670 ALLENDALE RD, Key Biscayne, FL 33149

670 ALLENDALE RD, Key Biscayne, FL 33149 is a 4-bedroom, 2-bathroom residential - single family : 1 unit built in 1950 with 1,464 square feet of living space on a 7,500 square foot lot. The property is currently owned by WILLIAM D ROHRER TOBY B ROHRER, 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 2026-02-02 for $3,475,000. There are 4 recorded sales for this property. The 2025 assessed value is $2,121,312 with a market value of $2,167,542.

This breaks down to $1,950,000 for the land and $217,542 for the building. The assessed value increased 10% from $1,928,466 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.

There are active mortgage liens totaling $760,112 recorded against this property. 670 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 1999 to 2026, with 4 recorded transactions in the public record. The current assessed value represents 61% 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 $2374 per square foot — a key metric for comparing value across Key Biscayne's real estate market..