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$1,750,000

For Sale - Active
1666 Washington St Apt 3, Boston, MA 02118
3 Beds
3 Baths
1,646 Square Feet
0.04 Acres Lot
Built in 1899
For Sale - Active
Units n/a
Checked: 7 hours ago
Updated: Jun 12, 2025 at 03:28AM

Investment Summary


Potential Missing Expenses

We noticed that HOA fees are missing—this is a standard expense and should be considered in your estimate.

Monthly Cash Flow
-$6,253
Cap Rate
2.0%
Cash-on-Cash Return
-18.6%
Debt Coverage Ratio
0.32
Internal Rate of Return (5 years)
-14.0%

Property Description


0.04 Acres Lot
Built in 1899
For Sale - Active
Units n/a

Experience elevated living in this stunning 3-bed, 3-bath penthouse duplex, perfectly positioned in the South End. Spanning two thoughtfully designed levels, this one-of-a-kind residence blends modern sophistication with timeless design.The open-concept main floor boasts soaring ceilings, oversized windows, skylights, a full bath, and sun-drenched living spaces with sweeping city views. A custom kitchen features high-end appliances, sleek cabinetry, and an oversized island for entertaining. The spacious living and dining areas flow effortlessly onto a large private roof deck. On the bedroom level, a serene primary suite offers an en-suite bath with steam shower and generous closet space. Two additional rooms provide flexibility for bedrooms, home offices, or creative spaces—sharing a separate bathroom with tub.With central A/C, in-unit laundry, and the possibility of nearby rental garage parking, this exceptional home offers the best of luxury and urban convenience.

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Location


Property Details


Parking

  • Garage Spaces: 0
  • Spaces Total: 0

Bedroom Information

  • # of Bedrooms: 3

Bathroom Information

  • # of Baths (Full): 3
  • # of Baths (Partial): 1
  • # of Baths (Total): 3.0

Interior Features

  • # of Rooms: 4
  • # of Stories: 2
  • Fireplace: Yes

Exterior Features

  • Exterior Walls Materials: Brick
  • Roof Type: Gable

HOA

  • Has HOA: Yes
  • HOA Fee: $300

Land Information

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

Lot Information

  • Parcel ID: CBOSW:08P:01444S:006
  • Lot Size: 1646 sqft

Property Information

  • Property Type: Condominium
  • Year Built: 1899

Tax Information

  • Annual Tax: $16,740

Utilities

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

Location

  • County: Suffolk

Investment Summary


Potential Missing Expenses

We noticed that HOA fees are missing—this is a standard expense and should be considered in your estimate.

Monthly Cash Flow
-$6,253
Cap Rate
2.0%
Cash-on-Cash Return
-18.6%
Debt Coverage Ratio
0.32
Internal Rate of Return (5 years)
-14.0%

Purchase Details

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Purchase price:
$1,750,000
Amount financed:
-$1,400,000
Down payment:
$350,000
Closing costs:
$52,500
Rehab costs:
$0
Initial cash invested:
$402,500
Square feet:
1,646
Cost per square foot:
$1,063
Monthly rent per square foot:
$3.77

Financing Details

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Loan amount:
$1,400,000
Loan to value ratio:
80.0%
Loan type:
Amortizing
Term:
30 years
Interest rate:
6.810%
Principal & interest:
$9,136
Property tax:
$1,395
Insurance:
$434
Private mortgage insurance (PMI):
$0
Monthly payment:
$10,965

Operating Income

Find a Property Manager

% Rent Monthly Yearly
Gross rent:
$6,200 $74,400
Vacancy loss: (6%)
6% -$372 -$4,464
Operating income:
$5,828 $69,936

Operating Expenses


% Rent Monthly Yearly
Property taxes: (23%)
23%-$1,395-$16,740
Insurance: (7%)
7%-$434-$5,208
Property management: (8%)
8%-$496-$5,952
Repairs & maintenance: (5%)
5%-$310-$3,720
Capital expenditures: (5%)
5%-$310-$3,720
HOA fees: (n/a)
n/an/an/a
Total operating expenses: (48%)
48%-$2,945-$35,340

Cash Flow


Monthly Yearly
Net operating income:
$2,883 $34,596
Mortgage payments:
-$9,136 -$109,632
Cash flow:
$6,253 $75,036