691 WARREN LN, Key Biscayne, FL 33149

691 WARREN LN, Key Biscayne, FL 33149 is a 4-bedroom, 3-bathroom residential - single family : 1 unit built in 1950 with 2,488 square feet of living space on a 7,478 square foot lot. The property is currently owned by CARLOS LUCHSINGER MARIA LUCHSINGER, 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 2016-12-21 for $100, when KEVIN SCHOLZ TRS sold to KEVIN SCHOLZ. The 2025 assessed value is $1,302,041 with a market value of $2,257,288. This breaks down to $1,944,280 for the land and $313,008 for the building.

The assessed value increased 3% from $1,265,346 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.

691 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 2016 to 2016, with 2 recorded transactions in the public record..