731 S MASHTA DR, Key Biscayne, FL 33149

Parcel: 2452050080220 · Residential - Single Family · 1 Unit · Zoning: 2001

Assessed Value (2025)
$914,365

Property Details

Beds
3
Baths
3
Living Sqft
3,481
Year Built
1959
Lot Sqft
10,000
Stories
1
RESIDENTIAL - SINGLE FAMILY : 1 UNIT

Sales History

1
$362,000
1987-06-01
2
$512,000+41%
1995-04-01
3
$100non-market transfer
2022-02-11
JORGE L BLANCO &W MARIA LUISA JORGE LUIS BLANCO TRS
4
N/A
2022-02-15

Tax Assessment History

$914,365
Assessed (2025)
$3,479,919
Market Value
$863,643
Taxable Value
$17,583
Annual Tax
2024
$888,596
$3,205,616
2025
$914,365
$3,479,919
Assessed Market
View detailed table
YearAssessedMarketTaxableTax
2025 $914,365 $3,479,919 $863,643 $17,583
2024 $888,596 $3,205,616 $838,596 $17,073

About 731 S MASHTA DR, Key Biscayne, FL 33149

731 S MASHTA DR, Key Biscayne, FL 33149 is a 3-bedroom, 3-bathroom residential - single family : 1 unit built in 1959 with 3,481 square feet of living space on a 10,000 square foot lot. The property is currently owned by JORGE LUIS BLANCO TRS THE BLANCO ALVAREZ FAMILY TR, recorded as of 2026-04-19. The mailing address differs from the property address, suggesting this may be an investment property or rental.

There are 4 recorded sales for this property. The 2025 assessed value is $914,365 with a market value of $3,479,919. This breaks down to $3,100,000 for the land and $379,919 for the building.

The assessed value increased 3% from $888,596 in 2024. The property has the following tax exemptions: homestead. This property is located in FEMA Flood Zone AE, a Special Flood Hazard Area with a 1% annual chance of flooding (100-year floodplain).

Flood insurance is typically required by lenders for properties in this zone. The median household income in this area is $250,001, and the median home value is $2,000,001. The population density is 3,407 people per square mile.

731 S MASHTA DR, Key Biscayne, FL 33149 is located in Key Biscayne, Florida. Property records, tax assessments, sales history, and ownership information for this Key Biscayne property are sourced from miami_dade County public records. The complete ownership history of this property spans from 1987 to 2022, with 4 recorded transactions in the public record..

Current Owner

JORGE LUIS BLANCO TRS THE BLANCO ALVAREZ FAMILY TR
731 SOUTH MASHTA DR, KEY BISCAYNE, FL, 33149
Since: 2026-04-19
View owner profile →

Flood Zone

Zone AE
Special Flood Hazard Area

Est. Annual Insurance

$11,372 — $20,916
Flood $400 — $800
Property/Wind $10,972 — $20,116

Estimate based on FEMA flood zone, property value, and year built. Actual premiums vary based on elevation, mitigation features, roof condition, and insurer. Not a quote.

Neighborhood

Median Income$250,001
Median Home Value$2,000,001
Pop. Density3,407/sq mi

Neighborhood 33149

34.2%
Owner-Occ
65.8%
Investor
119
Flips (4yr)
3,025
New Biz (3yr)
Distress Risk
MODERATE
36
View full risk analysis →
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