3121 NW 21 AVE, Miami, FL 33142

3121 NW 21 AVE, Miami, FL 33142 is a 4-bedroom, 2-bathroom multifamily 2-9 units : 2 living units built in 1959 with 1,523 square feet of living space on a 5,650 square foot lot. The property is currently owned by JAIME A CASTILLO, recorded as of 2026-03-29. The mailing address differs from the property address, suggesting this may be an investment property or rental.

The most recent sale was on 2014-05-30 for $136,500, when FEDERAL NATIONAL MORTGAGE ASSN sold to JAIME A CASTILLO. The property has appreciated $21,400 (19%) since the prior sale of $115,100 on 2013-06-17. There are 3 recorded sales for this property.

The 2025 assessed value is $245,729 with a market value of $374,783. This breaks down to $282,500 for the land and $92,283 for the building. The assessed value increased 10% from $223,390 in 2024.

The median household income in this area is $23,516, and the median home value is $207,400. The population density is 14,926 people per square mile. 3121 NW 21 AVE, Miami, FL 33142 is located in Miami, Florida.

Property records, tax assessments, sales history, and ownership information for this Miami property are sourced from miami_dade County public records. The complete ownership history of this property spans from 2005 to 2014, with 3 recorded transactions in the public record. The current assessed value represents 180% 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 $90 per square foot — a key metric for comparing value across Miami's real estate market..