Miami-Dade Value property tax analysis

431 N Mashta Dr, Key Biscayne, FL 33149

4,446 sqft, built 1965, in 100 Appraised at $4,851,700 for 2025.

Miami-Dade County account 2452050170040

Appraised value
$4,851,700
Tax year 2025
Market value
$9,301,430
Living area
4,446 sqft
$1,091 per sqft
Year built
1965
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.