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30 Black Horse Ln

Cohasset, MA 02025

7 beds
8 baths
6,659 sqft
~6 acre lot
$1,028 per sqft
1910 build
– on site

Nestled on 6.5 PRIVATE ACRES along a stunning peninsula, 30 Black Horse Lane in Cohasset is a rare waterfront estate offering over 1,400 feet of direct Gulph River frontage with private dock. This 7-bedroom, 7.5-bath residence has been beautifully updated, seamlessly blending timeless charm w/modern amenities. The expansive grounds showcase stone terraces, rolling lawns, granite outcroppings, mature trees and private escape areas through the woods to enjoy the serenity of this magical site. Resort-like amenities include a heated pool and spa with pool house and bath, custom tennis court and a private dock with easy harbor access, and a newly renovated Boat house. A four-car garage w/guest quarters above adds flexibility for family and guests. Despite its quiet seclusion, this coastal haven is just a short stroll to downtown Cohasset and the harbor, and 45 minutes to Boston by car, train, or boat. One of Cohasset’s PREMIER ESTATES, a perfect blend of luxury, nature, and convenience.

Listing courtesy of MLSPIN / Tara Coveney / Coldwell Banker Realty - Hingham

Last checked: Checking… • Last updated Apr 3, 2025 •

MLS# 73347886 —

The Building

Year Built:

1910
Year Built Details:

Renovated Since
Year Built Source:

Public Records
Architectural Style:

Colonial
Construction Materials:

Frame
Roof:

Shingle
Basement:

Partially Finished
Foundation Area:

99999
Foundation Details:

Concrete Perimeter
Exterior Features:

Patio
Window Features:

Insulated Windows
Patio And Porch Features:

Patio
Building Area Total:

6659
Building Area Units:

Square Feet
Building Area Source:

Measured

Interior

Rooms Total:

15
Interior Features:

Entrance Foyer
Living Room Level:

First
Living Room Features:

Flooring - Hardwood, Window(s) - Bay/Bow/Box
Kitchen Level:

First
Kitchen Features:

Flooring - Hardwood, Countertops - Stone/Granite/Solid, Kitchen Island, Open Floorplan
Dining Room Level:

First
Dining Room Features:

Flooring - Hardwood
Family Room Level:

First
Family Room Features:

Flooring - Hardwood
Office Level:

First
Office Features:

Flooring - Hardwood
Flooring:

Tile
Fireplace:

true
Fireplaces Total:

6
Fireplace Features:

Family Room
Laundry Features:

First Floor

Room Dimensions

Living Area:

6659
Living Area Source:

Measured
Living Room Area:

624
Living Room Length:

26
Living Room Width:

24
Kitchen Area:

640
Kitchen Length:

32
Kitchen Width:

20
Dining Room Area:

308
Dining Room Length:

14
Dining Room Width:

22
Family Room Area:

280
Family Room Length:

20
Family Room Width:

14
Office Area:

221
Office Length:

17
Office Width:

13
Bedroom 2 Area:

196
Bedroom 3 Area:

266
Bedroom 2 Length:

14
Bedroom 2 Width:

14
Bedroom 3 Length:

14
Bedroom 3 Width:

19
Bedroom 4 Area:

156
Bedroom 4 Length:

12
Bedroom 4 Width:

13
Bedroom 5 Area:

234
Bedroom 5 Length:

18
Bedroom 5 Width:

13
Master Bedroom Area:

315
Master Bedroom Length:

15
Master Bedroom Width:

21
Bathroom 1 Area:

30
Bathroom 1 Length:

5
Bathroom 1 Width:

6
Bathroom 2 Area:

36
Bathroom 2 Length:

6
Bathroom 2 Width:

6
Bathroom 3 Area:

110
Bathroom 3 Length:

11
Bathroom 3 Width:

10

Location

Directions:

Summer Street to Black Horse Lane
Latitude:

42.237198
Longitude:

-70.792068

The Property

Parcel Number:

M:F6 B:33 L:066,62951
Property Type:

Residential
Property Subtype:

Single Family Residence
Property Attached:

false
Lot Features:

Wooded
Lot Size Units:

Acres
Lot Size Area:

6.39
Lot Size SqFt:

278174
Lot Size Acres:

6.39
Zoning:

RB
View:

Scenic View(s)
View:

true
Fencing:

Fenced
Other Structures:

Cabana
Waterview:

Yes
Waterview Features:

River
Waterfront:

true
Waterfront Features:

Waterfront
Farm Land Area Units:

Square Feet
Road Frontage Type:

Public

Listing Agent

Contact info:

Taxes

Tax Year:

2025
Tax Book Number:

41120
Tax Annual Amount:

72961
Tax Assessed Value:

6151300

Beds

Bedrooms Total:

7
Master Bedroom Level:

Second
Master Bedroom Features:

Bathroom - Full, Walk-In Closet(s), Flooring - Hardwood
Bedroom 2 Level:

Second
Bedroom 2 Features:

Bathroom - Full, Flooring - Hardwood
Bedroom 3 Level:

Second
Bedroom 3 Features:

Flooring - Hardwood
Bedroom 4 Level:

Second
Bedroom 4 Features:

Flooring - Hardwood
Bedroom 5 Level:

Second
Bedroom 5 Features:

Flooring - Hardwood

Baths

Total Baths:

7.5
Total Baths:

8
Full Baths:

7
Half Baths:

1
Bathroom 1 Level:

First
Bathroom 1 Features:

Bathroom - Full, Flooring - Stone/Ceramic Tile
Bathroom 2 Level:

First
Bathroom 2 Features:

Bathroom - Full, Flooring - Stone/Ceramic Tile
Bathroom 3 Level:

Second
Bathroom 3 Features:

Bathroom - Full, Flooring - Stone/Ceramic Tile
Master Bath Features:

Yes

The Listing

Home Warranty:

false

Heating & Cooling

Heating:

Forced Air
Heating:

true
Cooling:

Central Air
Cooling:

true

Utilities

Utilities:

Generator Connection
Electric:

200+ Amp Service
Sewer:

Public Sewer
Water Source:

Public

Appliances

Appliances:

Water Heater

Schools

Elementary School:

Osgood/Deerhill
Middle Or Junior School:

Cohasset Ms
High School:

Cohasset Hs

The Community

Senior Community:

false
Community Features:

Public Transportation
Spa:

true
Spa Features:

Private
Pool Private:

true
Pool Features:

Pool - Inground Heated
Association:

false

Parking

Garage:

true
Attached Garage:

false
Garage Spaces:

4
Carport:

false
Parking Total:

10
Parking Features:

Detached
Covered Spaces:

4
Open Parking:

true

Monthly cost estimate

Asking price

$6,850,000

Expense	Monthly cost
Mortgage	$36,679
Taxes	$6,080
Insurance	$1,883
Utilities	$466 See report
Total	$45,108/mo.^*
	^*This is an estimate

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Sale history

Date	Event	Source	Price	% Change
3/20/25 Mar 20, 2025	Listed / Active	MLSPIN	$6,850,000
9/11/24 Sep 11, 2024	Listed / Active	MLSPIN

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This house located in Cohasset, MA 02025 is currently for sale for $6,850,000. 30 Black Horse Ln is a 6,659 square foot house with 7 beds and 8 baths that has been on Estately for 29 days. This house is in the attendance area of Deer Hill School, Cohasset Middle-High School, Cohasset Middle School, and Joseph Osgood School.

Listing Courtesy of: MLSPIN and Coldwell Banker Realty - Hingham.

The property listing data and information set forth herein were provided to MLS Property Information Network, Inc. (MLSPIN) from third party sources, including sellers, lessors and public records, and were compiled by MLS Property Information Network, Inc. The property listing data and information are for the personal, non commercial use of consumers having a good faith interest in purchasing or leasing listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing or leasing. MLS Property Information Network, Inc., Estately and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information set forth herein. Users may not reproduce or redistribute the data found on this site. The data is for viewing purposes only. All information provided is deemed reliable but is not guaranteed by Estately or MLSPIN and should be independently verified.