Miami-Dade Value property tax analysis

510 S Mashta Dr, Key Biscayne, FL 33149

5,274 sqft, built 1981, in 100 Appraised at $11,275,726 for 2025.

Miami-Dade County account 2452050090190

Appraised value
$11,275,726
Tax year 2025
Market value
$12,476,235
Living area
5,274 sqft
$2,138 per sqft
Year built
1981
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.