445 WARREN LN, Key Biscayne, FL 33149

445 WARREN LN, Key Biscayne, FL 33149 is a 4-bedroom, 4-bathroom residential - single family : 1 unit built in 2004 with 4,315 square feet of living space on a 7,633 square foot lot. The property is currently owned by DAVID DEL VILLAR FERNANDEZ TRS DEL VILLAR FAMILY TRUST, recorded as of 2026-04-19. The owner appears to be owner-occupied based on the mailing address matching the property address.

There are 5 recorded sales for this property. The 2025 assessed value is $3,762,067 with a market value of $3,862,915. This breaks down to $1,984,580 for the land and $1,878,335 for the building.

The assessed value increased 3% from $3,656,042 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 $1,901,277 recorded against this property. 445 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 2021 to 2025, with 5 recorded transactions in the public record..