Miami-Dade Value property tax analysis

401 Warren Ln, Key Biscayne, FL 33149

3,022 sqft, built 1951, in 100 Appraised at $1,447,080 for 2025.

Miami-Dade County account 2442320040330

Appraised value
$1,447,080
Tax year 2025
Market value
$2,553,420
Living area
3,022 sqft
$479 per sqft
Year built
1951
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.

  • $3,000,000 sale recorded on April-20-2026