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$725,000

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21 Main Street B, Boston, MA 02129

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1 Bed

1 Bath

683 Sq Ft

Impeccably renovated & beautifully designed 1BD in Charlestowns historic Gas Light District. Floor-through home offers Jacobean-stained oak floors throughout & spacious living room w/ custom floor-to-ceiling built-ins, recessed lighting, custom window treatments, & a wall of south-facing windows. Thoughtfully designed kitchen w/white quartz countertops, shaker cabinetry, chic hexagon tile backsplash, & ss appliances. A charming dining nook in front of an east-facing bay windowa unique feature for the buildingoffers views stretching to City Square Park. Oversized bedroom comfortably fits a king bed, boast excellent closet space. Renovated bathroom w/ tile & quartz finishes. Other: hallway closet, en-suite laundry, c/air, Harvey Classic, 8 yrs old windows and slider, state-of-the-art BOSCH HVAC system, new hot water tank, freshly painted White Dove walls, recessed lighting, custom window treatments + locked storage in basement. A rare opportunity in a premier location!

Listing By: mamlspin Realty.com

MLS# 73370006
Date Listed05/06/2025
Bedrooms 1
Bathrooms 1 Full baths
Lot Size -
Sewer Public Sewer
Property Type Condominium
County Suffolk
Year Built 1987
Water Public
Square Feet 683 sq. ft
Price Per Sq. Ft $1061.49

Interior Features

Appliances Range, Oven, Dishwasher, Disposal, Refrigerator, Freezer, Washer
Flooring Wood, Tile
Cooling Central Air
Heating Forced Air

Exterior / Lot Features

Roof -
Lot Size Acres -
Lot Size SQFT -
Lot Features -

Directions

Main Street on the left.

Financial Considerations

HOA Fee $310 Monthly
Tax Amount $3,419
Terms Cash, Conventional, FHA, VA Loan

Nearby Schools

Source: School Digger

Harvard/kent Elementary

Public • PK - 5 • Serves this home

0.62 mi

Distance

Clarence R Edwards Middle School

Public • 6 - 8 • Serves this home

0.91 mi

Distance

Charlestown High School

Public • 9 - 12 • Serves this home

0.62 mi

Distance

Harvard/kent Elementary

Public • PK - 5 • Serves this home

0.62 mi

Distance

Samuel Adams Elementary School

Public • PK - 6

1.65 mi

Distance

Hugh Roe O'donnell Elementary School

Public • PK - 6

1.75 mi

Distance

King Open

Public • PK - 5

2.11 mi

Distance

Capuano Ecc

Public • PK - KG

2.19 mi

Distance

John Silber Early Learning Center

Public • PK - 1

2.33 mi

Distance

East Boston Early Childhood Center

Public • PK - 1

2.38 mi

Distance

Adams School

Public • PK - PK

2.75 mi

Distance

Fletcher/maynard Academy

Public • PK - 5

2.84 mi

Distance

John M. Tobin Montessori School

Public • PK - 5

2.84 mi

Distance

Clarence R Edwards Middle School

Public • 6 - 8 • Serves this home

0.91 mi

Distance

Community Charter School Of Cambridge

Public • 6 - 12

1.38 mi

Distance

Vassal Lane Upper School

Public • 6 - 8

2.11 mi

Distance

Cambridge Street Upper School

Public • 6 - 8

2.11 mi

Distance

Excel Academy Charter School - Chelsea

Public • 5 - 8

2.33 mi

Distance

Eugene Wright Science And Technology Academy

Public • 5 - 8

2.33 mi

Distance

Joseph A. Browne Middle School

Public • 5 - 8

2.33 mi

Distance

Quincy Upper School

Public • 6 - 12

2.4 mi

Distance

Excel Academy Charter School - Greenway

Public • 5 - 8

2.45 mi

Distance

Excel Academy Charter School

Public • 5 - 8

3.17 mi

Distance

Charlestown High School

Public • 9 - 12 • Serves this home

0.62 mi

Distance

East Boston High School

Public • 9 - 12

2.45 mi

Distance

Full Circle High School

Public • 9 - 12

2.67 mi

Distance

Snowden Int'l High School

Public • 9 - 12

2.69 mi

Distance

Jas Youthbuild

Public • 10 - UG

2.84 mi

Distance

Phoenix Charter Academy

Public • 9 - 12

2.9 mi

Distance

Boston Arts Academy

Public • 9 - 12

3.12 mi

Distance

Chelsea Opportunity Academy

Public • 9 - 12

3.13 mi

Distance

Chelsea High School

Public • 9 - 12

3.13 mi

Distance

Somerville High School

Public • 9 - 12

3.28 mi

Distance

Seaport Academy

Private • 07 - 12

1.9 mi

Distance

Commonwealth School

Private • 09 - 12

2.69 mi

Distance

The Newman School

Private • 07 - 12

2.69 mi

Distance

James F Farr Academy

Private • 07 - 12

3.12 mi

Distance

Cathedral High School

Private • 07 - 12

3.38 mi

Distance

Dr Solomon Carter Fuller

Private • 10 - 12

3.38 mi

Distance

Boston University Academy

Private • 09 - 12

4.26 mi

Distance

Ivy Street School

Private • 08 - UG

4.26 mi

Distance

Threshold Program Lesley Univ

Private • UG - UG

4.36 mi

Distance

Julie's Family Learning Program

Private • UG - UG

4.42 mi

Distance

Sales & Tax History

Source: Public Records

Street Address	Beds	Baths	Sold Date	List Price	Valuation Date	Valuation Price
125 Magazine A \| Listing	4	3	Oct 06, 2025	$2,950,000	Feb 23, 2024	$3,403,227
89 Third Street	4	4	Oct 07, 2025	$2,975,000	Dec 02, 2025	-
21 Chestnut St	4	7	Nov 19, 2025	$11,800,000	Dec 02, 2025	-
160 Mount Vernon Street	5	7	Oct 18, 2025	$7,890,000	Dec 02, 2025	-
12 Parker Street	2	2	Oct 04, 2025	$1,200,000	Dec 02, 2025	-
86 Wordsworth St	3	1	Oct 11, 2025	$599,999	Dec 02, 2025	-
565 East Broadway	3	4	Nov 26, 2025	$3,199,000	Dec 02, 2025	-
359 Princeton St	2	1	Oct 02, 2025	$549,000	Dec 02, 2025	-
6 Stillman Place	4	2	Nov 15, 2025	$1,550,000	Dec 02, 2025	-
21 Branch Street	2	2	Oct 06, 2025	$3,100,000	Dec 02, 2025	-

Population & Environment

Source: Sperling's Best Places

	Zip	City	County	National
Population	19,023	19,023	828,750	335,858,263
Population Density	14,109	14,109	14,251	95
People per Household	2	2	2.3	2.6
Median Age	40.4	40.4	36.7	39.1
Median Income	$132,294	$132,294	$79,293	$66,222
Average Income	$83,473	$83,473	$48,613	$35,475
Cost of Living Index	94	94	98	100

	Zip	City	County	National
January Avg. High Temp	22.1°F	22.1°F	22.1°F	22.6°F
July Avg. High Temp	82.2°F	82.2°F	82.2°F	86.2°F
Annual Precipitation	42.53"	42.53"	42.53"	38"

...

Walkability in MA / 02129

Source: Walkscore

85/100

Very Walkable

Walk Score ®

91/100

Biker's Paradise

Bike Score ®

Overview

Most errands can be accomplished on foot. It is possible to get on a bus. Daily errands can be accomplished on a bike.

Walkability averages in the surrounding area

The average walkability score in the surrounding area is Walk Score: 77/100, Transit Score: 64/100, Bike Score: 68/100.

Property Change History

Points of Interest near 21 Main Street B, Boston, MA 02129

Warren St @ Winthrop St, Boston, MA, USA

Transport

158 ft

Distance

Park St @ Warren St, Boston, MA, USA

Transport

264 ft

Distance

Main St @ Harvard St, Boston, MA, USA

Transport

264 ft

Distance

Main St @ City Sq, Boston, MA, USA

Transport

370 ft

Distance

Chelsea St @ Warren St, Boston, MA, USA

Transport

528 ft

Distance

Figs, Charlestown, MA, USA

Food • Retail • Nightlife

211 ft

Distance

Tangierino, Boston, MA, USA

Food • Retail • Nightlife

317 ft

Distance

Legal Oysteria, Boston, MA, USA

Food • Retail • Nightlife

370 ft

Distance

Sullivan's Pub, Boston, MA, USA

Food • Retail • Nightlife

370 ft

Distance

Warren Tavern, Boston, MA, USA

Food • Retail • Nightlife

475 ft

Distance

Figs, Charlestown, MA, USA

Food • Retail • Nightlife

211 ft

Distance

Tangierino, Boston, MA, USA

Food • Retail • Nightlife

317 ft

Distance

Legal Oysteria, Boston, MA, USA

Food • Retail • Nightlife

370 ft

Distance

Sullivan's Pub, Boston, MA, USA

Food • Retail • Nightlife

370 ft

Distance

element, Boston, MA, USA

Retail

370 ft

Distance

Warren Tavern, Boston, MA, USA

Food • Retail • Nightlife

475 ft

Distance

Figs, Charlestown, MA, USA

Food • Retail • Nightlife

211 ft

Distance

Tangierino, Boston, MA, USA

Food • Retail • Nightlife

317 ft

Distance

Legal Oysteria, Boston, MA, USA

Food • Retail • Nightlife

370 ft

Distance

Sullivan's Pub, Boston, MA, USA

Food • Retail • Nightlife

370 ft

Distance

Warren Tavern, Boston, MA, USA

Food • Retail • Nightlife

475 ft

Distance

John Harvard Mall, Boston, MA, USA

Recreation

264 ft

Distance

Charlestown Veterans Memorial Park, Boston, MA, USA

Recreation

317 ft

Distance

City Square Park, Boston, MA, USA

Recreation

581 ft

Distance

Boston Fire Department Engine 50, Charlestown, MA, USA

Government • Professional

422 ft

Distance

Charlestown District Court, Boston, MA, USA

Government

475 ft

Distance

St. Mary's, Boston, MA, USA

Religion

317 ft

Distance

Boston Fire Department Engine 50, Charlestown, MA, USA

Government • Professional

422 ft

Distance

Courtyard Condos, Boston, MA, USA

317 ft

Distance

Boston Fire Department Engine 50, Charlestown, MA, USA

370 ft

Distance

Charlestown Municipal Building, Boston, MA, USA

475 ft

Distance

Frequently Asked Questions for 21 Main Street B

Source: Realty.com

21 Main Street B, Boston, MA 02129 is a 683 sq. ft. condo listed for sale with 1 bedrooms and 1 bathrooms. Realty.com has 12 photos of this condominium, listed at $725,000. View sales and tax history of condos, use our mortgage calculator and more on Realty.com

Realty.com has 12 photos of 21 Main Street B.

Our records indicate that 21 Main Street B was built in 1987.

The full address for this home is 21 Main Street B, Boston, MA 02129.

21 Main Street B has been listed on Realty.com since Tue May 06, 2025

Most errands can be accomplished on foot. It is possible to get on a bus. Daily errands can be accomplished on a bike.

The average walkability score in the surrounding area is Walk Score: 77/100, Transit Score: 64/100, Bike Score: 68/100.

There are 3 schools assigned to this home. Check out the schools near 21 Main Street B. Harvard/kent Elementary (Grades: PK - 5), Clarence R Edwards Middle School (Grades: 6 - 8), Charlestown High School (Grades: 9 - 12)

Listing provided courtesy of: Coldwell Banker Realty - Boston (tel: 617-242-0025)
Listing agent: Grace Bloodwell (tel: 617-512-4939) (#BB806851)

This content last refreshed on 2025-12-02 01:12:56. Some properties which appear for sale on this web site may subsequently have sold or may no longer be available.

Export listing data of 21 Main Street B, Boston, MA 02129 : MLS# 73370006

21 Main Street B, Boston, MA 02129

Interior Features

Exterior / Lot Features

Directions

Financial Considerations

Nearby Schools

0.62 mi

0.91 mi

0.62 mi

0.62 mi

1.65 mi

1.75 mi

2.11 mi

2.19 mi

2.33 mi

2.38 mi

2.75 mi

2.84 mi

2.84 mi

0.91 mi

1.38 mi

2.11 mi

2.11 mi

2.33 mi

2.33 mi

2.33 mi

2.4 mi

2.45 mi

3.17 mi

0.62 mi

2.45 mi

2.67 mi

2.69 mi

2.84 mi

2.9 mi

3.12 mi

3.13 mi

3.13 mi

3.28 mi

1.9 mi

2.69 mi

2.69 mi

3.12 mi

3.38 mi

3.38 mi

4.26 mi

4.26 mi

4.36 mi

4.42 mi

Sales & Tax History

Population & Environment

Walkability in MA / 02129

Very Walkable

Biker's Paradise

Overview

Walkability averages in the surrounding area

Nearby Properties

Similar Priced Comparison

Nearby Locations

Communities

Nearby Zips

Nearby Cities

Similar Searches

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What is the Walkability around 21 Main Street B, Boston, MA 02129?

What is the Walkability averages in the surrounding areas of Boston?

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