544 WARREN LN, Key Biscayne, FL 33149

544 WARREN LN, Key Biscayne, FL 33149 is a 3-bedroom, 1-bathroom residential - single family : 1 unit built in 1951 with 1,044 square feet of living space on a 7,828 square foot lot. The property is currently owned by 544 WARREN 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 2020-06-18 for $1,052,500, when I EDWARD LONDON sold to 544 WARREN LLC . The property has appreciated $54,500 (5%) since the prior sale of $998,000 on 2012-04-16. There are 3 recorded sales for this property.

The 2025 assessed value is $1,648,697 with a market value of $2,216,694. This breaks down to $2,035,280 for the land and $181,414 for the building. The assessed value increased 10% from $1,498,816 in 2024.

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. 544 WARREN LN, 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 1973 to 2020, with 3 recorded transactions in the public record. The current assessed value represents 157% 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 $1008 per square foot — a key metric for comparing value across Key Biscayne's real estate market..