500 S MASHTA DR, Key Biscayne, FL 33149

500 S MASHTA DR, Key Biscayne, FL 33149 is a 6-bedroom, 6-bathroom residential - single family : 1 unit built in 2014 with 10,820 square feet of living space on a 23,814 square foot lot. The property is currently owned by PATRICK C EMANS TRS 500 SOUTH MASHTA LAND TRUST, 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 2021-04-26 for $17,400,000, when ALAIN VIERGUTZ sold to PATRICK C EMANS TRS. There are 3 recorded sales for this property. The 2025 assessed value is $16,143,736 with a market value of $18,279,591.

This breaks down to $14,764,680 for the land and $3,514,911 for the building. The assessed value increased 3% from $15,688,762 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. 500 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 2009 to 2021, with 3 recorded transactions in the public record. The current assessed value represents 93% of the most recent sale price. Based on the most recent sale, this property traded at $1608 per square foot — a key metric for comparing value across Key Biscayne's real estate market..