Miami-Dade Value property tax analysis

320 Atlantic Rd, Key Biscayne, FL 33149

5,481 sqft, built 2010, in 100 Appraised at $3,176,560 for 2025.

Miami-Dade County account 2442320030380

Appraised value
$3,176,560
Tax year 2025
Market value
$5,057,748
Living area
5,481 sqft
$580 per sqft
Year built
2010
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.

Recent sale history

Recent transfers help establish whether the county value is tracking real market behavior.

  • $8,200,000 sale recorded on February-25-2026