Miami-Dade County  »  33149  »  S Mashta Dr  »  551 S Mashta Dr

551 South Mashta Drive, Key Biscayne, FL 33149 Property Information

551 South Mashta Drive, Key Biscayne, FL 33149 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Neighborhood
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Photo & Map Show Hide

551 South Mashta Drive, Key Biscayne, FL 33149
static Mapbox map

Address

Primary address 551 South Mashta Drive, Key Biscayne
Zip code 33149
County Miami-Dade
Municipality Key Biscayne
Parcel ID 2452050090350

Sales & Tax Overview for 551 South Mashta Drive, Key Biscayne

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date 07/14/2025
Sale price $4,700,000
Arm's length
Property tax $53,176

Lot & Building Information for 551 South Mashta Drive, Key Biscayne

Building sqft 4,074
Total sqft 4,349
Building class Residential - Single Family: 1 Unit (0101)
Acreage 0.23
Buildings on lot 2
Year built 1961
Stories 2
Units 1
Bedrooms 3
Bathrooms 2
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now

Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district
School district Miami-Dade County Public Schools

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 551 South Mashta Drive, Key Biscayne

Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:

  • • Improvements for 551 South Mashta Drive, Key Biscayne , including their type, square footage, grade and when they were built.
  • Development maps such as planimetric, zoning, land use and urban landscape maps (building age and stories).
Unlock all property data with a free account.
Sign up

About 551 South Mashta Drive, Key Biscayne

What is the year built & the total sq. ft. for 551 South Mashta Drive, Key Biscayne, FL 33149?

551 South Mashta Drive, Key Biscayne, FL 33149 was built in 1961 and has a total of 4,074 square feet.

What is the assessed value of 551 South Mashta Drive, Key Biscayne, FL 33149 and the property tax paid?

Assessed at $3,170,313, the tax amount paid for 551 South Mashta Drive, Key Biscayne, FL 33149 is $53,176.

When was 551 South Mashta Drive, Key Biscayne, FL 33149 last sold and what was the last sale price?

551 South Mashta Drive, Key Biscayne, FL 33149 was last sold in 07/14/2025 for $4,700,000.

Ownership Information

View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.

Real Estate Reports:
Laura Pop-Badiu, May 21, 2026 How to Find Land Boundaries: Free & Paid Methods
If you need to find land boundaries fast, you can start with a free county parcel/GIS viewer or a premium platform like PropertyShark to see an approximate parcel outline and lot data. However, keep in mind that a web-based land boundaries map is a starting point, not the legal finish line.
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Past Sales & Property History for 551 South Mashta Drive, Key Biscayne

Create a free account to view the complete sales history for 551 South Mashta Drive, Key Biscayne, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
07/14/2025 $4,700,000
08/08/2019 $2,900,000
       
       
       
Access the complete sales history for 551 South Mashta Drive, Key Biscayne with a free account.
Sign up

Title Documents for 551 South Mashta Drive, Key Biscayne

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.

Date Type Amount Party 1 Party 2 Maturity Document Related documents Doc image
01/08/2026 - D
01/08/2026 - R
Notice of Commencement
07/14/2025 - D
07/17/2025 - R
Deed
11/08/2022 - D
11/09/2022 - R
Mortgage 12/01/2052
08/08/2019 - D
08/13/2019 - R
Deed
05/24/2002 - R Notice of Commencement
06/15/1995 - R Notice of Commencement
06/25/1991 - R Warranty Deed
Unlock title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 551 South Mashta Drive, Key Biscayne

Access detailed property tax data for 551 South Mashta Drive, Key Biscayne, FL 33149. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025
Property tax $53,176
Market value $3,773,709
Assessed value $3,170,313

Assessment History for 551 South Mashta Drive, Key Biscayne

Here's the assessment & property tax history for 551 South Mashta 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 $3,773,709 $3,170,313 15.5108 $53,176 +7.89%
2024 $3,527,753 $2,882,103 15.6226 $49,289 +3.34%
2023 $3,531,817 $2,620,094 15.8731 $47,697 +18.70%
2022 $2,735,880 $2,381,904 15.8911 $40,183 +12.77%
2021 $2,165,368 $2,165,368 16.4556 $35,632 -0.56%

Risk

Create a free account to unlock extended information for 551 South Mashta 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)

Transportation

Access the detailed traffic volume map for 551 South Mashta 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

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
Key Biscayne K-8 Center 8 Public PK, K-8 921 0.59
Key Biscayne K-8 Center 8 Public PK, K-8 921 0.59
Key Biscayne Presbyterian School NR Private PK-1 160 1.13
Key Biscayne Presbyterian School NR Private PK-1 160 1.13
St Christophers Montessori NR Private PK-5 103 1.17

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Key Biscayne K-8 Center 8 Public PK, K-8 921 0.59
St Agnes Academy NR Private PK-8 498 1.21
Mast Academy 10 Public 6-12 1,535 3.82
Amikids Miami-Dade South NR Public 6-12 14 3.90
Ransom Everglades School NR Private 6-8 0 4.96

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Mast Academy 10 Public 6-12 1,535 3.82
Amikids Miami-Dade South NR Public 6-12 14 3.90
Immaculata-La Salle High School NR Private 9-12 869 4.78
Immaculata-La Salle High School NR Private 9-12 0 4.79
Ransom Everglades School NR Private 6-12 1,084 5.13

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 551 South Mashta Drive, Key Biscayne

Here are the neighbors for 551 South Mashta Drive, Key Biscayne.

Address Square feet Purchase date Purchase price
601 S Mashta Dr, Key Biscayne 12/01/2022 $4,225,000
621 S Mashta Dr, Key Biscayne 5,343 03/18/1991
101 Island Dr, Key Biscayne 4,820 06/05/2024 $4,000,000
131 Island Dr, Key Biscayne 4,579 08/06/2021 $3,395,000
530 N Mashta Dr, Key Biscayne 9,401 08/05/2014 $3,000,000
560 N Mashta Dr, Key Biscayne 3,570 03/23/2018 $10
611 S Mashta Dr, Key Biscayne 6,096 02/20/2014 $3,350,000
141 Island Dr, Key Biscayne 3,674 02/20/2026 $4,120,000
520 N Mashta Dr, Key Biscayne 3,499 07/01/2003 $1,060,000
561 S Mashta Dr, Key Biscayne 4,962 03/16/1992 $650,000
571 S Mashta Dr, Key Biscayne 3,722 04/28/2021 $2,945,000
500 N Mashta Dr, Key Biscayne 6,282 07/25/2000 $750,000
540 N Mashta Dr, Key Biscayne 3,674 09/21/2005 $2,050,000
531 S Mashta Dr, Key Biscayne 5,792 09/29/2022 $7,000,000
521 S Mashta Dr, Key Biscayne 7,618 07/16/2004 $1,275,000
511 S Mashta Dr, Key Biscayne 2,961 08/23/1991
121 Island Dr, Key Biscayne 3,849 11/06/2023 $10
111 Island Dr, Key Biscayne 3,915 09/09/2024 $10
541 S Mashta Dr, Key Biscayne 6,217 08/26/2020 $10
550 N Mashta Dr, Key Biscayne 4,882 12/15/1995 $715,000

Nearby ZIP Codes for 551 South Mashta Drive, Key Biscayne

Not sure if we cover all the data-points you need? View sample full report View sample full report