Miami-Dade Value property tax analysis

521 S Mashta Dr, Key Biscayne, FL 33149

6,019 sqft, built 2012, in 100 Appraised at $3,618,420 for 2025.

Miami-Dade County account 2452050090320

Appraised value
$3,618,420
Tax year 2025
Market value
$4,944,161
Living area
6,019 sqft
$601 per sqft
Year built
2012
5
Homestead
Yes
Owner-occupied exemption on file

Why this page matters for a protest

A strong tax protest page needs the county value, property facts, and enough context to compare this home with similar properties nearby. This page gives homeowners a starting point before reviewing comparable homes and prior-year changes.