$8,806,900
- 8 Beds
- 10 Baths
- 6,238 sqft
851 Harbor Dr, Key Biscayne, FL 33149
Est. Refi. Payment $60,500/mo*
Refinance Your HomeCurrently Off Market - Sold Feb 27, 2015 for $5,350,000
Home Value
Trulia Estimate
$8.81MSince last month
Increased$35K (+0.4%)Since last year
Increased$632K (+7.7%)Since last sale
Increased$3M (+64.6%)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 +51% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| September 2026 | $8.81M |
| August 2026 | $8.99M |
| July 2026 | $8.77M |
| June 2026 | $8.89M |
| May 2026 | $8.72M |
| April 2026 | $8.54M |
| March 2026 | $8.43M |
| February 2026 | $8.37M |
| January 2026 | $8.05M |
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 |
|---|---|---|---|---|---|---|---|
0.19 | Single-Family Home | $6,500,000 | 03/31/26 | 7 | 7.5 | 5,528 | |
0.33 | Single-Family Home | $4,950,000 | 04/20/26 | 6 | 6 | 3,888 | |
0.30 | Single-Family Home | $5,690,000 | 06/15/26 | 6 | 5 | 3,584 | |
0.36 | Single-Family Home | $4,200,000 | 03/27/26 | 6 | 5.5 | 3,436 | |
0.26 | Single-Family Home | $3,475,000 | 01/27/26 | 5 | 4.5 | 2,320 | |
0.39 | Single-Family Home | $3,700,000 | 01/27/26 | 5 | 5 | 3,962 | |
0.34 | Single-Family Home | $5,200,000 | 08/11/26 | 3 | 3.5 | 3,343 | |
0.18 | Single-Family Home | $3,800,000 | 08/20/26 | 5 | 4 | 2,329 | |
0.28 | Single-Family Home | $3,125,000 | 03/09/26 | 5 | 3.5 | 2,429 | |
0.52 | Single-Family Home | $4,400,000 | 04/08/26 | 5 | 5 | 3,230 |
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 |
|---|---|---|---|---|---|---|
0.02 | $12,485,000 | 6 | 7 | 6,405 | For Sale | |
0.09 | $3,344,700 | 3 | 2 | 1,915 | Off Market | |
0.11 | $4,260,300 | 4 | 5 | 3,651 | Off Market | |
0.12 | $3,202,300 | 5 | 4 | 2,867 | Off Market | |
0.15 | $5,600,000 | 5 | 5 | 3,197 | For Sale | |
0.18 | $4,331,800 | 5 | 5.5 | 3,534 | Off Market | |
0.16 | $19,500,000 | 6 | 9 | 7,742 | For Sale | |
0.22 | $14,000,000 | 4 | 4.5 | 4,290 | Recently Sold | |
0.18 | $2,850,000 | - | - | - | Recently Sold | |
0.23 | $5,539,600 | 6 | 5 | 3,245 | Off Market | |
0.23 | $18,592,800 | 5 | 6.5 | 5,226 | Off Market | |
0.18 | $12,411,900 | 6 | 6 | 5,191 | Off Market |
Local Information
-- mins to
Home Highlights
Single-Family Home
Built in 2012
6,238 sqft
$1,412/sqft
Garage
About this House
Stunning French-colonial Estate in prestigious Harbor Drive in Key Biscayne on a corner lot - over 15,000 sq.ft - built in 2012. This residence features 8 bedrooms all in suite with balconies overlooking the canal, formal living room, formal dining room, double height foyer, entertainment room, library, family room and a gourmet kitchen . The master suite features custom build walk-in closet, jacuzzi and separate shower and a large terrace overlooking the canal and infinity pool. A MUST SEE!! Brokered And Advertised By: Fortune International Realty Listing Agent: Natalia Salgado
851 Harbor Dr, Key Biscayne, FL 33149 is a 8 bedroom, 10 bathroom, 6,238 sqft single-family home built in 2012. It last sold for $5,350,000 on Feb 27, 2015. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $8,806,900.
Home Details for 851 Harbor Dr
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Levels, Entrance, & Accessibility Stories: 2Floors: Tile |
Interior Details Types of Rooms: Family Room, Library, Office, Recreation Room |
Appliances & Utilities DishwasherDryerMicrowaveWasher |
Heating & Cooling Air ConditioningCooling System: Central |
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Exterior Home Features Roof: OtherExterior: BrickPatio |
Pool Pool |
Parking & Garage GarageParking Spaces: 2Parking: Garage Attached |
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Year Built Year Built: 2012Year Updated: 2012 |
Property Type / Style Property Type: Single Family Home |
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Units in Building: 1 |
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Lot Area: 7322 sqft |
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On Site Laundry Available |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Feb 27, 2015 Source: N/A | Sold | $5,350,000 |
Nov 27, 2014 Source: Agent Provided | PriceChange | $5,990,000 Price decreased by 8% |
Sep 19, 2014 Source: Agent Provided | Listed For Sale | $6,490,000 |
Apr 17, 2008 Source: N/A | Sold | $2,300,000 |
Jun 18, 2003 Source: N/A | Sold | $1,140,000 |
Jul 1, 2002 Source: N/A | Sold | $1,200,000 |
Mar 22, 2000 Source: N/A | Sold | $810,000 |
Mar 30, 1998 Source: N/A | Sold | $345,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | $63,154 | $5,830,986 |
Home facts updated by county records
Market trends in Key Biscayne
Last updated August 2026
Avg. sale price
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Sale-to-List Price
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Price per sq ft
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Available listings
142
2MoM
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 851 Harbor Dr
- What is 851 Harbor Dr estimated to be worth?Trulia's estimated value for 851 Harbor Dr in Key Biscayne, FL is $8,806,900.
- What is the price history for 851 Harbor Dr?851 Harbor Dr in Key Biscayne, FL last sold for $5,350,000 in February 2015.
- 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 do residents say about Key Biscayne?Residents describe Key Biscayne, FL as walkable to grocery stores, dog-friendly, and walkable to restaurants. See recently sold homes in Key Biscayne, FL.
- Does 851 Harbor Dr have air conditioning?Yes, 851 Harbor Dr in Key Biscayne, FL has air conditioning.
- Does 851 Harbor Dr have a pool?Yes, 851 Harbor Dr in Key Biscayne, FL has a pool.