299 W MASHTA DR, Key Biscayne, FL 33149

299 W MASHTA DR, Key Biscayne, FL 33149 is a 4-bedroom, 5-bathroom residential - single family : 1 unit built in 1951 with 3,651 square feet of living space on a 8,564 square foot lot. The property is currently owned by DANIEL MONTIEL JESSICA MANCO, 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 2024-06-20 for $3,700,000. There are 4 recorded sales for this property. The 2025 assessed value is $2,803,430 with a market value of $2,803,430.

This breaks down to $2,226,640 for the land and $576,790 for the building. The assessed value increased 86% from $1,503,444 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 $2,898,102 recorded against this property. 299 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 2001 to 2024, with 4 recorded transactions in the public record. The current assessed value represents 76% of the most recent sale price.

Based on the most recent sale, this property traded at $1013 per square foot — a key metric for comparing value across Key Biscayne's real estate market..