| Primary address | 850 Harbor Drive, Key Biscayne |
| Zip code | 33149 |
| County | Miami-Dade |
| Municipality | Key Biscayne |
| Parcel ID | 2452050100340 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 09/07/2010 |
| Sale price | $3,300,000 |
| Arm's length | Register |
| Current property tax | $100,953 |
| Building sqft | 8,902 |
| Building class | Residential - Single Family: 1 Unit (0101) |
| Acreage | 0.409 |
| Year built | 2011 |
| Stories | 2 |
| Units | 1 |
| Bedrooms | 7 |
| Bathrooms | 7 |
| Zoning district | Register |
| School district | Miami-Dade County Public Schools |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:
850 Harbor Drive, Key Biscayne, FL 33149 was built in 2011 and has a total of 8,902 square feet.
What is the assessed value of 850 Harbor Drive, Key Biscayne, FL 33149 and the property tax paid?Assessed at $6,548,295, the tax amount paid for 850 Harbor Drive, Key Biscayne, FL 33149 is $128,772.
When was 850 Harbor Drive, Key Biscayne, FL 33149 last sold and what was the last sale price?850 Harbor Drive, Key Biscayne, FL 33149 was last sold in 09/07/2010 for $3,300,000.
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
Create a free account to view the complete sales history for 850 Harbor Drive, Key Biscayne, including title documents, transfer conditions, mortgages and liens.
*Here are the three most recent sales for this property.
To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.
R: Recorded date
D: Document date
Access detailed property tax data for 850 Harbor Drive, Key Biscayne, FL 33149. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025 |
| Base tax | $128,772 |
| Current property tax | $100,953 |
| Market value | $10,649,445 |
| Assessed value | $6,548,295 |
Here's the assessment & property tax history for 850 Harbor Drive, Key Biscayne, including the evolution of the total tax rate and corresponding property tax.
| Year | Market value | Assessment value | Total tax rate | Property tax | Year over year change |
|---|---|---|---|---|---|
| 2025 | $10,649,445 | $6,548,295 | 15.5108 | $128,772 | +8.69% |
| 2024 | $9,250,667 | $6,363,747 | 15.6226 | $118,478 | +3.27% |
| 2023 | $8,664,238 | $6,178,396 | 15.8731 | $114,723 | +4.96% |
| 2022 | $8,120,587 | $5,998,443 | 15.8911 | $109,305 | +7.02% |
| 2021 | $6,722,538 | $5,823,732 | 16.4556 | $102,133 | -8.33% |
Create a free account to unlock extended information for 850 Harbor Drive, Key Biscayne, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).
| FEMA flood zone(s) | AE (See more on map) |
Access the detailed traffic volume map for 850 Harbor Drive, Key Biscayne to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.
| View daily traffic map |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Key Biscayne K-8 Center | 8 | Public | PK, K-8 | 921 | 0.46 |
| Key Biscayne K-8 Center | 8 | Public | PK, K-8 | 921 | 0.46 |
| Key Biscayne Presbyterian School | NR | Private | PK-1 | 160 | 1.05 |
| Key Biscayne Presbyterian School | NR | Private | PK-1 | 160 | 1.05 |
| St Christophers Montessori | NR | Private | PK-5 | 103 | 1.05 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Key Biscayne K-8 Center | 8 | Public | PK, K-8 | 921 | 0.46 |
| St Agnes Academy | NR | Private | PK-8 | 498 | 1.11 |
| Mast Academy | 10 | Public | 6-12 | 1,535 | 3.76 |
| Amikids Miami-Dade South | NR | Public | 6-12 | 14 | 3.82 |
| Ransom Everglades School | NR | Private | 6-8 | 0 | 5.05 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Mast Academy | 10 | Public | 6-12 | 1,535 | 3.76 |
| Amikids Miami-Dade South | NR | Public | 6-12 | 14 | 3.82 |
| Immaculata-La Salle High School | NR | Private | 9-12 | 869 | 4.84 |
| Immaculata-La Salle High School | NR | Private | 9-12 | 0 | 4.85 |
| Ransom Everglades School | NR | Private | 6-12 | 1,084 | 5.26 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 850 Harbor Drive, Key Biscayne.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 341 Island Dr, Key Biscayne | 3,197 | 02/06/2026 | $3,700,000 |
| 960 Harbor Dr, Key Biscayne | 7,965 | 05/07/1999 | $5,761,100 |
| 331 Island Dr, Key Biscayne | 3,320 | ||
| 860 Harbor Dr, Key Biscayne | 7,951 | 12/30/2008 | $10 |
| 890 Harbor Dr, Key Biscayne | 12/09/2021 | $12,000,000 | |
| 950 Harbor Dr, Key Biscayne | 11,816 | 06/26/2002 | $3,050,000 |
| 411 Island Dr, Key Biscayne | 3,988 | 01/23/2026 | $1 |
| 401 Island Dr, Key Biscayne | 3,133 | 06/13/1980 | |
| 900 Harbor Dr, Key Biscayne | 7,305 | 04/06/2022 | $10 |
| 910 Harbor Dr, Key Biscayne | 5,697 | 11/18/2020 | $8,500,000 |
| 880 Harbor Dr, Key Biscayne | 10,258 | 06/01/2021 | $15,250,000 |
| 940 Harbor Dr, Key Biscayne | 8,390 | 08/21/2013 | $10 |
| 840 Harbor Dr, Key Biscayne | 9,874 | 09/02/2015 | $9,500,000 |
| 441 Island Dr, Key Biscayne | 7,105 | 06/29/2020 | $5,350,000 |
| 870 Harbor Dr, Key Biscayne | 8,714 | 09/27/2019 | $4,000,000 |
| 963 Harbor Dr, Key Biscayne | 12/02/2021 | $9,800,000 | |
| 431 Island Dr, Key Biscayne | 13,903 | 07/02/2012 | $3,325,000 |
| 301 Island Dr, Key Biscayne | 7,133 | 06/18/2019 | $10 |
| 321 Island Dr, Key Biscayne | 12/16/2019 | $2,000,000 | |
| 311 Island Dr, Key Biscayne | 4,236 | 09/16/2010 | $1,795,000 |