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420 Harbor Dr, Key Biscayne, FL 33149

$69,238,092

Last sold date unavailable

  • 7

    bed

  • 5

    bath

  • 10,847

    Sqft ($6,383/Sqft)

House not for sale
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About 420 Harbor Dr

Property type House
Neighborhood
Year built 2015
HOA fee $0/month
Lot size 0.54 Acre
Movoto estimate
Property description
This 7-bedroom, 5-bathroom single-family home is located at 420 Harbor Dr, Key Biscayne, FL, 33149, in the Village of Key Biscayne neighborhood in Miami-dade County and was built in 2015. This home offers 10,847 square feet of living space on a 23,652 sq ft lot.
$69.2M
Range: $62.3M-$76.1M
Last 30 days 
  • — Off Market
    —
  • Dec 2016
  • Dec 11, 2016 Cancelled
    —
  • Apr 20, 2015 Listed
    $29,700,000 (+6.1%)
  • Apr 2015
  • Apr 20, 2015 Listed
    $29,700,000
  • Jan 2012
  • Jan 12, 2012 Listed
    $28,000,000 (+12.0%)
  • Jun 2010
  • Jun 18, 2010 Listed
    $25,000,000 (+92.8%)
  • Jul 2006
  • Jul 27, 2006 Listed
    $12,970,000
  • Mar 2006
  • Mar 13, 2006 Listed
    $12,970,000
  • Sep 2005
  • Sep 7, 2005 Listed
    $12,970,000
  • Year Property taxes Tax assessment
  • 2025
    $273,386 +16.4%
    $19,190,951 +26.94%
  • 2024
    $234,797 +7.5%
    $15,117,634 +8.31%
  • 2023
    $218,488 +9.2%
    $13,957,947 +7.08%
  • 2022
    $200,150 +9.4%
    $13,034,781 +17.72%
  • 2021
    $183,018 +0.1%
    $11,072,591
  • 2020
    $182,840 -0.4%
    $11,072,591 -0.15%
  • 2019
    $183,573 +3.2%
    $11,089,372 -0.15%
  • 2018
    $177,898 -0.7%
    $11,106,150 +5.74%
  • 2017
    $179,151 +2.4%
    $10,502,968 +10.0%
  • 2016
    $174,899 +30.6%
    $9,548,153
  • 2015
    $133,968
    —
  • 420 Harbor Dr
    $69.2M
  • Village of Key Biscayne
    $1.9M -15% y/y
  • 33149
    $1.89M -16% y/y
  • Key Biscayne
    $1.89M -15% y/y
No chart available
Statistics calculated by Movoto
Est. value Bed/bath Sqft mi
452 Harbor Dr, Key Biscayne, FL 33149 $8,739,000 6/6 10,505 0.02
400 Harbor Dr, Key Biscayne, FL 33149 $8,609,000 5/5 8,039 0.02
468 Bay Ln, Key Biscayne, FL 33149 $8,508,000 7/7 6,630 0.04
398 Harbor Dr, Key Biscayne, FL 33149 $14,918,754 3/3 1,806 0.04
441 Harbor Dr, Key Biscayne, FL 33149 $4,715,000 4/4 2,896 0.05
425 Harbor Dr, Key Biscayne, FL 33149 $8,027,000 6/6 4,565 0.05
455 Harbor Dr, Key Biscayne, FL 33149 $4,268,000 3/2 2,300 0.05
401 Harbor Dr, Key Biscayne, FL 33149 $6,192,000 4/3 4,247 0.06

Estimated values are based on public record data and automated valuation models. Values are not guaranteed and may not reflect current market conditions.

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8/10
Key Biscayne K-8 Center
public Grades PK, K-8
Miami-Dade County Public Schools
4/10
Ponce De Leon Middle School
public Grades 6-8
Miami-Dade County Public Schools
6/10
Coral Gables Senior High School
public Grades 9-12
Miami-Dade County Public Schools
Source: GreatSchools.org © 2026. All rights reserved.

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