3 Seal Harbor Rd Unit 448,3, Winthrop, MA 02152

Off market oct 1999 for $230K

$624,380

•

1,309

sq ft

3 Seal Harbor Rd Unit 448,3, Winthrop, MA 02152

About this home

CondoProperty Type

1987Year Built

$477Est. Price/Sq.Ft.

2 garage spacesParking

Listed by Christopher Willis • Harborside Real Estate

Bought with Elisamuel Sanchez • Harborside Real Estate

Redfin checked: 2 minutes ago

•Source:MLS PIN #30334198

Redfin Estimate

$624,380

$394K since sold in October 1999$23K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 3.8% lower than the average sale price ($649K) 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 MAR 2, 2026
$670,000
E
2 beds2 baths1,327 sq ft
3 Seal Harbor Rd #137, Winthrop, MA 02152
SOLD OCT 15, 2026
$665,000
F
2 beds2 baths1,471 sq ft
550 Pleasant St #510, Winthrop, MA 02152

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Earn from this home

Sell

$563,436

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 Unit 448,3

Public record

Beds

—

Baths

—

Stories

—

Lot width

—

Lot depth

—

Lot size

—

Year renovated

—

Sq. Ft.

—

Year built

—

Style

Condo/Co-op

County

APN

—

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Apr 7, 2023.

Property details

Parking

Parking Information
Has Garage
# of Garage Spaces: 2
# of Covered Spaces: 2
Parking Spaces: 2
AttachedGarageYN: Yes
Parking Features: Under, Tandem

Interior

Master Bedroom Information
Area: 208
Length: 13
Width: 16
Level: First
Features: Flooring - Wall to Wall Carpet

Bedroom #2 Information
Area: 144
Length: 12
Width: 12
Level: First
Features: Flooring - Wall to Wall Carpet

Bathroom Information
# of Bathrooms (Full): 2
Master Bathroom Features: Yes

Bathroom #1 Information
Area: 48
Length: 6
Width: 8

Bathroom #2 Information
Area: 56
Length: 8
Width: 7

Living Room Information
Area: 224
Length: 14
Width: 16
Level: First
Features: Flooring - Wall to Wall Carpet

Dining Room Information
Area: 132
Length: 11
Width: 12
Level: First

Kitchen Information
Area: 77
Length: 7
Width: 11
Level: First

Basement Information
Basement: N

Laundry Information
Laundry Features: Electric Dryer Hookup, Washer Hookup

Appliances
Other Equipment: Intercom

Interior Features
# of Rooms (Total): 4
Flooring: Tile, Carpet

Exterior

Building Information
Building Name: Seal Harbor Three Condominium
Building Area (Total): 1,309
Construction Materials: Brick
StructureType: Garden
Stories (Total): 1
Year Built Source: Builder
Year Built Effective: 1987
Year Built Details: Actual
Lead Paint: None

Exterior Features
Roof: Rubber
Exterior Features: Balcony, Storage

Pool Information
Pool Features: Association, In Ground, Heated

Property Information
PropertySubType: Condominium
Common Walls: 2+ Common Walls
Entry Level: 4
Security Features: Intercom, Doorman

Lot Information
WaterfrontYN: Yes

Financial

Tax Information
Tax Annual Amount: $2,187.38
Tax Year: 98

Utilities

Utility Information
Utilities: for Electric Dryer, Washer Hookup, Icemaker Connection
Water Source: Public, City/Town Water
Electric: 110 Volts

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

Location

HOA Information
Association Fee: $407.89
Association Fee Includes: Water, Sewer, Insurance, Security, Maintenance Structure, Maintenance Grounds, Snow Removal
Association Amenities: Pool, Elevator(s), Tennis Court(s), Fitness Center, Sauna/Steam, Clubroom

Location Information
Directions: HIGHLAND TO CLIFF TO SEAL HARBOR
UnparsedAddress: 3 Seal Harbor Road # 3, Winthrop MA 02152

Community Information
Senior CommunityYN: No
Community Features: Pool, Tennis Court(s)

Public facts

Beds: —
Baths: —
Sq. Ft.: —
Stories: —
Lot Size: —
Style: Condo/Co-op
Year Built: —
Year Renovated: —
County: —
APN: —

Home facts updated by county records on Apr 7, 2023

Other

Miscellaneous Information
Heat Zones: 1

Listing Information
Exclusions: Drapes/Foyer Light Fixture & W/D
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

$594,000 – $719,000

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New construction • Electric fireplaces • Private entrance

Home values near 3 Seal Harbor Rd Unit 448,3

Data from public records.

Address	Redfin Estimate
3 Seal Harbor Road #133, Winthrop, MA 1 Beds \| 1 Baths \| 910 Sq. Ft.	$577,480
3 Seal Harbor Road #237, Winthrop, MA 2 Beds \| 2 Baths \| 1318 Sq. Ft.	$653,080
3 Seal Harbor Road #334, Winthrop, MA 1 Beds \| 1 Baths \| 840 Sq. Ft.	$511,394
3 Seal Harbor Road #348, Winthrop, MA 2 Beds \| 2 Baths \| 1320 Sq. Ft.	$660,353
3 Seal Harbor Road #446, Winthrop, MA 2 Beds \| 2 Baths \| 1202 Sq. Ft.	$638,382
3 Seal Harbor Road #636, Winthrop, MA 3 Beds \| 2.5 Baths \| 1674 Sq. Ft.	$817,481
3 Seal Harbor Road #741, Winthrop, MA 1 Beds \| 1 Baths \| 871 Sq. Ft.	$440,466

Address	Redfin Estimate
3 Seal Harbor Road #135, Winthrop, MA 2 Beds \| 2 Baths \| 1370 Sq. Ft.	$588,593
3 Seal Harbor Road #242, Winthrop, MA 2 Beds \| 2 Baths \| 1302 Sq. Ft.	$648,184
3 Seal Harbor Road #344, Winthrop, MA 2 Beds \| 2 Baths \| 1302 Sq. Ft.	$628,164
3 Seal Harbor Road #443, Winthrop, MA 1 Beds \| 1 Baths \| 838 Sq. Ft.	$487,963
3 Seal Harbor Road #531, Winthrop, MA 1 Beds \| 1.5 Baths \| 1033 Sq. Ft.	$513,122
3 Seal Harbor Road #645, Winthrop, MA 2 Beds \| 2 Baths \| 1310 Sq. Ft.	$580,531
3 Seal Harbor Road #748, Winthrop, MA 2 Beds \| 2 Baths \| 1320 Sq. Ft.	$686,658

Address	Redfin Estimate
3 Seal Harbor Road #137, Winthrop, MA 2 Beds \| 2 Baths \| 1327 Sq. Ft.	$692,856
3 Seal Harbor Road #244, Winthrop, MA 2 Beds \| 2 Baths \| 1302 Sq. Ft.	$590,550
3 Seal Harbor Road #346, Winthrop, MA 2 Beds \| 2 Baths \| 1202 Sq. Ft.	$641,011
3 Seal Harbor Road #445, Winthrop, MA 2 Beds \| 2 Baths \| 1310 Sq. Ft.	$584,906
3 Seal Harbor Road #548, Winthrop, MA 2 Beds \| 2 Baths \| 1320 Sq. Ft.	$648,923
3 Seal Harbor Road #731, Winthrop, MA 1 Beds \| 1.5 Baths \| 1033 Sq. Ft.	$570,202
3 Seal Harbor Road #832, Winthrop, MA 1 Beds \| 2 Baths \| 1345 Sq. Ft.	$575,433

Property information provided by MLS PIN when last listed in 1999. This data may not match . Learn more.

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