269 W MASHTA DR, Key Biscayne, FL 33149

269 W MASHTA DR, Key Biscayne, FL 33149 is a 5-bedroom, 4-bathroom residential - single family : 1 unit built in 1951 with 2,867 square feet of living space on a 8,500 square foot lot. The property is currently owned by JONATHAN AMPE LAURE BOISBOUVIER, recorded as of 2026-04-19. The owner appears to be owner-occupied based on the mailing address matching the property address.

The most recent sale was on 2025-01-29 for $2,855,000. There are 5 recorded sales for this property. The 2025 assessed value is $793,586 with a market value of $2,645,373.

This breaks down to $2,210,000 for the land and $435,373 for the building. The assessed value increased 3% from $771,221 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. There are active mortgage liens totaling $1,181,511 recorded against this property. 269 W 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 1996 to 2025, with 5 recorded transactions in the public record. The current assessed value represents 28% of the most recent sale price.

This low ratio may suggest the property is under-assessed relative to market value, common after recent improvements or a competitive purchase. Based on the most recent sale, this property traded at $996 per square foot — a key metric for comparing value across Key Biscayne's real estate market..