BMN Boston

Get our mobile app!

Download on the App Store

21 Parker St, Boston MA 02129

Boston, MA 02129 • Charlestown
$955,000
Est. $5,693/month
6
Beds
3
Baths
3,000
Sq Ft
$318
Price/Sq Ft
0.03
Acres
1875
Year Built
102
Days on Market
Closed Listed Nov 29, 2023 • MLS# 73183704 Copied!

About this home

Solid 4-story Charlestown single family house ready for transformation after being owner-occupied by the same family for 30 years. Located within a half-mile of Assembly Square shopping and even closer to the Sullivan T stop. Southern windows receive light at all times of day. Natural wood flooring covers all four levels of the house. Outdoor patio and new deck can be accessed off the kitchen level. Two additional doors are located at the front of the house. Central AC available on the top two floors installed in an accessible pulldown attic space. Four zones of heat allow for comfortable living on every floor. Parking is available on street with a permit. Owner-occupants may qualify for significantly reduced taxes with a city of Boston residential tax exemption in place.

View in the App

Save this property, schedule tours instantly, and get alerts when the price drops

Scan to download BMN Boston app Scan with phone
Get the full experience in the BMN Boston app

Public Records

Current Owner

Owner MORTIMER MICHAEL J
Mailing Address 21 PARKER, CHARLESTOWN, MA, 02129

Land Use

Use Code 101
Description Single Family
Style Semi-Det

Tax Information

Assessed Value $741,500
Tax Rate $10.29 per $1,000
Base Tax $7,630
CPA Surcharge 1% ($66)
Estimated Annual Tax $7,696

Assessment History

Year Land Building Total Change
FY2023 $157,000 $584,500 $741,500

Sale History

Date Price Book/Page
Dec 29, 1994 $90,000 19526/265

Building Permit History

Issued Type / Work Status Value
Nov 4, 2024 Electrical Permit
ELECTRICAL
Electrical
Permit #E1662958
Closed $600
Jul 11, 2024 Electrical Permit
ELECTRICAL
Electrical
Permit #E1619247
Closed $5,700
Jun 5, 2024 Plumbing Permit
PLUMBING
Plumbing
Permit #PL1611568
Open $5,000
Jun 4, 2024 Short Form Bldg Permit
ROOF
Roofing
Permit #SF1607418
Open $11,000
Apr 11, 2024 Short Form Bldg Permit
INTREN
Renovations - Interior NSC
Permit #SF1589344
Closed $55,900
Data: City of Boston Open Data (Analyze Boston)

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: address_exact (95.0% confidence) · Data as of Jun 1, 2026

Property Overview

Property Type
Single Family Residence
Listing Type
For Sale
Year Built
1875
Bedrooms
6
Full Bathrooms
3
Living Area
3,000 sq ft
Total Rooms
9
Levels
Multi/Split

Sale Statistics

Sale Overview
Original List Price: $1,249,000
Final Sale Price: $955,000
Difference: $294,000 (-23.5%)
Performance Metrics
76.5%
List to Sale Ratio
Sold below asking price
102
Days on Market
Extended listing
Price per Square Foot Analysis
Original $/sq ft: $416
Sale $/sq ft: $318
This property sold for $318 per square foot
Sale Summary

This property sold for 23.5% below the original asking price.

At 102 days on market, this property took longer than average to sell.

Nearby Sales Comparison

Based on 2 similar properties sold within 0.5 miles in the last 90 days

This Property
$318/sq ft
Area Average
$4/sq ft
Difference
+8,696.1%

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 Single Family Residence
Year Built 1875
Living Area 3,000 sq ft
Lot Size 0.03 acres
Bedrooms 6
Full Baths 3
Total Rooms 9

Interior

Heating Baseboard
Cooling Central Air
Flooring Wood
Appliances Gas Water Heater, Range, Refrigerator, Freezer, Washer, Dryer
Fireplace None
Fireplaces 1
Basement None
Laundry First Floor
Features Bedroom

Exterior

Construction Brick
Architecture Other (see Remarks)
Roof Shingle, Rubber
Features Deck, Patio, Rain Gutters, City View(s)
Pool None
Spa None
Fencing None
Patio/Porch Deck, Patio

Parking

Features On Street

Utilities

Electric 200+ Amp Service
Water Public
Sewer Public Sewer
Gas None
Other For Gas Range, For Gas Oven

Financial

Annual Tax $7,964
Assessed Value $741,500

Interior Features

Flooring: Wood
Appliances: Gas Water Heater, Range, Refrigerator, Freezer, Washer, Dryer
Interior Features: Bedroom
Windows: Insulated Windows
Basement:
Laundry: First Floor
Security:

Construction & Materials

Style: Other (See Remarks)
Year Built: 1875
Structure Type:
Exterior Materials: Brick
Roof: Shingle, Rubber
Foundation: Other

Heating, Cooling & Utilities

Heating: Baseboard
Heating Zones: 4
Cooling: Central Air
Cooling Zones: 2
Hot Water:
Water Source: Public
Sewer: Public Sewer
Energy Features:

Exterior & Lot

Exterior Features: Deck, Patio, Rain Gutters, City View(s)
Patio & Porch: Deck, Patio
Fencing:
Other Structures:
Lot Features: Level
Road Surface:

Parking & Garage

Parking Features: On Street

Special Features

Fireplaces: 1
Fireplace Type:
View: Yes
View Type: City View(s), City
Community Amenities: Public Transportation, Shopping, Park, Highway Access, Public School, T-Station

Location

Loading map...

Neighborhood

Charlestown

21 Parker St, Boston MA 02129

Boston, MA 02129

Walkability

Loading Walk Score...

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
0.7 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
0.8 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
1.2 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
Advent School
1.8 mi
Grades K-06
A
Eliot K-8 Innovation School
1.8 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
Park Street School
1.9 mi
Grades K-07
St. John Elementary School
1.9 mi
Grades PK-08
C+
Mario Umana Academy
2.0 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
The Learning Project
2.1 mi
Grades K-06
D
O'Donnell Elementary School
2.1 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
M

Middle Schools

10 schools
Middle School Academy
3.7 mi
F
Higginson/Lewis K-8 School
4.3 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
5.0 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
Mother Caroline Academy
5.2 mi
Grades 05-08
Dearborn Middle School
5.2 mi
Epiphany School
6.3 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
0.7 mi
Timilty Middle
3.7 mi
H

High Schools

10 schools
D
Charlestown High School
1.0 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
Newman School
2.2 mi
Grades 07-12
C-
East Boston High School
2.3 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
2.6 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
2.9 mi
9 sports • 430 athletes
Grades 07-12
A+
Boston Latin School
3.3 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
3.9 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
4.1 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
4.1 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
Learn about these ratings

Monthly Payment Calculator

Monthly Payment
$0
Principal, interest, taxes & insurance
Loan Amount
$0
After down payment
Total Interest
$0
Over life of loan
Total Cost
$0
Including down payment
%
Down: $0
%

Monthly Payment Breakdown

Principal & Interest $0
Property Tax $664
Homeowners Insurance $200
PMI (if <20% down) $0

Loan Summary

Total of 360 payments $0
Total principal paid $0
Total interest paid $0

Rate Impact

-0.5% Rate
$0/mo
Save $0/mo
Current Rate
$0/mo
+0.5% Rate
$0/mo
Cost $0/mo

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

54.5%
Price Range
84
Total Days on Market

Property Timeline

Current Active Listing - MLS #73540375
Full transaction history available when tracking began
🏡
Currently Listed
Jun 23, 2026
$2,099,999
MLS #73540375 - Active
Sold
Mar 11, 2024
$955,000
Property sold
Days on Market: 84
🏠
Listed for Sale
Nov 29, 2023
$1,045,000
Original listing
Agent: Steve Binder Office: Binder Residential

Price & Status History

Date Event Price Change
Jun 23, 2026 Sold $2,099,999
Nov 29, 2023 New Listing Added $1,045,000

Market Statistics

Days on Market
102 days
Price per Sq Ft
$318

Tax History

Year Taxes Assessment
2023 $7,964 $741,500

Financial Details

Annual Property Tax
$7,964
Tax Year 2023
Assessed Value
$741,500

Listing Information

Listing Agent Steve Binder
Listing Office Binder Residential
Agent MLS ID CN239462
Office MLS ID AN8252
Listing Data Updated Mar 11, 2024 5:03 PM EDT
Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.

Comparable Properties

Customize Comparable Search

Finding comparable properties...

Market Analytics for Boston, MA

Real-time market trends and pricing data for this area

21 Parker St, Boston MA 02129 - Photo 1 21 Parker St, Boston MA 02129 - Photo 2 21 Parker St, Boston MA 02129 - Photo 3 21 Parker St, Boston MA 02129 - Photo 4 21 Parker St, Boston MA 02129 - Photo 5 21 Parker St, Boston MA 02129 - Photo 6 21 Parker St, Boston MA 02129 - Photo 7 21 Parker St, Boston MA 02129 - Photo 8 21 Parker St, Boston MA 02129 - Photo 9 21 Parker St, Boston MA 02129 - Photo 10 21 Parker St, Boston MA 02129 - Photo 11 21 Parker St, Boston MA 02129 - Photo 12 21 Parker St, Boston MA 02129 - Photo 13 21 Parker St, Boston MA 02129 - Photo 14 21 Parker St, Boston MA 02129 - Photo 15 21 Parker St, Boston MA 02129 - Photo 16 21 Parker St, Boston MA 02129 - Photo 17 21 Parker St, Boston MA 02129 - Photo 18 21 Parker St, Boston MA 02129 - Photo 19 21 Parker St, Boston MA 02129 - Photo 20 21 Parker St, Boston MA 02129 - Photo 21 21 Parker St, Boston MA 02129 - Photo 22 21 Parker St, Boston MA 02129 - Photo 23 21 Parker St, Boston MA 02129 - Photo 24 21 Parker St, Boston MA 02129 - Photo 25 21 Parker St, Boston MA 02129 - Photo 26 21 Parker St, Boston MA 02129 - Photo 27 21 Parker St, Boston MA 02129 - Photo 28
BMN Boston Real Estate

BMN Boston Real Estate

Douglas Elliman

Your message will be sent to BMN Boston Real Estate.

Schedule a Tour