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$8,995,000

For Sale - Active
21 River Ln, Duxbury, MA 02332
6 Beds
9 Baths
8,748 Square Feet
1.87 Acres Lot
Built in 2012
For Sale - Active
Units n/a
Checked: 2 hours ago
Updated: Aug 29, 2025 at 10:14AM

Investment Summary


Monthly Cash Flow
-$45,074
Cap Rate
-0.3%
Cash-on-Cash Return
-26.1%
Debt Coverage Ratio
-0.06
Internal Rate of Return (5 years)
-21.2%

Property Description


1.87 Acres Lot
Built in 2012
For Sale - Active
Units n/a

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.

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Location


Property Details


Parking

  • Description: Attached Garage
  • Details: Paved, Attached, Garage Door Opener, Heated Garage, Storage, Workshop in Garage, Garage Faces Side, Oversized, Garage
  • Garage Spaces: 2
  • Spaces Total: 6

Bedroom Information

  • # of Bedrooms: 6

Bathroom Information

  • # of Baths (Full): 6
  • # of Baths (Partial): 2
  • # of Baths (Total): 9.0

Interior Features

  • # of Rooms: 14
  • # of Stories: 2
  • Basement: Yes
  • Basement Description: Full, Finished, Interior Entry, Concrete
  • Fireplace: Yes

Exterior Features

  • Exterior Walls Materials: Wood Siding
  • Foundation: Concrete Perimeter
  • Roof Type: Gambrel
  • Pool: Yes

Land Information

  • Land Use: Residential
  • Land Use Subtype: Single Family Residential

Lot Information

  • Parcel ID: DUXBM:117B:156L:900
  • Lot Size: 81457 sqft

Property Information

  • Property Type: Single Family Residence
  • Style: Garrison, Contemporary, Shingle
  • Year Built: 2012

Tax Information

  • Annual Tax: $72,307

Utilities

  • Water & Sewer: Public, Private
  • Heating: Natural Gas, Geothermal, Radiant, Humidity Control
  • Cooling: Central Air, Geothermal

Location

  • County: Plymouth

Investment Summary


Monthly Cash Flow
-$45,074
Cap Rate
-0.3%
Cash-on-Cash Return
-26.1%
Debt Coverage Ratio
-0.06
Internal Rate of Return (5 years)
-21.2%

Purchase Details

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Purchase price:
$8,995,000
Amount financed:
-$7,196,000
Down payment:
$1,799,000
Closing costs:
$269,850
Rehab costs:
$0
Initial cash invested:
$2,068,850
Square feet:
8,748
Cost per square foot:
$1,028
Monthly rent per square foot:
$0.58

Financing Details

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Loan amount:
$7,196,000
Loan to value ratio:
80.0%
Loan type:
Amortizing
Term:
30 years
Interest rate:
5.875%
Principal & interest:
$42,567
Property tax:
$6,026
Insurance:
$357
Private mortgage insurance (PMI):
$0
Monthly payment:
$48,950

Operating Income

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% Rent Monthly Yearly
Gross rent:
$5,100 $61,200
Vacancy loss: (6%)
6% -$306 -$3,672
Operating income:
$4,794 $57,528

Operating Expenses


% Rent Monthly Yearly
Property taxes: (118%)
118%-$6,026-$72,307
Insurance: (7%)
7%-$357-$4,284
Property management: (8%)
8%-$408-$4,896
Repairs & maintenance: (5%)
5%-$255-$3,060
Capital expenditures: (5%)
5%-$255-$3,060
HOA fees: (n/a)
n/an/an/a
Total operating expenses: (143%)
143%-$7,301-$87,607

Cash Flow


Monthly Yearly
Net operating income:
-$2,507 -$30,084
Mortgage payments:
-$42,567 -$510,804
Cash flow:
$45,074 $540,888