Miami-Dade County  »  33149  »  S Mashta Dr  »  640 S Mashta Dr

640 South Mashta Drive, Key Biscayne, FL 33149 - Property report

Also known as: 640 S Mashta Dr

Property image for 640 South Mashta Drive, Key Biscayne, FL 33149
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Property type

Residential - Single Family: 1 Unit (0101)

Year built

1968

Acreage

0.344

Sale price

$12,375,000

General information

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Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Primary address
640 South Mashta Drive
ZIP code
33149
County
Miami-Dade
Municipality
24
Neighborhood
245205008
Parcel ID
2452050080320

Owner

Find out who owns 640 South Mashta Drive, Key Biscayne, FL 33149. Uncover corporate and individual owners with a free account.

Sales
Sale date
10/18/2024
Sale price
$12,375,000
Arm's length
Tax
Tax year
2025
Current property tax
$153,719
Building
Property type
Residential - Single Family: 1 Unit (0101)
Building sq. ft.
4,990
Buildings on lot
1
Stories
2
Year built
1968
Bedrooms
4
Bathrooms
4
Lot
Acreage
0.344
Zoning & Use
Zoning
Island Residential (IR)
Units
1

Area overview

Walk score
5 /100.  Car-Dependent
Transit score
0 /100.  Minimal Transit
Bike score
33 /100.  Somewhat Bikeable
School district
Miami-Dade County Public Schools
Broadband internet providers and speed map
Types of broadband connections
Ownership

Ownership information for 640 South Mashta Drive, Key Biscayne, FL

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 640 South Mashta Drive, Key Biscayne, FL 33149

Sale date Sale price Buyer name Seller name
10/18/2024 $12,375,000 XXX XXXXX XXXXXX XXXXXXXX XXX XXXX X XXXXXXX XXXXXXXXXXX XX XXXXX; XXXXXX XXXXX X; XXXXXXXX XXXXXX X
12/05/2018 $10 XXXX X XXXXXXX XXXXXXXXXXX XX XXXXX XXXXXXX XXXX X
06/15/1999 $1,550,000 XXXXXXX, XXXX X XXXXXX, XXXX X

*Most recent sales on record for this property.

More about Miami-Dade County property records.

Title documents

Date Type Amount Party 1 Party 2 Doc #
10/24/2024 - R
10/18/2024 - D		 Deed XXXX X XXXXXXX XXXXXXXXXXX XX XXXXX XXX XXXXX XXXXXX XXXXXXXX XXX
12/11/2018 - R
12/05/2018 - D		 Quit Claim Deed XXXXXXX XXXX X XXXX X XXXXXXX XXXXXXXXXXX XX XXXXX
06/15/1999 - D
06/08/1999 - R		 Mortgage XXXXXXX, XXXX X &X XXXXXX XXXXXXXXX XXX XX XXX
06/15/1999 - D
06/08/1999 - R		 Deed XXXXXX, XXXX X XXXXXXX, XXXX X
05/13/1999 - D
05/06/1999 - R		 Quit Claim Deed XXXXXX, XXXX X XXXXX XXX XXXXXX XXX
05/13/1999 - D
05/06/1999 - R		 Probate Order of Distribution XXXXXX, XXXXXX X XXX XX XXXXXX XXXX X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 640 South Mashta Drive, Key Biscayne, FL

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025
Property tax
$153,719
Recent tax assessments
Market value
$9,910,420
Land value
$9,300,000
Building value
$610,420
Assessed value
$9,910,420

More about Miami-Dade County Property Taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Market value Assessed value Tax rate Property tax Y-o-Y change
2025 $9,910,420 $9,910,420 15.5108 $153,719 +43.62%
2024 $9,165,286 $5,157,166 15.6226 $107,030 +4.79%
2023 $8,390,152 $5,006,958 15.8731 $102,140 +6.17%
2022 $7,738,634 $4,861,125 15.8911 $96,209 +5.17%
2021 $6,690,177 $4,719,539 16.4556 $91,475 -14.36%
2020 $6,469,194 $4,654,378 16.5103 $106,808 -0.31%
2019 $6,473,238 $4,549,735 16.5514 $107,141 +3.28%
2018 $6,477,517 $4,464,902 16.0154 $103,740 -14.74%
2017 $7,531,792 $4,373,068 16.1542 $121,670 -2.36%
2016 $7,536,071 $4,283,123 16.5356 $124,613 +20.92%
Permits

Permit information for 640 South Mashta Drive, Key Biscayne, FL

No recently recorded permits for this property.

Neighborhood

Risk

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FEMA flood zones

FEMA flood zones
AE

Transportation

Daily traffic map
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Access the detailed traffic volume map for 640 South Mashta Drive, Key Biscayne, FL 33149 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Key Biscayne K-8 Center 8 Public PK, K-8 921 0.63
Key Biscayne K-8 Center 8 Public PK, K-8 921 0.63
Key Biscayne Presbyterian School NR Private PK-1 160 1.13
Key Biscayne Presbyterian School NR Private PK-1 160 1.13
St Christophers Montessori NR Private PK-5 103 1.19
St Christophers Montessori NR Private PK-5 103 1.19
St Agnes Academy NR Private PK-8 498 1.22
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Key Biscayne K-8 Center 8 Public PK, K-8 921 0.63
St Agnes Academy NR Private PK-8 498 1.22
Mast Academy 10 Public 6-12 1,535 3.79
Amikids Miami-Dade South NR Public 6-12 14 3.88
Ransom Everglades School NR Private 6-8 0 4.87
Ransom Everglades School NR Private 6-12 1,084 5.02
Ransom Everglades School NR Private 6-12 1,079 5.02
Carrollton School of the Sacred NR Private PK, K-12 847 5.06
Southside Elementary School 7 Public PK, K-8 929 5.47
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Mast Academy 10 Public 6-12 1,535 3.79
Amikids Miami-Dade South NR Public 6-12 14 3.88
Immaculata-La Salle High School NR Private 9-12 869 4.70
Immaculata-La Salle High School NR Private 9-12 0 4.71
Ransom Everglades School NR Private 6-12 1,084 5.02
Ransom Everglades School NR Private 6-12 1,079 5.02
Carrollton School of the Sacred NR Private PK, K-12 847 5.06
Academy Of Arts & Minds NR Charter 9-12 297 5.26
Mater Brickell Academy High 9 Charter 9-12 235 5.43

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 640 South Mashta Drive, Key Biscayne, FL

621 N Mashta Dr, Key Biscayne 611 N Mashta Dr, Key Biscayne 730 S Mashta Dr, Key Biscayne 571 N Mashta Dr, Key Biscayne 700 S Mashta Dr, Key Biscayne 720 S Mashta Dr, Key Biscayne 601 N Mashta Dr, Key Biscayne 660 S Mashta Dr, Key Biscayne 710 S Mashta Dr, Key Biscayne 591 N Mashta Dr, Key Biscayne 511 N Mashta Dr, Key Biscayne 745 N Mashta Dr, Key Biscayne 561 N Mashta Dr, Key Biscayne 551 N Mashta Dr, Key Biscayne 501 N Mashta Dr, Key Biscayne 650 S Mashta Dr, Key Biscayne 670 S Mashta Dr, Key Biscayne 741 S Mashta Dr, Key Biscayne 731 S Mashta Dr, Key Biscayne 740 S Mashta Dr, Key Biscayne

Nearby ZIP codes for 640 South Mashta Drive, Key Biscayne, FL

33101, Miami-Dade County, FL 33109, Miami-Dade County, FL 33125, Miami-Dade County, FL 33127, Miami-Dade County, FL 33128, Miami-Dade County, FL 33129, Miami-Dade County, FL 33130, Miami-Dade County, FL 33132, Miami-Dade County, FL 33133, Miami-Dade County, FL 33135, Miami-Dade County, FL 33136, Miami-Dade County, FL 33137, Miami-Dade County, FL 33139, Miami-Dade County, FL 33140, Miami-Dade County, FL 33142, Miami-Dade County, FL 33145, Miami-Dade County, FL 33146, Miami-Dade County, FL

Frequently asked questions

What is the year built for 640 South Mashta Drive, Key Biscayne, FL 33149?

The development at 640 South Mashta Drive, Key Biscayne, FL 33149 was built in 1968.

What is the total square footage of 640 South Mashta Drive, Key Biscayne, FL 33149?

640 South Mashta Drive, Key Biscayne, FL 33149 has a total of 4,990 square feet.

When was 640 South Mashta Drive, Key Biscayne, FL 33149 last sold and what was the sale price?

640 South Mashta Drive, Key Biscayne, FL 33149 was last sold on 10/18/2024 for $12,375,000.

What is the assessed value of 640 South Mashta Drive, Key Biscayne, FL 33149?

640 South Mashta Drive, Key Biscayne, FL 33149 is currently assessed at $9,910,420.

What are the property taxes for 640 South Mashta Drive, Key Biscayne, FL 33149?

The property taxes for 640 South Mashta Drive, Key Biscayne, FL 33149 total $153,718.

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