston Real Estate
(617) 955-2224 mail@steve-novak.com
Ask about this property — free, no obligation.

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BMN Boston Real Estate

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