4455 ALTON RD, Miami Beach, FL 33140

4455 ALTON RD, Miami Beach, FL 33140 is a 4-bedroom, 3-bathroom residential - single family : 1 unit built in 1938 with 1,795 square feet of living space on a 10,419 square foot lot. The property is currently owned by 4455A LLC, recorded as of 2026-03-29. The owner appears to be owner-occupied based on the mailing address matching the property address.

The most recent sale was on 2025-09-11 for $1,870,000. There are 4 recorded sales for this property. The 2025 assessed value is $1,169,040 with a market value of $1,722,604.

This breaks down to $1,667,136 for the land and $55,468 for the building. The assessed value increased 3% from $1,136,094 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 $153,229, and the median home value is $1,162,800.

The population density is 4,659 people per square mile. There are active mortgage liens totaling $1,206,381 recorded against this property. 4455 ALTON RD, Miami Beach, FL 33140 is located in Miami Beach, Florida.

Property records, tax assessments, sales history, and ownership information for this Miami Beach property are sourced from miami_dade County public records. The complete ownership history of this property spans from 2011 to 2025, with 4 recorded transactions in the public record. The current assessed value represents 63% 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 $1042 per square foot — a key metric for comparing value across Miami Beach's real estate market..