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$15,500,000

For Sale - Active
5660 Alpine Rd, Portola Valley, CA 94028
6 Beds
11 Baths
14,500 Square Feet
41.72 Acres Lot
Built in 2006
For Sale - Active
Units n/a
Checked: 17 hours ago
Updated: Aug 19, 2025 at 03:25PM

Investment Summary


Potential Missing Expenses

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

Monthly Cash Flow
-$71,476
Cap Rate
0.5%
Cash-on-Cash Return
-24.1%
Debt Coverage Ratio
0.09
Internal Rate of Return (5 years)
-19.2%

Property Description


41.72 Acres Lot
Built in 2006
For Sale - Active
Units n/a

Completed in 2006, this magnificent vineyard estate is the perfect place to escape from the fast daily pace of Silicon Valley. The approximately 41 acres are as peaceful as they are beautiful, with spectacular top-of-the-world San Francisco Bay views. Arriving on the front terrace is as if stepping into the Italian countryside. The scale of the home is destined for grand entertaining spilling out to exceptional front and rear terraces. The kitchen is a culinary retreat with commercial-quality appliances, and the wine cellar awaits a sizable collection. Multiple rooms for everyday living, a theatre, plus a well-being center with spa, steam, and sauna add luxurious touches. Both 5660 Alpine Road and APN 080-040-120 are being offered for sale together.

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Location


Property Details


Parking

  • Description: Attached
  • Details: Attached, Garage
  • Garage Spaces: 4
  • Spaces Total: 0

Bedroom Information

  • # of Bedrooms: 6

Bathroom Information

  • # of Baths (Full): 9
  • # of Baths (Partial): 2
  • # of Baths (Total): 11.0

Interior Features

  • # of Rooms: 12
  • # of Stories: 1
  • Basement: Yes
  • Fireplace: Yes

Exterior Features

  • Pool: Yes

Land Information

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

Lot Information

  • Parcel ID: 080040110
  • Lot Size: 1817236 sqft

Property Information

  • Property Type: Single Family Residence
  • Year Built: 2006

Tax Information

  • Annual Tax: $0

Utilities

  • Heating: Forced Air
  • Cooling: Central Air

Location

  • County: San Mateo

Listing Details


Listed by:
Coldwell Banker Realty
(415) 377-2924

Source:
bridgeMLS
MLS#: ML81803721
bridgeMLS

Investment Summary


Potential Missing Expenses

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

Monthly Cash Flow
-$71,476
Cap Rate
0.5%
Cash-on-Cash Return
-24.1%
Debt Coverage Ratio
0.09
Internal Rate of Return (5 years)
-19.2%

Purchase Details

Find an Agent

Purchase price:
$15,500,000
Amount financed:
-$12,400,000
Down payment:
$3,100,000
Closing costs:
$465,000
Rehab costs:
$0
Initial cash invested:
$3,565,000
Square feet:
14,500
Cost per square foot:
$1,069
Monthly rent per square foot:
$0.69

Financing Details

Find a Lender

Loan amount:
$12,400,000
Loan to value ratio:
80.0%
Loan type:
Amortizing
Term:
30 years
Interest rate:
6.500%
Principal & interest:
$78,376
Property tax:
$0
Insurance:
$700
Private mortgage insurance (PMI):
$0
Monthly payment:
$79,076

Operating Income

Find a Property Manager

% Rent Monthly Yearly
Gross rent:
$10,000 $120,000
Vacancy loss: (6%)
6% -$600 -$7,200
Operating income:
$9,400 $112,800

Operating Expenses


% Rent Monthly Yearly
Property taxes: (n/a)
n/an/an/a
Insurance: (7%)
7%-$700-$8,400
Property management: (8%)
8%-$800-$9,600
Repairs & maintenance: (5%)
5%-$500-$6,000
Capital expenditures: (5%)
5%-$500-$6,000
HOA fees: (n/a)
n/an/an/a
Total operating expenses: (25%)
25%-$2,500-$30,000

Cash Flow


Monthly Yearly
Net operating income:
$6,900 $82,800
Mortgage payments:
-$78,376 -$940,512
Cash flow:
$71,476 $857,712