430 GRAND BAY DR 301, Key Biscayne, FL 33149

430 GRAND BAY DR 301, Key Biscayne, FL 33149 is a 3-bedroom, 5.5-bathroom residential - total value : condominium - residential built in 1999 with 3,950 square feet of living space. The property is currently owned by JEFFREY D GROSS EMILIA SOBREIRA GROSS, recorded as of 2026-04-19. The mailing address differs from the property address, suggesting this may be an investment property or rental.

The most recent sale was on 2020-09-14 for $1,950,000, when FLOW GRAND BAY 301 LLC sold to JEFFREY D GROSS . The property has appreciated $1,949,900 (1949900%) since the prior sale of $100 on 2019-07-08. There are 3 recorded sales for this property.

The 2025 assessed value is $3,674,341 with a market value of $3,674,341. The assessed value increased 6% from $3,481,629 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 $170,682, and the median home value is $1,539,500. The population density is 16,591 people per square mile.

There are active mortgage liens totaling $211,183 recorded against this property. 430 GRAND BAY DR 301, 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 2019 to 2020, with 3 recorded transactions in the public record. The current assessed value represents 188% 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 $494 per square foot — a key metric for comparing value across Key Biscayne's real estate market..