315 W HEATHER DR, Key Biscayne, FL 33149

315 W HEATHER DR, Key Biscayne, FL 33149 is a 5-bedroom, 4-bathroom residential - single family : 1 unit built in 1994 with 2,563 square feet of living space on a 8,025 square foot lot. The property is currently owned by MORELLA GROSSMANN, recorded as of 2026-03-29. The owner appears to be owner-occupied based on the mailing address matching the property address.

The most recent sale was on 2020-09-23 for $2,040,000, when ADOLFO JOSE MALAVE sold to MORELLA GROSSMANN. The property has appreciated $2,039,900 (2039900%) since the prior sale of $100 on 2020-02-21. There are 3 recorded sales for this property.

The 2025 assessed value is $2,745,185 with a market value of $2,745,185. This breaks down to $2,086,500 for the land and $658,685 for the building. The assessed value increased 27% from $2,170,009 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 $1,600,000 recorded against this property.

315 W HEATHER 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 2004 to 2020, with 3 recorded transactions in the public record.

The current assessed value represents 135% of the most recent sale price. This high ratio could indicate the property was purchased below market value — a potential sign of a distressed sale or off-market deal. Based on the most recent sale, this property traded at $796 per square foot — a key metric for comparing value across Key Biscayne's real estate market..