OFF MARKET

Off market feb 2016 for $426K

$728,447

Est. refi paymentEst. refi $1,257/mo

•

2,026

sq ft

21 Plympton St, Waltham, MA 02451

About this home

Classic colonial situated at the base of the highly desirable Waltham Highlands. This 3 bed 1.5 bath sun-filled home has been expanded with smart design to extend the high ceilings from the gracious living room, dining room and kitchen (gas cooking) into a large family room (w/ fireplace). The large master bedroom features a walk-in closet. This home is ideal for entertainingly & enjoying city life. The low-maintenance yard is perfect for night and weekend gatherings. If you want to be close to a playground and park (half block), this home is perfect for you; if you want a home with walking access to Waltham's vibrant city and restaurants, this home is perfect for you; if you want to have easy access to hiking trails and conservation land, this is the house for you; if you want a home with character and functional space, this home is what you've been looking for. Ready for your custom touches and pure enjoyment - call today, don't regret a missed opportunity - not a drive by!

Single-familyProperty Type

1897Year Built

3,311 sq ftLot Size

$360Est. Price/Sq.Ft.

2 spacesParking

Listed by Mike Hughes Team • RE/MAX On the Charles

Bought with Ortins Group • Atlantic Coast Homes,Inc

Redfin checked: 2 minutes ago

•Source:MLS PIN #71836910

Redfin Estimate

$728,447

$302K since sold in February 2016$3,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 9.5% lower than the average sale price ($805K) of 6 comparable homes.

SOLD JUL 29, 2026
$925,000
A
3 beds1.5 baths1,447 sq ft
42 Lawrence St, Waltham, MA 02451
SOLD OCT 14, 2026
$900,000
B
3 beds1.5 baths1,463 sq ft
12 Gilbert St, Waltham, MA 02453
SOLD JUN 30, 2026
$755,000
C
3 beds1.5 baths1,422 sq ft
144 Alder St, Waltham, MA 02453
SOLD APR 8, 2026
$699,900
D
3 beds1 bath2,114 sq ft
14 Willard St, Waltham, MA 02451
SOLD AUG 31, 2026
$723,000
E
4 beds2 baths1,932 sq ft
268 Newton St, Waltham, MA 02453
SOLD OCT 21, 2026
$825,000
F
3 beds1.5 baths2,041 sq ft
346 Weston St, Waltham, MA 02453

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Earn from this home

Sell

$430,345

Est. take-home

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Refinance

Est. cash available

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Rent

$2,064/mo

Redfin rental estimate

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Market trends in 02451, MA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

99.9%

1.3% MoM

Median sale price

$855K

$65K MoM

Avg. days on market

22d

2 days MoM

Recently sold homes

10 MoM

New listings for sale

$1,499,000
4 beds4 baths3,623 sq ft
1382 Trapelo Rd, Waltham, MA 02451
$1,274,900
4 beds4.5 baths3,150 sq ft
20 College Farm Rd #20, Waltham, MA 02451
$799,900
3 beds1.5 baths1,296 sq ft
14 Ode St, Waltham, MA 02451
$995,000
4 beds2.5 baths3,481 sq ft
234 Worcester, Waltham, MA 02451
$599,900
4 beds2.5 baths1,660 sq ft
27 Malvern St, Waltham, MA 02451
OPEN SUN, 11AM TO 2PM
$875,000
3 beds2 baths1,921 sq ft
23 Birch Rd, Waltham, MA 02451
See all

Provided by Redfin

Redfin agents who toured

Older home which has been renovated. Family room and spacious master bedroom are possible new addition. Good flow of space on first floor. High ceilings, newer windows, fenced backyard and walk up attic.
11 years ago• May not reflect the current state of the home
Aditi Jain
Redfin Premier agent

Sale history for 21 Plympton St

Date

Event

Price

MLS PIN #71836910

Feb 12, 2016

Sold

$426,000

$210/sq ft

Jan 5, 2016

Pending

—

Jan 5, 2016

Relisted

—

Nov 4, 2015

Listing Removed

—

Nov 4, 2015

Pending

—

Oct 9, 2015

Price Changed

$426,000

$210/sq ft

Jul 22, 2015

Relisted

—

Jul 12, 2015

Pending

—

Jul 7, 2015

Price Changed

$439,000

$217/sq ft

Jul 7, 2015

Price Changed

$449,000

$222/sq ft

Jun 25, 2015

Price Changed

$449,000

$222/sq ft

Jun 3, 2015

Price Changed

$499,000

$246/sq ft

May 14, 2015

Listed

$539,000

$266/sq ft

Public Records

Nov 18, 1998

Sold

$163,000

$80/sq ft

Year

Property tax

Land + Additions

Assessment*

2026

$7,311 (+7.5%)

$377,700 + $330,700

$708,400

2025

$6,798 (+2.3%)

$359,800 + $332,500

$692,300

2024

$6,642 (+1.3%)

$359,800 + $329,200

$689,000

2023

$6,554 (−2.0%)

$326,400 + $308,700

$635,100

2022

$6,691 (+5.9%)

$306,500 + $294,100

$600,600

2021

$6,318 (+3.7%)

$279,800 + $278,300

$558,100

2020

$6,090 (+3.3%)

$253,300 + $256,300

$509,600

2019

$5,894 (+10.0%)

$253,300 + $212,300

$465,600

2018

$5,357 (+5.7%)

$234,500 + $190,300

$424,800

2017

$5,068 (+4.3%)

$213,200 + $190,300

$403,500

2016

$4,857 (+4.9%)

$206,500 + $190,300

$396,800

2015

$4,630 (+1.6%)

$193,200 + $159,400

$352,600

2014

$4,557 (−1.4%)

$179,900 + $159,400

$339,300

2013

$4,623 (+1.0%)

$169,900 + $172,800

$342,700

2012

$4,575 (+2.0%)

$169,900 + $172,800

$342,700

2011

$4,486 (+1.4%)

$169,900 + $172,800

$342,700

2010

$4,423 (+15.0%)

$179,900 + $172,800

$352,700

2009

$3,845

$167,900 + $172,400

$340,300

Tax history for 21 Plympton St

Year

Property tax

Land + Additions

Assessment*

2026

$7,311 (+7.5%)

$377,700 + $330,700

$708,400

2025

$6,798 (+2.3%)

$359,800 + $332,500

$692,300

2024

$6,642 (+1.3%)

$359,800 + $329,200

$689,000

2023

$6,554 (−2.0%)

$326,400 + $308,700

$635,100

2022

$6,691 (+5.9%)

$306,500 + $294,100

$600,600

2021

$6,318 (+3.7%)

$279,800 + $278,300

$558,100

2020

$6,090 (+3.3%)

$253,300 + $256,300

$509,600

2019

$5,894 (+10.0%)

$253,300 + $212,300

$465,600

2018

$5,357 (+5.7%)

$234,500 + $190,300

$424,800

2017

$5,068 (+4.3%)

$213,200 + $190,300

$403,500

2016

$4,857 (+4.9%)

$206,500 + $190,300

$396,800

2015

$4,630 (+1.6%)

$193,200 + $159,400

$352,600

2014

$4,557 (−1.4%)

$179,900 + $159,400

$339,300

2013

$4,623 (+1.0%)

$169,900 + $172,800

$342,700

2012

$4,575 (+2.0%)

$169,900 + $172,800

$342,700

2011

$4,486 (+1.4%)

$169,900 + $172,800

$342,700

2010

$4,423 (+15.0%)

$179,900 + $172,800

$352,700

2009

$3,845

$167,900 + $172,400

$340,300

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Beds

Baths

1.5

Stories

Lot width

—

Lot depth

—

Lot size

3,485 Sq. Ft.

Year renovated

—

Sq. Ft.

2,014

Year built

1897

Style

Single Family Residential

County

Middlesex County

APN

1971927S

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 16, 2026.

Property details

Parking

Parking Information
Has Open Parking
Parking Spaces: 2
Parking Features: Paved Drive, Off Street, Driveway, Paved

Interior

Master Bedroom Information
Level: Second
Features: Ceiling Fan(s),Walk-In Closet(s),Closet,Flooring - Wall to Wall Carpet,Cable Hookup

Bedroom #2 Information
Level: Second
Features: Ceiling Fan(s),Closet,Flooring - Hardwood,Flooring - Wood

Bedroom #3 Information
Level: Second
Features: Closet,Flooring - Hardwood,Flooring - Wood

Bathroom Information
# of Bathrooms (Full): 1
# of Bathrooms (Half): 1
Main Level Bathrooms: 1

Bathroom #1 Information
Level: Main,First
Features: Bathroom - Half,Flooring - Vinyl,Dryer Hookup - Gas,Remodeled,Washer Hookup

Bathroom #2 Information
Level: Second
Features: Bathroom - Full,Bathroom - With Tub,Flooring - Stone/Ceramic Tile

Living Room Information
Level: Main,First
Features: Flooring - Hardwood,Flooring - Wood,Exterior Access

Family Room Information
Level: Main,First
Features: Ceiling Fan(s),Flooring - Hardwood,Flooring - Wood,Cable Hookup,Exterior Access,High Speed Internet Hookup,Open Floorplan

Dining Room Information
Level: Main,First
Features: Flooring - Hardwood,Flooring - Wood

Kitchen Information
Level: Main,First
Features: Bathroom - Half,Flooring - Laminate,Open Floorplan,Recessed Lighting,Washer Hookup,Gas Stove

Basement Information
Basement: Full, Interior Entry, Concrete

Laundry Information
Laundry Features: Bathroom - Half, Flooring - Vinyl, Gas Dryer Hookup, Remodeled, Washer Hookup, First Floor

Fireplace Information
Has Fireplace
# of Fireplaces (Total): 1
Fireplace Features: Family Room

Interior Features
# of Rooms (Total): 7
Window Features: Insulated Windows, Screens
Flooring: Wood, Tile, Vinyl, Carpet, Hardwood
Interior Features: Walk-Up Attic

Exterior

Building Information
Building Area (Total): 2,026
Foundation Details: Concrete Perimeter, Stone
Construction Materials: Frame
Year Built Source: Public Records
Year Built Details: Approximate
Color: Tan

Exterior Features
Roof: Shingle
Patio And Porch Features: Deck, Patio
Exterior Features: Deck, Patio, Rain Gutters, Screens

Property Information
PropertySubType: Single Family Residence

Lot Information
Lot Size (Acres): 0.08
Lot Features: Corner Lot, Level
Road Surface Type: Paved
Road Frontage Type: Public
Road Responsibility: Public Maintained Road

Financial

Tax Information
Tax Annual Amount: $4,630
Tax Year: 2015

Utilities

Utility Information
Utilities: for Gas Range, for Gas Oven, for Gas Dryer, Washer Hookup
Sewer: Public Sewer
Water Source: Public
Electric: Circuit Breakers

Heating & Cooling
Has Heating
Heating: Steam, Natural Gas, Other

Location

Location Information
Directions: Bacon Street => Plympton Street
UnparsedAddress: 21 Plympton St, Waltham MA 02451

Community Information
Senior CommunityYN: No
Community Features: Public Transportation, Shopping, Park, Medical Facility, Laundromat, Conservation Area, Highway Access, House of Worship, Private School, Public School, T-Station, University, Sidewalks

Public facts

Beds: 3
Baths: 1.5
Sq. Ft.: 2,014
Stories: 2.0
Lot Size: 3,485 square feet
Style: Single Family Residential
Year Built: 1897
Year Renovated: —
County: Middlesex County
APN: 1971927S

Home facts updated by county records on Sep 16, 2026

Other

Miscellaneous Information
Heat Zones: 1

Listing Information
StandardStatus: Closed

Around this home

Schools

Thomas R Plympton Elementary School

Public K-5 • Assigned • 0.0mi

5/10

John F Kennedy Middle School

Public 6-8 • Assigned • 1.2mi

8/10

Waltham Senior High School

Public 9-12 • Assigned • 1.0mi

4/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

6/10 Heat Factor

7 days above 97° expected this year, 15 days in 30 years

6/10 Wind Factor

49% chance of strong winds in next 30 years

3/10 Air Factor

2 unhealthy days expected this year, 3 days in 30 years

Provided by First Street

Historical weather

Waltham, MA • 02451

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 9 hours in June and 4.4 hours in December, placing it below the U.S. average for solar exposure.

9 hrs

4.4 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$691,000 – $836,000

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Home values near 21 Plympton St

Data from public records.

Address	Redfin Estimate
9 Plympton Street, Waltham, MA 4 Beds \| 1.5 Baths \| 1365 Sq. Ft.	$745,884
19 Plympton Street, Waltham, MA 4 Beds \| 2 Baths \| 2149 Sq. Ft.	$938,124

Address	Redfin Estimate
15 Plympton Street, Waltham, MA 6 Beds \| 2 Baths \| 2744 Sq. Ft.	$980,650
33 Plympton Street, Waltham, MA 3 Beds \| 1.5 Baths \| 1710 Sq. Ft.	$835,084

Address	Redfin Estimate
17 Plympton Street, Waltham, MA 4 Beds \| 2 Baths \| 2132 Sq. Ft.	$953,493
36 Plympton Street, Waltham, MA 2 Beds \| - Baths \| 1048 Sq. Ft.	$777,252

Property information provided by MLS PIN when last listed in 2015. This data may not match . Learn more.

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