Google street view image for 21 4th St, Onset, MA 02558

Off market mar 2004 for $205K

$431,695

Est. refi paymentEst. refi $737/mo

•

1 ba

•

743

sq ft

21 4th St, Onset, MA 02558

About this home

21 4th St is a 743 square foot house on a 1,742 square foot lot with 2 bedrooms and 1 bathroom. - it last sold on March 24, 2004 for $205,000. Based on Redfin's Onset data, we estimate the home's value is $431,695.

Single-familyProperty Type

1880Year Built

1,742 sq ftLot Size

$581Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$431,695

$227K since sold in March 2004$0 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 19.5% higher than the average sale price ($361K) of 6 comparable homes.

SOLD SEP 25, 2026
$435,600
A
2 beds1 bath604 sq ft
10 East Blvd, Onset, MA 02558
SOLD SEP 25, 2026
$435,600
B
2 beds1 bath604 sq ft
10 East Blvd, Wareham, MA 02571
SOLD AUG 14, 2026
$469,000
C
2 beds1 bath854 sq ft
5 Upland Rd, Onset, MA 02558
SOLD OCT 27, 2026
$317,500
D
1 bed1 bath702 sq ft
5 Baptiste Ave, Onset, MA 02558
SOLD OCT 28, 2026
$350,000
E
3 beds1 bath867 sq ft
298 Onset Ave, Onset, MA 02558
SOLD MAY 22, 2026
$160,000
F
2 beds1 bath620 sq ft
11 Tenth, Wareham, MA 02558

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Earn from this home

Sell

$349,300

Est. take-home

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Est. cash available

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Rent

$1,652/mo

Redfin rental estimate

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Market trends in Onset, MA

Last updated October 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-list price

97.3%

0.5% MoM

Median sale price

$466K

$218K MoM

Avg. days on market

43d

19 days MoM

Recently sold homes

2 MoM

Provided by Redfin

Sale history for 21 4th St

Year

Property tax

Land + Additions

Assessment*

2026

$3,487 (−19.4%)

$211,600 + $195,800

$407,400

2025

$4,325 (+17.3%)

$211,600 + $182,300

$393,900

2022

$3,688 (+20.4%)

$140,300 + $167,000

$307,300

2021

$3,062 (+4.1%)

$124,100 + $94,600

$218,700

2020

$2,942 (+5.8%)

$124,100 + $90,500

$214,600

2019

$2,780 (+3.2%)

$116,800 + $88,200

$205,000

2018

$2,693 (+0.5%)

$116,800 + $75,000

$191,800

2017

$2,680 (+14.3%)

$116,800 + $74,900

$191,700

2016

$2,345 (+3.9%)

$99,700 + $66,700

$166,400

2015

$2,258 (+11.5%)

$99,700 + $65,100

$164,800

2014

$2,025 (+1.9%)

$85,400 + $67,000

$152,400

2013

$1,987 (−10.3%)

$85,400 + $67,000

$152,400

2012

$2,216 (+1.7%)

$125,700 + $70,400

$196,100

2011

$2,179

$124,300 + $77,600

$201,900

2010

$2,179 (+24.2%)

$124,300 + $77,600

$201,900

2009

$1,754

$145,000 + $90,700

$235,700

Tax history for 21 4th St

Year

Property tax

Land + Additions

Assessment*

2026

$3,487 (−19.4%)

$211,600 + $195,800

$407,400

2025

$4,325 (+17.3%)

$211,600 + $182,300

$393,900

2022

$3,688 (+20.4%)

$140,300 + $167,000

$307,300

2021

$3,062 (+4.1%)

$124,100 + $94,600

$218,700

2020

$2,942 (+5.8%)

$124,100 + $90,500

$214,600

2019

$2,780 (+3.2%)

$116,800 + $88,200

$205,000

2018

$2,693 (+0.5%)

$116,800 + $75,000

$191,800

2017

$2,680 (+14.3%)

$116,800 + $74,900

$191,700

2016

$2,345 (+3.9%)

$99,700 + $66,700

$166,400

2015

$2,258 (+11.5%)

$99,700 + $65,100

$164,800

2014

$2,025 (+1.9%)

$85,400 + $67,000

$152,400

2013

$1,987 (−10.3%)

$85,400 + $67,000

$152,400

2012

$2,216 (+1.7%)

$125,700 + $70,400

$196,100

2011

$2,179

$124,300 + $77,600

$201,900

2010

$2,179 (+24.2%)

$124,300 + $77,600

$201,900

2009

$1,754

$145,000 + $90,700

$235,700

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

Property details

Interior

Basement Information
Basement Sq. Ft: 570

Bathroom Information
# of Full Baths: 1

Heating & Cooling
Heating Type: Forced Air

Room Information
# of Rooms: 5

Exterior

Exterior Information
Physical Condition: Average
Building Style Type: Conventional
Exterior Wall: Wood Siding/Shingle
Roof Shape Type: Gable

Property Information
Living Sq. Ft: 743
Gross Sq. Ft: 1,725
# of Units: 1
# of Stories: 2

Lot Information
# of Buildings: 1
Land Sq. Ft: 1,742
Municipality Name: WAREHAM
Acres: 0.04
Zoning Code: OVR
State Use Description: 1-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 2
Baths: 1.0
Sq. Ft.: 743
Stories: 2.0
Lot Size: 1,742 square feet
Style: Single Family Residential
Year Built: 1880
Year Renovated: —
County: Plymouth County
APN: 3201578S

Home facts updated by county records on Oct 15, 2026

Around this home

Schools

K - 12
Preschool & daycare

Wareham Elementary School

Public PreK-4 • Assigned • 1.5mi

5/10

Wareham Senior High School

Public 8-12 • Assigned • 3.0mi

3/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Historical weather

Onset, MA • 02558

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 8.9 hours in June and 4.5 hours in December, placing it below the U.S. average for solar exposure.

8.9 hrs

4.5 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$411,000 – $497,000

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Nearby similar homes

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3D WALKTHROUGH

$469,000

3 beds2 baths1,000 sq ft

29 Sandwich Rd, Wareham, MA 02571

Brand new kitchen • Water views • Fenced backyard

$899,000

2 beds2 baths1,683 sq ft

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3D WALKTHROUGH

$579,000

5 beds2 baths1,922 sq ft

38 Old Onset Rd, Wareham, MA 02558

Completely renovated • New electrical • New plumbing

OPEN WED, 10AM TO 11:30AM

$499,900

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Updated kitchen • Fenced yard • Generator hookup

Home values near 21 4th St

Data from public records.

Address	Redfin Estimate
16 4th Street, Onset, MA 2 Beds \| 1 Baths \| 660 Sq. Ft.	$397,817
18 4th Street, Onset, MA 3 Beds \| 3.5 Baths \| 1164 Sq. Ft.	$581,424
15 4th Street, Onset, MA 3 Beds \| 1.5 Baths \| 1346 Sq. Ft.	$492,516
18 4th Street, Wareham, MA 2 Beds \| 2 Baths \| 1000 Sq. Ft.	$454,460
42 West Street, West Wareham, MA 2 Beds \| 1 Baths \| 636 Sq. Ft.	$428,681
44 West Street, West Wareham, MA 3 Beds \| 1 Baths \| 944 Sq. Ft.	$446,605
50 West Boulevard #R, Onset, MA 3 Beds \| 1 Baths \| 1062 Sq. Ft.	$475,330

Address	Redfin Estimate
22 4th Street, Onset, MA 2 Beds \| 1.5 Baths \| 998 Sq. Ft.	$454,452
20 4th Street, Onset, MA 3 Beds \| 1.5 Baths \| 1306 Sq. Ft.	$557,234
16 4Th Street, Wareham, MA 2 Beds \| 1 Baths \| 660 Sq. Ft.	$389,619
48 West Street, West Wareham, MA 3 Beds \| 1 Baths \| 1242 Sq. Ft.	$588,074
50 West Street, West Wareham, MA 3 Beds \| 1 Baths \| 938 Sq. Ft.	$438,881
16 5th Avenue, Wareham, MA 3 Beds \| 2.5 Baths \| 3126 Sq. Ft.	$1,005,725
46 West Boulevard, Onset, MA 2 Beds \| 2 Baths \| 1458 Sq. Ft.	$485,022

Address	Redfin Estimate
19 4th Street, Onset, MA 2 Beds \| 1.5 Baths \| 1083 Sq. Ft.	$461,796
17 4th Street, Onset, MA 2 Beds \| 2 Baths \| 1282 Sq. Ft.	$557,594
21 4Th Street, Wareham, MA 2 Beds \| 1 Baths \| 863 Sq. Ft.	$452,525
40 West Street, West Wareham, MA 2 Beds \| 1 Baths \| 624 Sq. Ft.	$392,278
46 West Street, West Wareham, MA 2 Beds \| 2 Baths \| 1458 Sq. Ft.	$589,141
5 12th Avenue, Wareham, MA 5 Beds \| 1 Baths \| 1134 Sq. Ft.	$458,417
42 West Boulevard, Onset, MA 2 Beds \| 1 Baths \| 636 Sq. Ft.	$447,106

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About this home

Redfin Estimate

Earn from this home

Market trends in Onset, MA

Sale history for 21 4th St

Tax history for 21 4th St

Property details

Around this home

Schools

Lifestyle

Historical weather

Sun exposure

Nearby similar homes

Home values near 21 4th St

More real estate resources