Google street view image for 20 Wareham Ave, Onset, MA 02558

Off market jul 1986 for $14K

$356,562

Est. refi paymentEst. refi $96/mo

•

1 ba

•

919

sq ft

20 Wareham Ave, Onset, MA 02558

About this home

20 Wareham Ave is a 919 square foot house on a 3,485 square foot lot with 3 bedrooms and 1 bathroom. - it last sold on July 08, 1986 for $14,500. Based on Redfin's Onset data, we estimate the home's value is $356,562.

Single-familyProperty Type

1930Year Built

3,485 sq ftLot Size

$388Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$356,562

$342K since sold in July 1986$31K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 20.3% lower than the average sale price ($447K) of 6 comparable homes.

SOLD OCT 28, 2026
$350,000
A
3 beds1 bath867 sq ft
298 Onset Ave, Onset, MA 02558
SOLD OCT 23, 2026
$526,100
B
3 beds1 bath884 sq ft
30 Bay St, Buzzards Bay, MA 02532
SOLD AUG 3, 2026
$499,000
C
3 beds1 bath1,001 sq ft
10 Cleveland Ave, Buzzards Bay, MA 02532
SOLD MAR 27, 2026
$369,900
D
3 beds1 bath932 sq ft
276A Onset Ave, Wareham, MA 02571
SOLD JUL 13, 2026
$483,500
E
3 beds1 bath1,227 sq ft
49 + 51 Main Ave, East Wareham, MA 02538
SOLD AUG 27, 2026
$455,000
F
3 beds2 baths957 sq ft
15 Nanumett St, Buzzards Bay, MA 02532

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Earn from this home

Sell

$337,891

Est. take-home

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Refinance

Est. cash available

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Rent

$1,809/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

$350K

$117K MoM

Avg. days on market

37d

6 days MoM

Recently sold homes

1 MoM

Provided by Redfin

Sale history for 20 Wareham Ave

Year

Property tax

Land + Additions

Assessment*

2026

$2,101 (−18.4%)

$92,400 + $153,100

$245,500

2025

$2,576 (+13.3%)

$92,400 + $142,200

$234,600

2022

$2,273 (+6.8%)

$62,800 + $133,600

$196,400

2021

$2,129 (+4.7%)

$62,800 + $89,300

$152,100

2020

$2,033 (+16.2%)

$62,800 + $85,500

$148,300

2019

$1,749 (+6.8%)

$47,300 + $81,700

$129,000

2018

$1,638 (+3.8%)

$47,300 + $69,400

$116,700

2017

$1,578 (+2.7%)

$47,300 + $65,600

$112,900

2016

$1,536 (+4.2%)

$50,700 + $58,300

$109,000

2015

$1,474 (+2.7%)

$50,700 + $56,900

$107,600

2014

$1,435 (+1.9%)

$37,800 + $70,200

$108,000

2013

$1,408 (+4.0%)

$37,800 + $70,200

$108,000

2012

$1,354 (−1.6%)

$46,000 + $73,800

$119,800

2011

$1,376

$45,100 + $82,400

$127,500

2010

$1,376 (+8.9%)

$45,100 + $82,400

$127,500

2009

$1,263

$73,400 + $96,400

$169,800

Tax history for 20 Wareham Ave

Year

Property tax

Land + Additions

Assessment*

2026

$2,101 (−18.4%)

$92,400 + $153,100

$245,500

2025

$2,576 (+13.3%)

$92,400 + $142,200

$234,600

2022

$2,273 (+6.8%)

$62,800 + $133,600

$196,400

2021

$2,129 (+4.7%)

$62,800 + $89,300

$152,100

2020

$2,033 (+16.2%)

$62,800 + $85,500

$148,300

2019

$1,749 (+6.8%)

$47,300 + $81,700

$129,000

2018

$1,638 (+3.8%)

$47,300 + $69,400

$116,700

2017

$1,578 (+2.7%)

$47,300 + $65,600

$112,900

2016

$1,536 (+4.2%)

$50,700 + $58,300

$109,000

2015

$1,474 (+2.7%)

$50,700 + $56,900

$107,600

2014

$1,435 (+1.9%)

$37,800 + $70,200

$108,000

2013

$1,408 (+4.0%)

$37,800 + $70,200

$108,000

2012

$1,354 (−1.6%)

$46,000 + $73,800

$119,800

2011

$1,376

$45,100 + $82,400

$127,500

2010

$1,376 (+8.9%)

$45,100 + $82,400

$127,500

2009

$1,263

$73,400 + $96,400

$169,800

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

Zoning

OV2

Onset Village 2 District

OV2 district is intended to promote moderate density residential development and compatible business uses outside the center of Onset Village.

Permitted uses

Include but are not limited to:

Assembly/ meeting place
Religious facility
Bank
Day care facility
Housing-Senior
Hotel / motel
Office
Public service
Educational/school
Veterinary clinic

Property details

Interior

Basement Information
Basement Sq. Ft: 330

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: 919
Gross Sq. Ft: 1,623
# of Units: 1
# of Stories: 2

Lot Information
# of Buildings: 1
Land Sq. Ft: 3,485
Municipality Name: WAREHAM
Acres: 0.08
Zoning Code: OVR
State Use Description: 1-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 3
Baths: 1.0
Sq. Ft.: 919
Stories: 2.0
Lot Size: 3,485 square feet
Style: Single Family Residential
Year Built: 1930
Year Renovated: —
County: Plymouth County
APN: 158954S

Home facts updated by county records on Sep 1, 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 • 3.1mi

3/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

6/10 Flood Factor

Estimated 60-74% chance of a flood reaching the building in the next 30 years

2/10 Fire Factor

0.00% chance of being in a wildfire in next 30 years

5/10 Heat Factor

7 days above 93° expected this year, 17 days in 30 years

8/10 Wind Factor

80% chance of strong winds in next 30 years

2/10 Air Factor

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

Provided by First Street

Historical weather

Onset, MA • 02558

Average low and high temperatures (°F)

35°

22°

37°

22°

47°

33°

55°

41°

65°

51°

76°

61°

80°

66°

77°

60°

73°

58°

62°

49°

53°

38°

41°

27°

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 8.8 hours in June and 4.5 hours in December, placing it below the U.S. average for solar exposure.

8.8 hrs

4.5 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$374,000 – $453,000

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Nearby similar homes

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One level living • Covered front entry • Hardwood floors

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2 beds1 bath722 sq ft

40B East Blvd, Onset, MA 02558

1,742 sq ft lot • 2 parking spots • Built 1940

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$680,000

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5 21st St, East Wareham, MA 02538

6,000 sq ft lot • Listed 89 days

$560,000

3 beds2 baths2,121 sq ft

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0.34 acre lot • Listed 33 days

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Complete renovation • New roof • New windows

Home values near 20 Wareham Ave

Data from public records.

Address	Redfin Estimate
24 Wareham Avenue, Onset, MA 3 Beds \| 1 Baths \| 660 Sq. Ft.	$387,657
23 Wareham Avenue, Onset, MA 2 Beds \| 1 Baths \| 573 Sq. Ft.	$292,375
17 Wareham, Wareham, MA 2 Beds \| 1 Baths \| 800 Sq. Ft.	$360,033
16-A Wareham Avenue, Wareham, MA - Beds \| - Baths \| - Sq. Ft.	$135,333
48 12th Street, Onset, MA 2 Beds \| 1 Baths \| 845 Sq. Ft.	$380,473
53 Twelfth Street, Wareham, MA 7 Beds \| 1 Baths \| 968 Sq. Ft.	$346,578
60 Eleventh Street, Wareham, MA 3 Beds \| 2 Baths \| 1166 Sq. Ft.	$465,268

Address	Redfin Estimate
15 Wareham Avenue, Onset, MA 2 Beds \| 1 Baths \| 867 Sq. Ft.	$355,388
21 Wareham Avenue, Onset, MA 2 Beds \| 1 Baths \| 1429 Sq. Ft.	$472,907
19 Wareham Avenue, East Wareham, MA 3 Beds \| 1 Baths \| 1115 Sq. Ft.	$426,299
71 11th Street, Onset, MA 4 Beds \| 1 Baths \| 1394 Sq. Ft.	$416,859
52 12th Street #R, Onset, MA 1 Beds \| 1 Baths \| 616 Sq. Ft.	$283,100
63 Twelfth Street, Wareham, MA 3 Beds \| 2 Baths \| 1201 Sq. Ft.	$470,673
41 Twelfth Street, Wareham, MA 2 Beds \| 1 Baths \| 911 Sq. Ft.	$379,444

Address	Redfin Estimate
26 Wareham Avenue, Onset, MA 2 Beds \| 1 Baths \| 720 Sq. Ft.	$338,485
19 Wareham Avenue, Onset, MA 3 Beds \| 1 Baths \| 1115 Sq. Ft.	$471,109
19 Wareham, Wareham, MA 3 Beds \| 1 Baths \| 1001 Sq. Ft.	$378,293
73 11th Street, Onset, MA 3 Beds \| 2 Baths \| 1003 Sq. Ft.	$463,888
47 12th Street, Onset, MA 3 Beds \| 1 Baths \| 1033 Sq. Ft.	$398,931
73 11th Street, Onset, MA 2 Beds \| 1 Baths \| 1003 Sq. Ft.	$385,394
47 twelfth Street, Wareham, MA 2 Beds \| 1 Baths \| 1033 Sq. Ft.	$412,079

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in Onset, MA

Sale history for 20 Wareham Ave

Tax history for 20 Wareham Ave

Zoning

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

Home values near 20 Wareham Ave

More real estate resources