140 W MASHTA DR, Key Biscayne, FL 33149

140 W MASHTA DR, Key Biscayne, FL 33149 is a 4-bedroom, 2.5-bathroom residential - single family : 1 unit built in 1950 with 2,861 square feet of living space on a 7,500 square foot lot. The property is currently owned by BCKB II LLC, recorded as of 2026-03-29. The mailing address differs from the property address, suggesting this may be an investment property or rental.

The most recent sale was on 2024-12-11 for $3,150,000. There are 4 recorded sales for this property. The 2025 assessed value is $2,419,091 with a market value of $2,419,091.

This breaks down to $1,950,000 for the land and $469,091 for the building. The assessed value increased 26% from $1,927,500 in 2024. 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 $1,248,109 recorded against this property. 140 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 1998 to 2024, with 4 recorded transactions in the public record. The current assessed value represents 77% of the most recent sale price.

Based on the most recent sale, this property traded at $1101 per square foot — a key metric for comparing value across Key Biscayne's real estate market..