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$4,500,000

For Sale - Active
392 Marlborough St Apt 3, Boston, MA 02115
3 Beds
3 Baths
2,590 Square Feet
0.00 Acres Lot
Built in 1899
For Sale - Active
3 Units
Checked: 23 hours ago
Updated: Aug 22, 2025 at 06:09AM

Investment Summary


Monthly Cash Flow
-$19,423
Cap Rate
0.5%
Cash-on-Cash Return
-22.5%
Debt Coverage Ratio
0.09
Internal Rate of Return (5 years)
-17.7%

Property Description


0.00 Acres Lot
Built in 1899
For Sale - Active
3 Units

Magnificent 3+ bedroom penthouse duplex, with direct elevator access to both floors, features incredible private outdoor space, gleaming natural sunlight throughout 15 windows, and 1 outdoor parking space with EV charger. Enter the main floor to a welcoming foyer which leads to a wide open fantastic chef’s kitchen, complete with gas cooking and breakfast bar, coupled with the expansive family room, dining area, and gas fireplace. Custom built-ins offer plenty of storage. The gracious living room showcases a second fireplace and several sitting areas. Adjacent to the living room is the office with an oversized window overlooking picturesque Marlborough Street. A grand staircase, accented by a beautiful skylight, leads to 3 bedrooms beginning with the elegant primary bedroom featuring a spa-like bathroom and 2 large walk-in closets. Two additional guest bedrooms (plus a bath) offer lots of optionality. Enjoy the private roofdeck showcasing 3 sitting areas and panoramic views of Back Bay.

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Location


Property Details


Parking

  • Description: Deeded
  • Details: Assigned, Deeded
  • Garage Spaces: 0
  • Spaces Total: 1

Bedroom Information

  • # of Bedrooms: 3

Bathroom Information

  • # of Baths (Full): 2
  • # of Baths (Partial): 2
  • # of Baths (Total): 3.0

Interior Features

  • # of Rooms: 10
  • # of Stories: 2
  • Fireplace: Yes

Exterior Features

  • Exterior Walls Materials: Brick
  • Roof Type: Mansard

HOA

  • Has HOA: Yes
  • HOA Fee: $1,363/monthly

Land Information

  • Land Use: Residential
  • Land Use Subtype: Condominium Unit

Lot Information

  • Parcel ID: CBOSW:05P:03604S:006
  • Lot Size: 0 sqft

Property Information

  • Property Type: Condominium
  • Year Built: 1899

Tax Information

  • Annual Tax: $43,148

Utilities

  • Water & Sewer: Public
  • Heating: Central
  • Cooling: Central Air

Location

  • County: Suffolk

Investment Summary


Monthly Cash Flow
-$19,423
Cap Rate
0.5%
Cash-on-Cash Return
-22.5%
Debt Coverage Ratio
0.09
Internal Rate of Return (5 years)
-17.7%

Purchase Details

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Purchase price:
$4,500,000
Amount financed:
-$3,600,000
Down payment:
$900,000
Closing costs:
$135,000
Rehab costs:
$0
Initial cash invested:
$1,035,000
Square feet:
2,590
Cost per square foot:
$1,737
Monthly rent per square foot:
$3.82

Financing Details

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Loan amount:
$3,600,000
Loan to value ratio:
80.0%
Loan type:
Amortizing
Term:
30 years
Interest rate:
5.875%
Principal & interest:
$21,295
Property tax:
$3,596
Insurance:
$693
Private mortgage insurance (PMI):
$0
Monthly payment:
$25,584

Operating Income

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% Rent Monthly Yearly
Gross rent:
$9,900 $118,800
Vacancy loss: (6%)
6% -$594 -$7,128
Operating income:
$9,306 $111,672

Operating Expenses


% Rent Monthly Yearly
Property taxes: (36%)
36%-$3,596-$43,148
Insurance: (7%)
7%-$693-$8,316
Property management: (8%)
8%-$792-$9,504
Repairs & maintenance: (5%)
5%-$495-$5,940
Capital expenditures: (5%)
5%-$495-$5,940
HOA fees: (14%)
14%-$1,363-$16,356
Total operating expenses: (75%)
75%-$7,434-$89,204

Cash Flow


Monthly Yearly
Net operating income:
$1,872 $22,464
Mortgage payments:
-$21,295 -$255,540
Cash flow:
$19,423 $233,076