$31,202,800
- 7 Beds
- 8 Baths
- 10,762 sqft (on 0.54 acres)
420 Harbor Dr, Key Biscayne, FL 33149
Est. Refi. Payment $205,697/mo*
Refinance Your HomeCurrently Off Market - Sold Jul 16, 2002 for $4,100,000
Home Value
Trulia Estimate
$31.2MSince last month
Increased$468K (+1.5%)Since last year
Increased$4M (+16.4%)Since last sale
Increased$27M (+661%)Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.
Trulia Estimate
The of this home's value increased by +25% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| August 2026 | $31.2M |
| July 2026 | $30.73M |
| June 2026 | $30.76M |
| May 2026 | $28.23M |
| April 2026 | $27.89M |
| March 2026 | $27.38M |
| February 2026 | $27.44M |
| January 2026 | $25.92M |
2025 | |
2024 | |
2023 | |
2022 | |
2021 | |
2020 | |
2019 | |
2018 | |
2017 | |
2016 | |
Comparable sales
These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.31 | Single-Family Home | $17,500,000 | 07/08/26 | 7 | 7.5 | 6,240 | |
0.29 | Single-Family Home | $4,200,000 | 03/27/26 | 6 | 5.5 | 3,436 | |
0.28 | Single-Family Home | $4,950,000 | 04/20/26 | 6 | 6 | 3,888 | |
0.26 | Single-Family Home | $23,500,000 | 07/06/26 | 3 | 5 | 10,926 | |
0.18 | Single-Family Home | $4,400,000 | 04/08/26 | 5 | 5 | 3,230 | |
0.33 | Single-Family Home | $4,600,000 | 10/10/25 | 5 | 5.5 | 4,089 | |
0.58 | Single-Family Home | $6,500,000 | 03/31/26 | 7 | 7.5 | 5,528 | |
0.37 | Single-Family Home | $3,700,000 | 01/27/26 | 5 | 5 | 3,962 | |
0.25 | Single-Family Home | $6,275,000 | 12/11/25 | 5 | 5.5 | 3,525 | |
0.44 | Single-Family Home | $5,220,000 | 10/01/25 | 6 | 6 | 3,737 |
Nearby home prices
Get a sense of expected prices in the area by checking the value of nearby homes.Address | Distance | Price | Bed | Bath | Sqft | Status |
|---|---|---|---|---|---|---|
0.08 | $5,990,000 | 5 | 4.5 | 4,759 | For Sale | |
0.07 | $5,536,700 | 6 | 6 | 4,393 | Off Market | |
0.05 | $7,450,000 | 7 | 8 | 4,565 | For Sale | |
0.04 | $19,498,300 | 3 | 3 | 1,806 | Off Market | |
0.07 | $6,262,100 | 5 | 6.5 | 4,649 | Off Market | |
0.14 | $237,000,000 | 5 | 8 | 11,528 | For Sale | |
0.12 | $3,243,300 | 4 | 3 | 1,570 | Off Market | |
0.14 | $2,800,000 | 3 | 2 | 1,403 | Recently Sold | |
0.15 | $5,603,500 | 6 | 6.5 | 5,839 | Off Market | |
0.17 | $7,950,000 | 5 | 4.5 | 4,166 | For Sale | |
0.15 | $3,142,200 | 4 | 3 | 1,754 | Off Market | |
0.15 | $30,770,500 | 6 | 7.5 | 7,178 | Off Market |
Local Information
-- mins to
Home Highlights
Property Type
Single-Family Home
Year Built
2015
Lot Size
0.54 acres
Living Area
10,762 sqft
Price/Sqft
$2,899
About this House
This single-family home is located at 420 Harbor Dr, Key Biscayne, FL. 420 Harbor Dr is in Key Biscayne, FL and in ZIP code 33149. This property has 7 bedrooms, 9 bathrooms and approximately 10,762 sqft of floor space. This property has a lot size of 0.54 acres and was built in 2015.
420 Harbor Dr, Key Biscayne, FL 33149 is a 7 bedroom, 9 bathroom, 10,762 sqft single-family home built in 2015. It last sold for $4,100,000 on Jul 16, 2002. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $31,202,800, with a rent estimate of $134,740/month.
Home Details for 420 Harbor Dr
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Heating & Cooling Heating: ElectricHeating Fuel: Electric |
Levels, Entrance, & Accessibility Stories: 3ElevatorFloors: Hardwood |
Interior Details Types of Rooms: Walk In Closet, Family Room, Library, Office |
Appliances & Utilities Cable ReadyDishwasherDryerMicrowaveRefrigeratorWasher |
Fireplace & Spa Hot Tub or Spa |
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Exterior Home Features Roof: OtherExterior: OtherPatioPorch |
Pool Pool |
Parking & Garage Parking: Carport |
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Year Built Year Built: 2015Year Updated: 1965 |
Property Type / Style Property Type: Single Family HomeArchitecture: Other |
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Units in Building: 1 |
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Lot Area: 0.54 acres |
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On Site Laundry Available |
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Pool Sauna |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Aug 10, 2016 Source: Agent Provided | ListingRemoved | $29,700,000 |
Apr 20, 2015 Source: Agent Provided | Listed For Sale | $29,700,000 |
Jun 11, 2012 Source: Agent Provided | ListingRemoved | $28,000,000 |
Jan 15, 2012 Source: Agent Provided | Listed For Sale | $28,000,000 |
Mar 2, 2011 Source: Agent Provided | ListingRemoved | $25,000,000 |
Jun 24, 2010 Source: Agent Provided | Listed For Sale | $25,000,000 |
Jul 16, 2002 Source: N/A | Sold | $4,100,000 |
Jul 8, 1996 Source: N/A | Sold | $1,700,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | $273,386 | $19,190,951 |
Home facts updated by county records
Market trends in Key Biscayne
Last updated July 2026
Avg. sale price
$1.56M
$26.67KMoM
Sale-to-List Price
94.6%
Price per sq ft
$981
$37MoM
Available listings
144
15MoM
Around this home
What Locals Say about Key Biscayne
At least 116 Trulia users voted on each feature.
94 % Say it's walkable to grocery stores
94 % Say kids play outside
90 % Say it's dog friendly
90 % Say it's walkable to restaurants
86 % Say people would walk alone at night
86 % Say there are sidewalks
79 % Say it's quiet
79 % Say there's holiday spirit
76 % Say they plan to stay for at least 5 years
68 % Say parking is easy
67 % Say streets are well-lit
60 % Say there are community events
58 % Say neighbors are friendly
54 % Say yards are well-kept
52 % Say there's wildlife
50 % Say car is needed
Sourced by Trulia users. Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Frequently asked questions about 420 Harbor Dr
- What is 420 Harbor Dr estimated to be worth?Trulia's estimated value for 420 Harbor Dr in Key Biscayne, FL is $31,202,800.
- What is the price history for 420 Harbor Dr?420 Harbor Dr in Key Biscayne, FL last sold for $4,100,000 in July 2002.
- Is Key Biscayne a buyer's or seller's market?Key Biscayne is currently a buyer's market, based on recent for-sale activity.
- What's the median sale price in Key Biscayne?The median sale price in Key Biscayne is $1.56M. That is down $26.67K from the prior month.
- Does 420 Harbor Dr have a pool?Yes, 420 Harbor Dr in Key Biscayne, FL has a pool.
- Does 420 Harbor Dr have laundry facilities?Yes, 420 Harbor Dr in Key Biscayne, FL has in-unit laundry.