12 Mason St Ext, Wareham MA 02532

Wareham, MA 02532 • Onset
$450,000
Est. $2,732/month
Estimate assumptions

20% down, a 30-year loan at 6.5%, and $200/month estimated insurance.

Includes the supplied property-tax and HOA inputs; missing inputs contribute $0. HOA fees with an unspecified frequency are treated as monthly. PMI and closing costs are excluded.

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2
Beds
1
Baths
624
Sq Ft
$721
Price/Sq Ft
0.11
Acres
1957
Year Built
1
Parking
New today
Time on Market
For Sale Listed Nov 12, 2026 • MLS# 73601445 Copied! • Updated Nov 12, 2026

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About this home

Discover coastal charm and comfortable living in this inviting turn-key home located in the Onset Village community. Enter the front door to an open-concept kitchen and living area with a spacious feel, beautiful hardwood floors and coastal-inspired style. The home offers two bedrooms and a recently updated full bathroom. Fresh paint throughout provides a bright, refreshed feel, while the spacious deck extends the living space outdoors to a fully fenced yard, complete with a detached storage shed. Conveniently located with easy access to Nanumett Beach, Buzzards Bay, marinas, boat ramps and Bayview Park. Onset Village shopping and dining is a short distance away as well as easy highway access making exploring Cape Cod a breeze. Enjoy the relaxed coastal lifestyle while remaining close to local amenities and everything the area has to offer. This property is an ideal getaway, investment property or year-round charming home.

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Recently Sold Nearby

Price & Status History

Market Insights

2.2%
Price Range
1
Previous Sales

Property Timeline

🏠
Listed for Sale
Nov 12, 2026
$450,000
Original listing
Agent: Lauren O'Neill Office: Sotheby's International Realty
Previous Transaction - MLS #73488910
Full transaction history available when tracking began
🏷️
Previously Sold
Apr 17, 2026
$440,000
MLS #73488910

Tax History

Year Taxes Assessment
2026 $3,083 $360,200

Financial Details

Annual Property Tax
$3,083
Tax Year 2026
Assessed Value
$360,200

Facts & Features

Home Facts

Type Residential
Style Single Family Residence
Year Built 1957
Living Area 624 sq ft
Lot Size 0.11 acres
Bedrooms 2
Full Baths 1
Total Rooms 4

Interior

Heating Forced Air, Natural Gas
Cooling None
Flooring Wood
Appliances Gas Water Heater, Range, Dishwasher, Refrigerator, Washer, Dryer
Fireplace None
Basement Partial, Bulkhead, Unfinished
Laundry None
Features None

Exterior

Construction Frame
Architecture Bungalow
Roof Shingle
Features Deck - Composite, Storage, Fenced Yard
Pool None
Spa None
Fencing Fenced
Patio/Porch Deck - Composite
Features Paved Drive, Off Street, Paved
Total Spaces 1
Electric 110 Volts
Water Public
Sewer Public Sewer
Gas None
Other For Electric Range
Annual Tax $3,083
Assessed Value $360,200
Fee Includes None
Amenities None
Optional Fee Includes None
Lead Paint Unknown
Seller Disclosures None
Possession None
Accepted Financing None
Structure Type []
Sq Ft Source Public Record
Documents None
County Plymouth

Property Overview

Property Type
Single Family Residence
Listing Type
For Sale
Year Built
1957
Bedrooms
2
Full Bathrooms
1
Living Area
624 sq ft
Total Rooms
4

Floor Layout

Interior Features

Flooring: Wood
Appliances: Gas Water Heater, Range, Dishwasher, Refrigerator, Washer, Dryer
Interior Features:
Windows:
Basement: Partial, Bulkhead, Unfinished
Laundry:
Security:

Construction & Materials

Style: Bungalow
Year Built: 1957
Structure Type:
Exterior Materials: Frame
Roof: Shingle
Foundation: Concrete Perimeter

Utilities & Systems

Heating: Forced Air, Natural Gas
Heating Zones: 1
Cooling: None
Hot Water:
Water Source: Public
Sewer: Public Sewer
Energy Features:

Exterior & Lot

Exterior Features: Deck - Composite, Storage, Fenced Yard
Patio & Porch: Deck - Composite
Fencing: Fenced
Other Structures:
Lot Features:
Road Surface:

Parking & Garage

Total Parking Spaces: 1
Parking Features: Paved Drive, Off Street, Paved
School District
Wareham School District local
C
⚠ School Safety 2024-25
7.2% Above Average
6.8% Suspensions 2.3% In-School 0.4% Emergency
↑ 1.7% above state avg
E

Elementary Schools

2 schools
Christopher Donovan Day School, Inc
0.8 mi
Grades K-12
B
Wareham Elementary School
2.5 mi | #374 of 825 | Score: 48.3
Improved 150 spots from last year
-9.9 below state avg
942 students Moderate
Rising School
Grades PK-04
M

Middle Schools

1 school
B-
Wareham Middle School
4.3 mi | #212 of 352 | Score: 39.8
Dropped 18 spots from last year
-18.4 below state avg
421 students Diverse
Grades 05-07
H

High Schools

2 schools
C-
Wareham Senior High School
4.1 mi | #281 of 346 | Score: 44.1
Dropped 34 spots from last year
-14.1 below state avg
542 students Diverse
16 sports • 749 athletes
Career Tech Programs College Ready Curriculum Strong Athletics
Grades 08-12
A
Wareham Cooperative Alternative School
4.1 mi | #46 of 346 | Score: 81.8
Same rank as last year
44 students Moderate
College Ready Curriculum
Grades 09-12
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Including down payment
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Down: $0
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Monthly Payment Breakdown

Principal & Interest $0
Property Tax $257
Homeowners Insurance $200
PMI (if <20% down) $0

Loan Summary

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

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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.

Location

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Neighborhood

Onset

12 Mason St Ext, Wareham MA 02532

Wareham, MA 02532

Listing Information

Listing Agent Lauren O'Neill
Listing Office Sotheby's International Realty
Office Phone 508-548-2522
Agent MLS ID CN242351
Office MLS ID A95532
Listing Data Updated Nov 12, 2026 9:35 AM EST
Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.

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