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$19,900,000

Listing Price

3beds

4baths

3,085sqft

22,140sqft lot

520 S Mashta Dr, Key Biscayne, FL 33149

Member Features

Find Real Estate Bargain!

  • Full foreclosure details

  • Home value, equity and ownership info

  • Find homes priced below market

  • Get full access with a FREE Account

Already a member?

For Sale

Off Market

Single Family

Home type

6450.57

Price / sqft

1961

Year built

Home Details

Interior Details

Square Feet
  • 3085

Bedrooms
  • 3

Bathrooms
  • 4

Heating
  • Has Heating:

    No

  • Heating Type:

    N/A

Cooling
  • Has Cooling:

    No

  • Cooling Type:

    N/A

Fuel
  • Has Fuel:

    No

  • Fuel Type:

    N/A

Basement
  • Has Basement:

    No

  • Basement Type:

    N/A

Flooring
  • Has Flooring:

    No

  • Flooring Type:

    N/A

Fireplace
  • Has Fireplace:

    Yes

  • Fireplace Type:

    N/A

Property Details

Lot Size
  • 22140

Water
  • No

Sewer
  • No

Parking
  • Type:

    N/A

  • Location:

    N/A

  • Status:

    N/A

  • Number of Spaces:

    N/A

Deck
  • N/A

Patio
  • N/A

Fence
  • N/A

Pool
  • N/A

Porch
  • N/A

Stoop
  • N/A

Breezeway
  • N/A

Construction Details

Number of Stories
  • 1

Style
  • N/A

Exterior
  • Concrete Block

Foundation
  • N/A

Roof
  • N/A

Roofing Material
  • N/A

Tax History

Year

Amount

Land

Improvement

Percent Change

Assessment

2020

$148,349

$8,856,000

$125,814

--%

$8,981,814

2019

$148,733

$8,856,000

$126,712

--%

$8,982,712

2018

$143,888

$8,856,000

$127,609

--%

$8,983,609

2017

$167,074

$10,405,800

$128,507

--%

$10,534,307

2016

$162,579

$0

$0

--%

$9,267,533

2014

$140,649

$0

$0

--%

$7,688,036

2013

$120,404

$0

$0

--%

$6,989,124

2011

$103,499

$0

$0

--%

$5,923,694

percent-home-icon

Average Home Price in 33149

Nearby Properties

Zip Code

Price

Bed

Bath

Sqft

Lot

Sold Date

$5,500,000

5 Beds

5 Baths

2,795 Sqft

7,500 Lot (sqft)

Sold 10/30/2026

$3,859,933

5 Beds

4 Baths

2,745 Sqft

12,000 Lot (sqft)

Sold 09/05/2026

$3,562,500

4 Beds

3.5 Baths

3,356 Sqft

7,500 Lot (sqft)

Sold 10/26/2026

$3,390,000

4 Beds

4 Baths

2,861 Sqft

7,500 Lot (sqft)

Sold 10/12/2026

$4,199,000

4 Beds

4 Baths

2,775 Sqft

7,500 Lot (sqft)

Sold 10/12/2026

$9,500,000

5 Beds

4 Baths

3,405 Sqft

11,845 Lot (sqft)

Sold 09/29/2026

$6,350,000

6 Beds

4 Baths

2,761 Sqft

10,000 Lot (sqft)

Sold 10/27/2026

$3,523,383

3 Beds

2 Baths

3,197 Sqft

8,559 Lot (sqft)

Sold 10/27/2026

$22,500,000

4 Beds

5 Baths

3,241 Sqft

15,000 Lot (sqft)

Sold 10/13/2026

percent-home-icon

Calculators

Mortgage

Mortgage Calculator

Calculate your monthly mortgage payments.
Household Income
70,000
$
Home price
19,900,000
$
Down payment
3,980,000
$
Mortgage Rate
6.5
%
Loan Term
Property Tax Rate
1.1
%
Homeowner's Insurance (Annual)
119,400
$
HOA (Monthly)
0
$
PMI
0
$
$128,817
Your Payment
Total Monthly Payment:$128,817
Percent of Income:2208%
Affordable:No

Details for 520 S MASHTA DR

Property Debt

Foreclosure Contact Details