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$11,800,000

For Sale - Active
21 Chestnut St Unit 23, Boston, MA 02108
4 Beds
7 Baths
6,653 Square Feet
0.05 Acres Lot
Built in 1830
For Sale - Active
2 Units
Checked: 14 hours ago
Updated: Aug 22, 2025 at 06:50AM

Investment Summary


Monthly Cash Flow
-$60,903
Cap Rate
-0.5%
Cash-on-Cash Return
-26.9%
Debt Coverage Ratio
-0.09
Internal Rate of Return (5 years)
-22.0%

Property Description


0.05 Acres Lot
Built in 1830
For Sale - Active
2 Units

Exquisitely marrying historic Beacon Hill character with contemporary design, this 2017 gut renovated 4 bedroom + 2 office townhouse has been thoughtfully designed and expertly crafted! 6 levels of living connected by an elegantly draping oval staircase, this home boasts a parlor level eat in kitchen with concealed top-of-the-line appliances & storage, walk in pantry and breakfast room that are accessible to the enclosed garden. Ideal for formal entertaining the parlor also offers formal living with South facing views of Chestnut St and a large formal dining room. A 2nd floor double parlor features dual gas fireplaces, a fully equipped bar, floor to ceiling windows and a juliet balcony. A private office with access to the deck is also located on this level. A serene primary suite with dressing room, and ultra luxurious marble bath. Separate entrance with enormous mudroom, home gym, A/V system, concealed storage throughout, many custom built-ins, and excellent southern sun light!

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Location


Property Details


Parking

  • Description: Off-Street, Paved Driveway
  • Garage Spaces: 0
  • Spaces Total: 0

Bedroom Information

  • # of Bedrooms: 4

Bathroom Information

  • # of Baths (Full): 4
  • # of Baths (Total): 7.0

Interior Features

  • # of Rooms: 13
  • # of Stories: 2
  • Basement: Yes
  • Basement Description: Full, Finished, Walk-Out Access
  • Fireplace: Yes

Exterior Features

  • Exterior Walls Materials: Siding (Alum/Vinyl)
  • Foundation: Concrete Perimeter
  • Roof Type: Gable

Land Information

  • Land Use: Residential
  • Land Use Subtype: Duplex

Lot Information

  • Parcel ID: HYDEW:18P:11275S:000
  • Lot Size: 2000 sqft

Property Information

  • Property Type: Single Family Residence
  • Style: Victorian
  • Year Built: 1830

Tax Information

  • Annual Tax: $97,177

Utilities

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

Location

  • County: Suffolk

Investment Summary


Monthly Cash Flow
-$60,903
Cap Rate
-0.5%
Cash-on-Cash Return
-26.9%
Debt Coverage Ratio
-0.09
Internal Rate of Return (5 years)
-22.0%

Purchase Details

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Purchase price:
$11,800,000
Amount financed:
-$9,440,000
Down payment:
$2,360,000
Closing costs:
$354,000
Rehab costs:
$0
Initial cash invested:
$2,714,000
Square feet:
6,653
Cost per square foot:
$1,774
Monthly rent per square foot:
$0.66

Financing Details

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Loan amount:
$9,440,000
Loan to value ratio:
80.0%
Loan type:
Amortizing
Term:
30 years
Interest rate:
5.875%
Principal & interest:
$55,841
Property tax:
$8,098
Insurance:
$308
Private mortgage insurance (PMI):
$0
Monthly payment:
$64,247

Operating Income

Find a Property Manager

% Rent Monthly Yearly
Gross rent:
$4,400 $52,800
Vacancy loss: (6%)
6% -$264 -$3,168
Operating income:
$4,136 $49,632

Operating Expenses


% Rent Monthly Yearly
Property taxes: (184%)
184%-$8,098-$97,177
Insurance: (7%)
7%-$308-$3,696
Property management: (8%)
8%-$352-$4,224
Repairs & maintenance: (5%)
5%-$220-$2,640
Capital expenditures: (5%)
5%-$220-$2,640
HOA fees: (n/a)
n/an/an/a
Total operating expenses: (209%)
209%-$9,198-$110,377

Cash Flow


Monthly Yearly
Net operating income:
-$5,062 -$60,744
Mortgage payments:
-$55,841 -$670,092
Cash flow:
-$60,903 -$730,836