$4,965,000 - $11,688,586
RENTED FEB 7, 2025

640 S Mashta Dr Key Biscayne, FL 33149

Village of Key Biscayne Neighborhood
5 Beds
5 Baths
3,620 Sq Ft
$2,209 Price per Sq Ft

Last Sold October 16, 2024

Last sale price $12,375,000 $3,419 Per Sq Ft

Est. 35% decrease in value since last sale

Current estimated payment $51,274/month

About This Home

As of October 2024

It's Difficult to describe the unique water view view from the moment you step into the house ! visit as soon as you can to experiment such feeling . This home embodies all the charm and elegance of Old Miami .while being incredible Elegant comfortable and livable. Floor-to-ceiling sliding glass doors overlooking pool, can be wide open , integrating the pool area with the house . This home saw unique cocktail parties and its ready for many more. Wonderful beach house style. Bathrooms and kitchen are updated , two Master suites in ground floor with direct Bay views.. Family room. Living room. An additional Guest bedroom in second floor. the feeling of this house is UNIQUE,and please lets not forget the wonderful dock were you can spend hours watching the bay and the most unique sunsets.

Ownership History

Date Name Owned For Owner Type

Purchase Details

Listed on
Jun 25, 2024
Closed on
Oct 10, 2024
Sold by
Selinger Dennis J and Zeiner Carol L
Bought by
640 South Mashta Holdings Llc
Seller's Agent
Shane Graber
Graber Realty Group LLC
Buyer's Agent
Claudia Fontecilla
DLS International Realty
List Price
$13,250,000
Sold Price
$12,375,000
Premium/Discount to List
-$875,000
-6.6%
Views
172
Current Estimated Value
$7,995,862

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
-$4,379,138
Avg. Annual Appreciation
-56.14%

Purchase Details

Closed on
Dec 5, 2018
Sold by
Ambrose Joan J
Bought by
Ambrose Joan

Purchase Details

Closed on
Jun 8, 1999
Sold by
Geneen June H
Bought by
Ambrose Joan J

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$350,000
Interest Rate
6.9%
Mortgage Type
New Conventional

Range of Values:

Collateral Analytics

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ICE

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First American

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Quantarium

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Average Value
Not Available
List Price
Sold Price
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Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Purchase History

Date Buyer Sale Price Title Company
640 South Mashta Holdings Llc $12,375,000 None Listed On Document
Ambrose Joan -- Attorney
Ambrose Joan J $1,550,000 --
Source: Public Records

Mortgage History

Date Status Borrower Loan Amount
Previous Owner Ambrose Joan J $350,000
Source: Public Records

Property History

Date Event Price Change Sq Ft Price
02/07/2025 02/07/25 Rented $20,000 -9.1% --
12/04/2024 12/04/24 Price Changed $22,000 0.0% $6 / Sq Ft
10/16/2024 10/16/24 Sold $12,375,000 0.0% $3,419 / Sq Ft
10/04/2024 10/04/24 For Rent $27,000 0.0% --
09/20/2024 09/20/24 Pending -- -- --
08/20/2024 08/20/24 For Sale $13,250,000 +7.1% $3,660 / Sq Ft
08/19/2024 08/19/24 Off Market $12,375,000 -- --
08/05/2024 08/05/24 Price Changed $13,250,000 -11.7% $3,660 / Sq Ft
06/26/2024 06/26/24 For Sale $15,000,000 -- $4,144 / Sq Ft

Tax History Compared to Growth

Source: Public Records

Tax History

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2024 $80,770 $5,157,166 -- --
2023 $80,770 $5,006,958 $0 $0
2022 $77,770 $4,861,125 $0 $0
2021 $78,116 $4,719,539 $0 $0
2020 $76,240 $4,654,378 $0 $0
2019 $74,698 $4,549,735 $0 $0
2018 $70,884 $4,464,902 $0 $0
2017 $70,022 $4,373,068 $0 $0
2016 $70,220 $4,283,123 $0 $0
2015 $71,257 $4,253,350 $0 $0
2014 $72,343 $4,219,594 $0 $0
Source: Public Records

Agents Affiliated with this Home

  • Brigitte De Langeron

    Seller's Agent in 2025

    Brigitte De Langeron

    DLS International Realty

    (305) 459-3875

    31 in this area

    37 Total Sales

    Brigitte De Langeron
    Section Image

  • N

    Buyer's Agent in 2025

    NON-MLS MEMBER

    MAR NON MLS MEMBER

  • Shane Graber

    Seller's Agent in 2024

    Shane Graber

    Graber Realty Group LLC

    (305) 606-2200

    5 in this area

    182 Total Sales

    Shane Graber
    Section Image

  • C

    Buyer's Agent in 2024

    Claudia Fontecilla

    DLS International Realty

    (305) 799-9680

    2 in this area

    2 Total Sales

    Claudia Fontecilla
    Section Image
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Map

Florida Miami/Dade County Key Biscayne 33149 Village of Key Biscayne

640 S Mashta Dr, Key Biscayne, FL

Homes for Sale in Key Biscayne, FL

This home is located at 640 S Mashta Dr, Key Biscayne, FL 33149 and is currently estimated at $7,995,862, approximately $2,208 per square foot. 640 S Mashta Dr is a home located in Miami-Dade County with nearby schools including Key Biscayne K-8 Center, Ponce de Leon Middle School, and Coral Gables Senior High School.

Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.