NOT LISTED FOR SALE

21 River Ln Duxbury, MA 02332

Estimated Value: $7,774,751 - $9,574,000

6 Beds
9 Baths
8,748 Sq Ft
$980/Sq Ft Est. Value

Sale Details

Date Sold: September 23, 2025

Last sale price $8,250,000 $943 Per Sq Ft

Est. 4% increase in value since last sale

Current estimated payment $51,253 / mo

175 Days on Market

Highlights

  • Marina
  • Ocean View
  • Water Access
  • Alden School Rated A-
  • Guest House
  • Tennis Courts

About This Home

As of September 2025

A majestic setting with picturesque scenic harbor views and direct water access, this stunning waterfront estate embodies the pinnacle of New England coastal living. This newly built "Nantucket-inspired" property showcases meticulous craftsmanship and contemporary elegance. The main house features 6 ensuite bedrooms, 3 half baths, and sprawling manicured grounds with an Australian Open surface tennis court. A beautiful patio connects to a heated 40 X 20 ft pool, providing both recreation and relaxation. The property further delights with a charming 1,350 SqFt 2 bed, 2.5 bath Guest House with kitchenette, laundry, and an indoor/outdoor fireplace. With captivating water views, this home seamlessly blends natural beauty with modern luxury. Enjoy easy waterway access to protected Duxbury Bay w/ a private dock and mooring. Additional amenities: geothermal home, 6 bed bunk room, top floor family room/office, gym + yoga studio, additional laundry and half bathroom in the oversized garage.

Last Agent to Sell the Property

Beth Dickerson

Gibson Sotheby's International Realty Listed on: 03/24/2025

Gibson Sotheby's International Realty

Co-Listed By

Michael Moran

Gibson Sotheby's International Realty

Last Buyer's Agent

Non Member

Non Member Office

Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $72,307

Year Built

  • Built in 2012

Lot Details

  • 1.87 Acre Lot
  • Property fronts a marsh
  • Street terminates at a dead end
  • Stone Wall
  • Landscaped Professionally
  • Gentle Sloping Lot
  • Sprinkler System
  • Cleared Lot
  • Property is zoned RC

Parking

  • 2 Car Attached Garage
  • Oversized Parking
  • Parking Storage or Cabinetry
  • Heated Garage
  • Workshop in Garage
  • Side Facing Garage
  • Garage Door Opener
  • Driveway
  • Open Parking

Property Views

  • Ocean
  • Bay
  • Harbor
  • River
  • Scenic Vista

Home Design

  • Contemporary Architecture
  • Garrison Architecture
  • Shingle Siding
  • Concrete Perimeter Foundation

Interior Spaces

  • Wet Bar
  • 3 Fireplaces
  • French Doors
  • Insulated Doors

Kitchen

  • Oven
  • Range
  • Freezer
  • Dishwasher
  • Wine Refrigerator
  • Disposal

Flooring

  • Wood
  • Marble

Bedrooms and Bathrooms

  • 6 Bedrooms
  • Primary bedroom located on second floor

Laundry

  • Laundry Room
  • Laundry on upper level
  • Dryer
  • Washer

Finished Basement

  • Basement Fills Entire Space Under The House
  • Interior Basement Entry
  • Block Basement Construction

Home Security

  • Home Security System
  • Intercom

Pool

  • Cabana
  • Heated In Ground Pool
  • Outdoor Shower

Outdoor Features

  • Water Access
  • Walking Distance to Water
  • Mooring
  • Tennis Courts
  • Covered Deck
  • Covered Patio or Porch
  • Outdoor Storage
  • Outdoor Gas Grill

Utilities

  • Humidity Control
  • Central Air
  • 12 Cooling Zones
  • 12 Heating Zones
  • Heating System Uses Natural Gas
  • Radiant Heating System
  • Geothermal Heating and Cooling
  • Power Generator
  • Water Treatment System
  • Private Water Source
  • Gas Water Heater
  • Private Sewer

Additional Features

  • Energy-Efficient Thermostat
  • Guest House
  • Property is near schools

Listing and Financial Details

  • Assessor Parcel Number M:117 B:156 L:900,1001130

Community Details

Overview

  • No Home Owners Association

Recreation

  • Marina
  • Jogging Path

Home Details

Home Type

Single Family

Est. Annual Taxes

$72,307

Year Built

Built in 2012

Lot Details

1.87 Acres

Parking

2

Listing Details

  • Property Type: Residential
  • Property Sub Type: Single Family Residence
  • Architectural Style: Garrison, Contemporary, Shingle
  • Year Built: 2012
  • Year Built Details: Approximate
  • Year Round: Yes
  • Special Features: VirtualTour

Interior Features

  • Flooring: Wood, Marble, Hardwood
  • Interior Amenities: Bedroom, Wet Bar
  • Door Features: French Doors
  • Fireplace YN: Yes
  • Fireplaces: 3
  • Appliances: Gas Water Heater, Range, Oven, Dishwasher, Disposal, Refrigerator, Freezer, Washer, Dryer, Water Treatment, Wine Refrigerator
  • Total Bedrooms: 6
  • Room Bedroom2 Level: Second
  • Room Bedroom3 Level: Second
  • Room Bedroom4 Level: Second
  • Room Bedroom5 Level: Second
  • Full Bathrooms: 6
  • Half Bathrooms: 3
  • Total Bathrooms: 9
  • Room Master Bedroom Level: Second
  • Master Bathroom Features: Yes
  • Room Dining Room Level: First
  • Room Family Room Level: First
  • Room Kitchen Level: First
  • Laundry Features: Second Floor
  • Room Living Room Level: First
  • Basement: Full, Finished, Interior Entry, Concrete
  • Above Grade Finished Sq Ft: 7448
  • Below Grade Sq Ft: 1300
  • Living Area: 8748
  • Other Equipment: Intercom
  • Spa YN: No
  • MAIN LO: BB5918
  • MAIN SO: H11111

Exterior Features

  • Exterior Features: Porch, Patio, Covered Patio/Deck, Pool - Inground, Pool - Inground Heated, Cabana, Tennis Court(s), Storage, Professional Landscaping, Sprinkler System, Guest House, Outdoor Shower, Stone Wall, Outdoor Gas Grill Hookup
  • Foundation Details: Concrete Perimeter
  • Home Warranty YN: No
  • Other Structures: Cabana, Guest House
  • Patio And Porch Features: Porch, Patio, Covered
  • Pool Features: In Ground, Pool - Inground Heated
  • Pool Private YN: Yes
  • Road Frontage Type: Dead End
  • Road Surface Type: Paved
  • View: Scenic View(s)
  • View YN: Yes
  • Waterfront Features: Waterfront, Ocean, Bay, Harbor, Dock/Mooring, Frontage, Walk to, Direct Access, 0 to 1/10 Mile To Beach, Beach Ownership(Private,Public)
  • Waterfront YN: Yes
  • Waterview Flag: Yes

Garage/Parking

  • Garage Spaces: 2
  • Attached Garage YN: Yes
  • Carport Y N: No
  • Covered Parking Spaces: 2
  • Garage YN: Yes
  • Open Parking YN: Yes
  • Parking Features: Attached, Garage Door Opener, Heated Garage, Storage, Workshop in Garage, Garage Faces Side, Insulated, Oversized, Paved Drive
  • Total Parking Spaces: 6

Utilities

  • Sewer: Private Sewer
  • Utilities: for Gas Range, Outdoor Gas Grill Hookup
  • Cooling: Central Air, Geothermal
  • Heating: Radiant, Humidity Control, Natural Gas, Geothermal
  • Cooling Y N: Yes
  • Electric: Generator
  • Heating YN: Yes
  • Security Features: Security System
  • Water Source: Public, Private
  • HEAT ZONES: 12
  • COOLING ZONES: 12

Condo/Co-op/Association

  • Association YN: No
  • Community Features: Walk/Jog Trails, Marina, Private School, Public School
  • Senior Community YN: No

Lot Info

  • Parcel Number: M:117 B:156 L:900,1001130
  • Zoning: RC
  • Farm Land Area Units: Square Feet
  • Lot Features: Easements, Cleared, Gentle Sloping
  • Lot Size Acres: 1.87
  • Lot Size Sq Ft: 81457
  • Lot Size Units: Acres
  • Property Attached YN: No

Green Features

  • Green Energy Efficient: Thermostat

Tax Info

  • Tax Year: 2025
  • Tax Annual Amount: 72307

Multi Family

  • Basement Included Sq Ft: Yes
  • Waterview: Bay, Dock/Mooring, Harbor, Marsh, Ocean, River, Walk to

Ownership History

Date Name Owned For Owner Type

Purchase Details

Listed on
Mar 24, 2025
Closed on
Sep 17, 2025
Sold by
Brostowski Maribeth
Bought by
Jcm Duxbury Acquistions
Seller's Agent
Beth Dickerson
Gibson Sotheby's International Realty
Buyer's Agent
Non Member
Non Member Office
List Price
$9,250,000
Sold Price
$8,250,000
Premium/Discount to List
-$1,000,000
-10.81%
Views
182
Current Estimated Value
$8,572,938

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$322,938
Avg. Annual Appreciation
6.84%

Purchase Details

Closed on
Jun 1, 2009
Sold by
White Bradford and White Heidi A
Bought by
Patterson Maribeth

Purchase Details

Closed on
Mar 15, 2005
Sold by
Phillips Marilyn
Bought by
White Bradford and White Heidi A

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$1,000,000
Interest Rate
5.64%
Mortgage Type
Purchase Money Mortgage
Source: Public Records

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
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Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Purchase History

Date Buyer Sale Price Title Company
Jcm Duxbury Acquistions $8,250,000 --
Patterson Maribeth $2,125,000 --
Patterson Maribeth $2,125,000 --
White Bradford $2,200,000 --
White Bradford P $2,200,000 --
Source: Public Records

Mortgage History

Date Status Borrower Loan Amount
Previous Owner White Bradford P $1,000,000
Source: Public Records

Property History

Date Event Price List to Sale Price per Sq Ft
09/23/2025 09/23/25 Sold $8,250,000 -8.3% $943 / Sq Ft
09/15/2025 09/15/25 Pending -- -- --
05/29/2025 05/29/25 Price Changed $8,995,000 -2.8% $1,028 / Sq Ft
03/24/2025 03/24/25 For Sale $9,250,000 -- $1,057 / Sq Ft
Source: MLS Property Information Network (MLS PIN)

Tax History

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $69,609 $6,864,800 $3,831,300 $3,033,500
2024 $73,035 $7,259,900 $4,218,400 $3,041,500
2023 $64,068 $5,993,300 $3,679,800 $2,313,500
2022 $59,829 $4,659,600 $2,503,500 $2,156,100
2021 $60,399 $4,171,200 $2,114,500 $2,056,700
2020 $60,722 $4,142,000 $1,810,600 $2,331,400
2019 $60,416 $4,115,500 $1,760,600 $2,354,900
2018 $61,738 $4,072,400 $1,646,000 $2,426,400
2017 $57,916 $3,734,100 $1,435,300 $2,298,800
2016 $58,065 $3,734,100 $1,435,300 $2,298,800
2015 $58,943 $3,778,400 $1,435,300 $2,343,100
Source: Public Records

Agents Affiliated with this Home

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Map

Source: MLS Property Information Network (MLS PIN)

MLS Number: 73347331

MLS Property Information Network (MLS PIN)

APN: DUXB-000117-000156-000900

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