Miami-Dade County property records for 49 addresses on S Mashta Dr, Key Biscayne, FL · Last verified August 2026
| Properties | 49 |
|---|---|
| Median Sale Price | $7,499,000 |
| Deeds and Mortgages on File | 58 |
| Median Price per Sqft | $1,608 |
| Owner Occupied | 61% |
| Median Annual Tax Bill | $105,824 |
| Median Year Built | 1991 |
| Median Ownership Tenure | 12 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 4 ba · 8,234 sqft · 0.834 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $30,000Jun 2012 | $316,5232024 | Amount on Record Feb 2001 | 1 Name on Record | Assessor + 1 DocumentUpdated Apr 2026 |
5 bd · 5 ba · 5,167 sqft · 0.523 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,200,000Sep 2000 | $189,5232025 | 1 Name on Record | AssessorUpdated Feb 2026 |
6 bd · 7 ba · 4,677 sqft · 0.432 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,930,000Mar 2001 | $197,8602025 | 1 Name on Record Owner Occupied | AssessorUpdated Feb 2026 |
5 bd · 4 ba · 4,536 sqft · 0.422 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,050,000Jun 2005 | $67,3562025 | 1 Name on Record Owner Occupied | AssessorUpdated Feb 2026 |
5 bd · 5 ba · 8,202 sqft · 0.389 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,350,000Jun 2012 | $170,9692025 | Amount on Record Aug 2010 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
5 bd · 5 ba · 8,223 sqft · 0.385 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,440,900Mar 2010 | $81,5022025 | Amount on Record Jun 2000 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
5 bd · 6 ba · 5,808 sqft · 0.379 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,116,000Feb 2012 | $120,2792025 | Amount on Record Oct 2006 | 1 Name on Record | AssessorUpdated Feb 2026 |
3 bd · 4 ba · 3,113 sqft · 0.385 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $27,3692025 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Feb 2026 |
5 bd · 5.5 ba · 5,940 sqft · 0.39 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,919,100Jul 2025 | $26,5742024 | Amount on Record Dec 2015 | 1 Name on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
5 bd · 5 ba · 6,369 sqft · 0.373 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,150,000Dec 2009 | $105,8242025 | Amount on Record Feb 2008 | 1 Name on Record Owner Occupied | AssessorUpdated Feb 2026 |
6 bd · 7 ba · 10,820 sqft · 0.546 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $17,400,000May 2021 | $252,2612025 | —Jul 2013 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Feb 2026 |
3 bd · 4 ba · 5,226 sqft · 0.42 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $18,921,300Jul 2025 | $176,2152025 | Amount on Record May 2010 | 1 Name on Record Owner Occupied | AssessorUpdated Feb 2026 |
4 bd · 3 ba · 2,903 sqft · 0.275 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $14,8292025 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
3 bd · 4 ba · 3,085 sqft · 0.508 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $16,500,000Mar 2024 | $218,7662025 | Amount on Record Apr 2014 | 1 Name on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
6 bd · 6 ba · 5,845 sqft · 0.229 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,275,000Jul 2004 | $57,2902025 | 2 Names on Record Owner Occupied | AssessorUpdated Feb 2026 |
8 bd · 9 ba · 7,541 sqft · 0.464 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Nov 2014 | $239,5452025 | Amount on Record Jul 2011 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Feb 2026 |
4 bd · 5 ba · 4,410 sqft · 0.229 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,000,000Oct 2022 | $93,8772025 | Amount on Record Feb 2018 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Feb 2026 |
5 bd · 6.5 ba · 4,757 sqft · 0.229 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,250,000Jul 2013 | $63,7612024 | Amount on Record Apr 2006 | 1 Name on Record | Assessor + 1 DocumentUpdated Apr 2026 |
4 bd · 5 ba · 8,943 sqft · 0.344 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,300,000May 2010 | $160,6822025 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
3 bd · 2 ba · 2,886 sqft · 0.229 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,700,000Jul 2025 | $54,8702025 | Amount on Record Aug 2019 | 1 Name on Record Owner Occupied | Assessor + 6 DocumentsUpdated Feb 2026 |
5 bd · 4 ba · 3,749 sqft · 0.229 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Aug 1993 | $16,6902025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
6 bd · 4 ba · 2,761 sqft · 0.229 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,945,000May 2021 | $51,0232024 | Amount on Record Mar 2006 | 1 Name on Record | Assessor + 3 DocumentsUpdated Apr 2026 |
6 bd · 7 ba · 5,695 sqft · 0.447 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,001,300May 2002 | $104,3712025 | Amount on Record Jul 1997 | 2 Names on Record Owner Occupied | AssessorUpdated Feb 2026 |
4 bd · 2.5 ba · 3,868 sqft · 0.229 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,225,000Dec 2022 | $49,9232025 | Amount on Record Mar 2022 | 1 Name on Record | Assessor + 5 DocumentsUpdated Aug 2026 |
7 bd · 6.5 ba · 6,490 sqft · 0.344 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $14,600,000Aug 2021 | $177,2742024 | Amount on Record Oct 2016 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Apr 2026 |
4 bd · 4 ba · 4,818 sqft · 0.229 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,350,000Feb 2014 | $46,3412025 | Amount on Record Dec 2004 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 4.5 ba · 4,687 sqft · 0.344 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,800,000Jan 2005 | $98,0912024 | Amount on Record Jun 1993 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
4 bd · 5 ba · 3,675 sqft · 0.229 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $362,500Mar 1991 | $22,2182025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Feb 2026 |
4 bd · 4 ba · 3,620 sqft · 0.344 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $12,375,000Oct 2024 | $155,7302025 | Amount on Record Jun 1999 | 1 Name on Record | Assessor + 1 DocumentUpdated Jun 2026 |
6 bd · 7 ba · 5,024 sqft · 0.229 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,400,000Feb 2016 | $93,2032025 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
5 bd · 6 ba · 6,998 sqft · 0.344 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,500,000Dec 2012 | $194,0992025 | —Mar 2009 | 1 Name on Record | AssessorUpdated Feb 2026 |
3 bd · 4 ba · 2,624 sqft · 0.229 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,500,000Dec 2015 | $49,5512025 | Amount on Record Jun 2006 | 1 Name on Record | AssessorUpdated Jul 2026 |
5 bd · 5 ba · 5,043 sqft · 0.344 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $13,800,000Apr 2025 | $144,6092024 | Amount on Record Jan 2011 | 1 Name on Record | AssessorUpdated Apr 2026 |
3 bd · 3.5 ba · 3,382 sqft · 0.229 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,750,000Feb 2026 | $22,9312025 | Amount on Record Jul 2025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
5 bd · 6.5 ba · 5,953 sqft · 0.344 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,500,000Dec 2024 | $205,4262025 | Amount on Record Apr 2021 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
5 bd · 8 ba · 8,366 sqft · 0.344 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,400,000Aug 1994 | $172,2242025 | 1 Name on Record | AssessorUpdated Feb 2026 |
4 bd · 3 ba · 2,735 sqft · 0.229 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,000,000Nov 2015 | $36,8552025 | Amount on Record Aug 2006 | 2 Names on Record Owner Occupied | AssessorUpdated Feb 2026 |
5 bd · 4 ba · 5,577 sqft · 0.344 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,000,000Dec 2002 | $163,0982025 | Amount on Record Aug 1999 | 1 Name on Record | AssessorUpdated Feb 2026 |
4 bd · 3 ba · 2,225 sqft · 0.229 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $280,000Oct 1986 | $14,2012025 | 2 Names on Record Owner Occupied | AssessorUpdated Feb 2026 |
4 bd · 5 ba · 6,395 sqft · 0.344 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,499,000Apr 2020 | $112,7752025 | 3 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Feb 2026 |
4 bd · 3 ba · 2,457 sqft · 0.229 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,700,000Aug 2022 | $48,7972025 | Amount on Record Jun 2006 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Feb 2026 |
8 bd · 6.5 ba · 6,666 sqft · 0.344 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,295,000May 2002 | $149,7442024 | —May 2002 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 3 ba · 3,481 sqft · 0.229 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $15,4072025 | Amount on Record Apr 1995 | 3 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Feb 2026 |
5 bd · 6 ba · 6,423 sqft · 0.344 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,350,000Oct 2008 | $171,7932025 | 1 Name on Record | AssessorUpdated Feb 2026 |
6 bd · 5.5 ba · 5,411 sqft · 0.229 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,400,000Aug 2010 | $50,9352025 | Amount on Record Jan 2004 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
5 bd · 6.5 ba · 5,967 sqft · 0.258 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $390,000Jan 2022 | $156,5872024 | Amount on Record Jan 2022 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Apr 2026 |
6 bd · 7 ba · 12,113 sqft · 0.319 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,800,000Feb 2016 | $190,1302025 | —Feb 2012 | 1 Name on Record | Assessor + 2 DocumentsUpdated Feb 2026 |
6 bd · 6.5 ba · 6,433 sqft · 0.33 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $24,500,000Feb 2024 | $269,4492025 | Amount on Record Apr 2009 | 1 Name on Record | Assessor + 1 DocumentUpdated Jun 2026 |
6 bd · 8 ba · 11,588 sqft · 0.86 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $20,163,000Jan 2016 | $232,6272025 | 1 Name on Record | Assessor + 1 DocumentUpdated Feb 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach of burnable land |