3 Seal Harbor Rd Ph 37, Winthrop, MA 02152

Off market sep 2003 for $825K

$1,607,560

Est. refi paymentEst. refi $5,411/mo

•

3.5 ba

•

2,147

sq ft

3 Seal Harbor Rd Ph 37, Winthrop, MA 02152

About this home

CondoProperty Type

1987Year Built

$749Est. Price/Sq.Ft.

2 garage spacesParking

Listed by Marc Heyman • Coldwell Banker Residential Brokerage - Boston - Back Bay

Bought with Marc Heyman • Coldwell Banker Residential Brokerage - Boston - Back Bay

Source:MLS PIN #30302380

Redfin Estimate

$1,607,560

$783K since sold in September 2003$24K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 136.7% higher than the average sale price ($679K) of 6 comparable homes.

SOLD BY REDFIN OCT 23, 2026
$623,000
A
2 beds2 baths1,302 sq ft
3 Seal Harbor Rd #342, Winthrop, MA 02152
SOLD SEP 15, 2026
$715,500
B
2 beds2 baths1,414 sq ft
1 Seal Hbr #700, Winthrop, MA 02152
SOLD AUG 26, 2026
$589,000
C
2 beds2 baths1,241 sq ft
1 Seal Harbor Rd #116, Winthrop, MA 02152
SOLD MAY 7, 2026
$632,000
D
2 beds2 baths1,302 sq ft
3 Seal Hbr #344, Winthrop, MA 02152
SOLD OCT 15, 2026
$665,000
E
2 beds2 baths1,471 sq ft
550 Pleasant St #510, Winthrop, MA 02152
SOLD DEC 8, 2025
$850,000
F
3 beds2.5 baths1,674 sq ft
3 Seal Harbor Rd #736, Winthrop, MA 02152

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$1,303,889

Est. take-home

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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

98.4%

0.5% MoM

Median sale price

$665K

$51K MoM

Avg. days on market

36d

9 days MoM

Recently sold homes

1 MoM

New listings for sale

NEW 27 HRS AGO
$675,000
3 beds1 bath1,354 sq ft
25 North Ave, Winthrop, MA 02152
$699,000
3 beds1.5 baths2,053 sq ft
65 Sunnyside Ave, Winthrop, MA 02152
$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
$865,000
2 beds2.5 baths1,806 sq ft
1001 Shirley St #2, Winthrop, MA 02152
$649,900
3 beds2 baths1,515 sq ft
19 Beal St, Winthrop, MA 02152
$869,000
3 beds2 baths1,925 sq ft
115 Read St #1, Winthrop, MA 02152
$889,000
3 beds2 baths2,916 sq ft
115 Read St #2, Winthrop, MA 02152
$629,900
2 beds1 bath1,166 sq ft
96 Marshall St, Winthrop, MA 02152
See all

Provided by Redfin

Sale history for 3 Seal Harbor Rd Ph 37

Date

Event

Price

Public Records

Sep 5, 2003

Sold

$825,000

$384/sq ft

MLS PIN #30302380

Apr 12, 1999

Sold

$425,000

$198/sq ft

Mar 19, 1999

Listing Removed

—

Mar 18, 1999

Listed

$475,000

$221/sq ft

Public Records

Aug 2, 1989

Sold

$482,000

$224/sq ft

Year

Property tax

Land + Additions

Assessment*

2023

$11,167 (+1.0%)

$1,043,600

2022

$11,058 (−2.1%)

$940,300

2021

$11,294 (+3.6%)

$890,700

2020

$10,904 (−1.1%)

$864,000

2019

$11,026 (−0.7%)

$836,600

2018

$11,101 (+2.9%)

$784,000

2017

$10,784 (+2.5%)

$748,400

2016

$10,516 (+18.7%)

$684,200

2014

$8,857 (+0.7%)

$568,500

2013

$8,798 (+2.9%)

$590,100

2012

$8,551 (+2.4%)

$590,100

2011

$8,350 (+10.9%)

$605,100

2010

$7,526 (+3.3%)

$592,600

2009

$7,283

$730,500

Tax history for 3 Seal Harbor Rd Ph 37

Year

Property tax

Land + Additions

Assessment*

2023

$11,167 (+1.0%)

$1,043,600

2022

$11,058 (−2.1%)

$940,300

2021

$11,294 (+3.6%)

$890,700

2020

$10,904 (−1.1%)

$864,000

2019

$11,026 (−0.7%)

$836,600

2018

$11,101 (+2.9%)

$784,000

2017

$10,784 (+2.5%)

$748,400

2016

$10,516 (+18.7%)

$684,200

2014

$8,857 (+0.7%)

$568,500

2013

$8,798 (+2.9%)

$590,100

2012

$8,551 (+2.4%)

$590,100

2011

$8,350 (+10.9%)

$605,100

2010

$7,526 (+3.3%)

$592,600

2009

$7,283

$730,500

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

Property details

Interior

Bathroom Information
# of Full Baths: 3
# of 1/2 Baths: 1

Heating & Cooling
Heating Type: Forced Air

Exterior

Exterior Information
Physical Condition: Average
Exterior Wall: Brick
Roof Covering Type: Rubber/Elastomeric
Roof Shape Type: Flat

Property Information
Subdivision Name: SEAL HARBOR 03
Living Sq. Ft: 2,147
Gross Sq. Ft: 2,267
# of Units: 1
# of Stories: 1

Lot Information
# of Buildings: 1
Municipality Name: WINTHROP
State Use Description: CONDOMINIUM

Financial

Assessor Information
Assessment Year: 2023

Public facts

Beds: 3
Baths: 3.5
Sq. Ft.: 2,147
Stories: 1.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1987
Year Renovated: 1989
County: —
APN: 1425425

Home facts updated by county records on Aug 25, 2023

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

$1.53M – $1.85M

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New listings for sale in 02152

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New construction • Electric fireplaces • Private entrance

Home values near 3 Seal Harbor Rd Ph 37

Data from public records.

Address	Redfin Estimate
3 Seal Harbor Road Unit 131, Winthrop, MA 1 Beds \| 1 Baths \| 698 Sq. Ft.	$374,535
3 Seal Harbor Road Unit 136, Winthrop, MA 2 Beds \| 2.5 Baths \| 1505 Sq. Ft.	$707,159
3 Seal Harbor Road Unit 342, Winthrop, MA 2 Beds \| 2 Baths \| 1302 Sq. Ft.	$625,899
3 Seal Harbor Road Unit 443, Winthrop, MA 1 Beds \| 1 Baths \| 838 Sq. Ft.	$487,963
3 Seal Harbor Road Unit 542, Winthrop, MA 2 Beds \| 2 Baths \| 1283 Sq. Ft.	$636,015
3 Seal Harbor Road Unit 646, Winthrop, MA 2 Beds \| 2 Baths \| 1202 Sq. Ft.	$566,757
3 Seal Harbor Road Unit 746, Winthrop, MA 2 Beds \| 2 Baths \| 1180 Sq. Ft.	$665,183

Address	Redfin Estimate
3 Seal Harbor Road Unit 134, Winthrop, MA 1 Beds \| 1 Baths \| 897 Sq. Ft.	$456,973
3 Seal Harbor Road Unit 237, Winthrop, MA 2 Beds \| 2 Baths \| 1318 Sq. Ft.	$653,080
3 Seal Harbor Road Unit 344, Winthrop, MA 2 Beds \| 2 Baths \| 1302 Sq. Ft.	$628,164
3 Seal Harbor Road Unit 531, Winthrop, MA 1 Beds \| 1.5 Baths \| 1033 Sq. Ft.	$513,122
3 Seal Harbor Road Unit 544, Winthrop, MA 2 Beds \| 2 Baths \| 1302 Sq. Ft.	$625,086
3 Seal Harbor Road Unit 731, Winthrop, MA 1 Beds \| 1.5 Baths \| 1033 Sq. Ft.	$570,202
3 Seal Harbor Road Unit 837, Winthrop, MA 2 Beds \| 2 Baths \| 1318 Sq. Ft.	$653,112

Address	Redfin Estimate
3 Seal Harbor Road Unit 135, Winthrop, MA 2 Beds \| 2 Baths \| 1370 Sq. Ft.	$588,593
3 Seal Harbor Road Unit 341, Winthrop, MA 1 Beds \| 1 Baths \| 871 Sq. Ft.	$455,695
3 Seal Harbor Road Unit 346, Winthrop, MA 2 Beds \| 2 Baths \| 1202 Sq. Ft.	$641,011
3 Seal Harbor Road Unit 534, Winthrop, MA 1 Beds \| 1 Baths \| 840 Sq. Ft.	$504,228
3 Seal Harbor Road Unit 642, Winthrop, MA 2 Beds \| 2 Baths \| 1315 Sq. Ft.	$699,837
3 Seal Harbor Road Unit 732, Winthrop, MA 1 Beds \| 2 Baths \| 1263 Sq. Ft.	$623,242
3 Seal Harbor Road Unit 845, Winthrop, MA 2 Beds \| 2 Baths \| 1214 Sq. Ft.	$575,294

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