OFF MARKET

Off market jul 2012 for $234K

$502,973

Est. refi paymentEst. refi $1,552/mo

•

840

sq ft

3 Seal Hbr #734, Winthrop, MA 02152

About this home

Waterfront... Beautiful Seal Harbor III Lovely one bedroom unit with fabulous unobstructed views. Two pools..One outside with Cabana and another on 9th floor. Lap pool year round use. Same level as pool is waterfront workout area with sauna. This area overlooks ocean. Tennis is also available and walking path along ocean. 24 hour concierge and underground parking are some of the amenities available. A great place to call home and just minutes to Boston and Logan

CondoProperty Type

1987Year Built

$599Est. Price/Sq.Ft.

1 garage spacesParking

Listed by Peggie Gilbert • Coldwell Banker Peggy Carter Team

Bought with Sharon Tallent • Highland Real Estate

Redfin checked: a minute ago

•Source:MLS PIN #71355725

Redfin Estimate

$502,973

$269K since sold in July 2012$0 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 1.7% lower than the average sale price ($512K) of 6 comparable homes.

SOLD APR 3, 2026
$515,000
A
1 bed1 bath840 sq ft
3 Seal Harbor Rd #634, Winthrop, MA 02152
SOLD MAY 19, 2026
$630,000
B
1 bed1 bath910 sq ft
3 Seal Harbor Rd #133, Winthrop, MA 02152
SOLD AUG 20, 2026
$550,000
C
1 bed1 bath994 sq ft
1 Seal Harbor Rd #300, Winthrop, MA 02152
SOLD SEP 11, 2026
$370,000
D
2 beds1 bath782 sq ft
1000 Governor's Dr #15, Winthrop, MA 02152
SOLD JUN 23, 2026
$575,000
E
1 bed1 bath1,005 sq ft
1 Seal Harbor Rd #401, Winthrop, MA 02152
SOLD SEP 21, 2026
$430,000
F
1 bed1 bath875 sq ft
350 Revere Beach Blvd Unit 7S, Revere, MA 02151

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Sell

$353,046

Est. take-home

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Est. cash available

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Market trends in 02152, MA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

99.0%

0.9% MoM

Median sale price

$715K

$86K MoM

Avg. days on market

27d

4 days MoM

Recently sold homes

3 MoM

New listings for sale

FOR SALE BY OWNER
$675,000
3 beds1 bath1,198 sq ft
25 North Ave, Winthrop, MA 02152
OPEN TODAY, 11AM TO 12:30PM
$699,000
3 beds1.5 baths2,053 sq ft
65 Sunnyside Ave, Winthrop, MA 02152
OPEN TODAY, 12PM TO 1:30PM
$730,000
3 beds1.5 baths1,406 sq ft
9 Lincoln St, Winthrop, MA 02152
$835,000
6 beds3 baths2,424 sq ft
11-15 Sturgis St, Winthrop, MA 02152
$365,000
2 beds1 bath782 sq ft
200 Governors Dr #19, Winthrop, MA 02152
OPEN TODAY, 12PM TO 1:30PM
$865,000
2 beds2.5 baths1,806 sq ft
1001 Shirley St #2, Winthrop, MA 02152
OPEN TODAY, 11AM TO 12:30PM
$649,900
3 beds2 baths1,515 sq ft
19 Beal St, Winthrop, MA 02152
OPEN TODAY, 11AM TO 12:30PM
$869,000
3 beds2 baths1,925 sq ft
115 Read St #1, Winthrop, MA 02152
OPEN TODAY, 11AM TO 12:30PM
$889,000
3 beds2 baths2,916 sq ft
115 Read St #2, Winthrop, MA 02152
OPEN TODAY, 11:30AM TO 1PM
$629,900
2 beds1 bath1,166 sq ft
96 Marshall St, Winthrop, MA 02152
See all

Provided by Redfin

Sale history for 3 Seal Hbr #734

Year

Property tax

Land + Additions

Assessment*

2023

$3,996 (+1.0%)

$373,500

2022

$3,958 (−2.1%)

$336,600

2021

$4,042 (+3.6%)

$318,800

2020

$3,903 (−1.1%)

$309,300

2019

$3,945 (−4.3%)

$299,300

2018

$4,121 (+3.0%)

$291,000

2017

$4,002 (−1.9%)

$277,700

2016

$4,079 (+18.7%)

$265,400

2014

$3,435 (−5.0%)

$220,500

2013

$3,617 (+2.9%)

$242,600

2012

$3,515 (−3.8%)

$242,600

2011

$3,653 (−3.2%)

$264,700

2010

$3,773 (+31.1%)

$297,100

2009

$2,878

$288,700

Tax history for 3 Seal Hbr #734

Year

Property tax

Land + Additions

Assessment*

2023

$3,996 (+1.0%)

$373,500

2022

$3,958 (−2.1%)

$336,600

2021

$4,042 (+3.6%)

$318,800

2020

$3,903 (−1.1%)

$309,300

2019

$3,945 (−4.3%)

$299,300

2018

$4,121 (+3.0%)

$291,000

2017

$4,002 (−1.9%)

$277,700

2016

$4,079 (+18.7%)

$265,400

2014

$3,435 (−5.0%)

$220,500

2013

$3,617 (+2.9%)

$242,600

2012

$3,515 (−3.8%)

$242,600

2011

$3,653 (−3.2%)

$264,700

2010

$3,773 (+31.1%)

$297,100

2009

$2,878

$288,700

*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

Stories

Lot width

—

Lot depth

—

Lot size

—

Year renovated

1989

Sq. Ft.

840

Year built

1987

Style

Condo/Co-op

County

APN

1425394

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 21, 2023.

Property details

Parking

Parking Information
Has Garage
# of Garage Spaces: 1
# of Covered Spaces: 1
Parking Spaces: 2
AttachedGarageYN: Yes
Parking Features: Under, Off Street, Guest

Interior

Bathroom Information
# of Bathrooms (Full): 1

Basement Information
Basement: Y

Laundry Information
Laundry Features: In Unit

Interior Features
# of Rooms (Total): 3
Flooring: Carpet

Exterior

Building Information
Building Name: Seal Harbor Iii
Building Area (Total): 840
Construction Materials: Brick
StructureType: High-Rise
Stories (Total): 1
Year Built Source: Public Records
Year Built Details: Actual
Lead Paint: None

Exterior Features
Exterior Features: Balcony

Pool Information
Pool Features: Association, In Ground, Indoor, Heated

Property Information
PropertySubType: Condominium
Property AttachedYN: Yes
Entry Level: 7
Entry Location: Unit Placement(Upper)
Security Features: Concierge
Has Waterview
Ocean

Lot Information
WaterfrontYN: Yes

Financial

Tax Information
Tax Annual Amount: $3,515.27
Tax Year: 2012

Utilities

Utility Information
Utilities: for Electric Range
Sewer: Public Sewer
Water Source: Public
Electric: Circuit Breakers

Heating & Cooling
Has Heating
Has Cooling
Heating: Heat Pump, Electric
Cooling: Central Air

Location

HOA Information
Association Fee: $450
Association Fee Frequency: Monthly
Association Fee Includes: Water, Sewer, Insurance, Security, Maintenance Structure, Road Maintenance, Maintenance Grounds, Snow Removal, Trash, Air Conditioning
Association Amenities: Pool, Laundry, Elevator(s), Tennis Court(s), Fitness Center, Sauna/Steam, Storage

Location Information
Directions: Highland to Cliff to Seal Harbor III
UnparsedAddress: 3 Seal Harbor # 734, Winthrop MA 02152

Community Information
Senior CommunityYN: No
Community Features: Pool, Tennis Court(s)
Pets Allowed: Yes w/ Restrictions

Public facts

Beds: 1
Baths: 1.0
Sq. Ft.: 840
Stories: 1.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1987
Year Renovated: 1989
County: —
APN: 1425394

Home facts updated by county records on Jul 20, 2023

Other

Listing Information
StandardStatus: Closed

Around this home

Schools

K - 12
Preschool & daycare

William P. Gorman/Fort Banks Elementary School

Public PreK-2 • Assigned • 0.7mi

Winthrop Middle School

Public 6-8 • Assigned • 0.8mi

8/10

Winthrop Senior High School

Public 9-12 • Assigned • 0.8mi

5/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Historical weather

Winthrop, MA • 02152

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 9.2 hours in June and 4.4 hours in December, placing it below the U.S. average for solar exposure.

9.2 hrs

4.4 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$478,000 – $579,000

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OPEN TODAY, 11AM TO 12:30PM

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115 Read St #2, Winthrop, MA 02152

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Home values near 3 Seal Hbr #734

Data from public records.

Address	Redfin Estimate
3 Seal Harbor Rd Apartment 133, Winthrop, MA 1 Beds \| 1 Baths \| 910 Sq. Ft.	$577,480
3 Seal Harbor Rd Apartment 237, Winthrop, MA 2 Beds \| 2 Baths \| 1318 Sq. Ft.	$653,080
3 Seal Harbor Rd Apartment 334, Winthrop, MA 1 Beds \| 1 Baths \| 840 Sq. Ft.	$511,394
3 Seal Harbor Rd Apartment 348, Winthrop, MA 2 Beds \| 2 Baths \| 1320 Sq. Ft.	$660,353
3 Seal Harbor Rd Apartment 531, Winthrop, MA 1 Beds \| 1.5 Baths \| 1033 Sq. Ft.	$513,122
3 Seal Harbor Rd Apartment 645, Winthrop, MA 2 Beds \| 2 Baths \| 1310 Sq. Ft.	$580,531
3 Seal Harbor Rd Apartment 748, Winthrop, MA 2 Beds \| 2 Baths \| 1320 Sq. Ft.	$686,658

Address	Redfin Estimate
3 Seal Harbor Rd Apartment 135, Winthrop, MA 2 Beds \| 2 Baths \| 1370 Sq. Ft.	$588,593
3 Seal Harbor Rd Apartment 242, Winthrop, MA 2 Beds \| 2 Baths \| 1302 Sq. Ft.	$648,184
3 Seal Harbor Rd Apartment 344, Winthrop, MA 2 Beds \| 2 Baths \| 1302 Sq. Ft.	$628,164
3 Seal Harbor Rd Apartment 443, Winthrop, MA 1 Beds \| 1 Baths \| 838 Sq. Ft.	$487,963
3 Seal Harbor Rd Apartment 536, Winthrop, MA 3 Beds \| 2.5 Baths \| 1674 Sq. Ft.	$926,223
3 Seal Harbor Rd Apartment 731, Winthrop, MA 1 Beds \| 1.5 Baths \| 1033 Sq. Ft.	$570,202
3 Seal Harbor Rd Apartment 832, Winthrop, MA 1 Beds \| 2 Baths \| 1345 Sq. Ft.	$575,433

Address	Redfin Estimate
3 Seal Harbor Rd Apartment 137, Winthrop, MA 2 Beds \| 2 Baths \| 1327 Sq. Ft.	$692,856
3 Seal Harbor Rd Apartment 244, Winthrop, MA 2 Beds \| 2 Baths \| 1302 Sq. Ft.	$590,550
3 Seal Harbor Rd Apartment 346, Winthrop, MA 2 Beds \| 2 Baths \| 1202 Sq. Ft.	$641,011
3 Seal Harbor Rd Apartment 446, Winthrop, MA 2 Beds \| 2 Baths \| 1202 Sq. Ft.	$638,382
3 Seal Harbor Rd Apartment 548, Winthrop, MA 2 Beds \| 2 Baths \| 1320 Sq. Ft.	$648,923
3 Seal Harbor Rd Apartment 741, Winthrop, MA 1 Beds \| 1 Baths \| 871 Sq. Ft.	$440,466
3 Seal Harbor Rd Apartment 835, Winthrop, MA 2 Beds \| 2 Baths \| 1306 Sq. Ft.	$614,734

Property information provided by MLS PIN when last listed in 2012. This data may not match . Learn more.

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