561 ALLENDALE RD, Key Biscayne, FL 33149

561 ALLENDALE RD, Key Biscayne, FL 33149 is a 4-bedroom, 2-bathroom residential - single family : 1 unit built in 1950 with 2,473 square feet of living space on a 7,227 square foot lot. The property is currently owned by BANYAK 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 2025-07-14 for $3,726,000. There are 4 recorded sales for this property. The 2025 assessed value is $2,143,379 with a market value of $2,543,861.

This breaks down to $1,879,020 for the land and $664,841 for the building. The assessed value increased 3% from $2,082,973 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 $1,512,700 recorded against this property. 561 ALLENDALE RD, 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 2025, with 4 recorded transactions in the public record. The current assessed value represents 58% of the most recent sale price.

This low ratio may suggest the property is under-assessed relative to market value, common after recent improvements or a competitive purchase. Based on the most recent sale, this property traded at $1507 per square foot — a key metric for comparing value across Key Biscayne's real estate market..