551 S Mashta Dr, Key Biscayne, FL 33149 Property Records

Miami-Dade County property record for 551 S Mashta Dr, Key Biscayne, FL 33149

Property Summary

Property TypeSingle Family Home
Details3 bd · 2.5 ba · 2,886 sqft · built 1961
Lot Size0.23 acres (10,000 sqft)
OwnerCompany Name on File
Last Sale$4,700,000 (Jul 2025)
Tax Bill$54,870 (2025)
Deeds & MortgagesNov 2022 Mortgage
Aug 2019 Loan Modification
+ 4 more
Flood ZoneZone AE (high risk)
APN24-5205-009-0350

Property Details

APN / Parcel Number

Primary APN24-5205-009-0350

Interior

Bedrooms3 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Stories2 Stories
Building Area2,886 sqft Living Area
Gross Area4,349 sqft
1st Floor Area2,134 sqft
FlooringCovered

Exterior

Year BuiltBuilt 1961
Effective Year BuiltEffective 2004
Exterior MaterialComposition
Construction TypeConcrete Block
Roof TypeGable/Hip
Roof MaterialTile
Lot Area10,000 sqft (0.23 acres)
Lot Dimensions100 ft deep x 100 ft wide
Patio Area600 sqft
Total Buildings2 Buildings

Location & Zoning

Street Address551 S MASHTA DR
CityKEY BISCAYNE
StateFL
Zip33149-1732
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning Code2001
Legal Description5-6 55 42 MASHTA ISLAND A REPLAT OF TRS A B & C PB 65-65 LOT 15BLK 4 LOT SIZE100.000 X 100 OR 15512-3336 15586-1618 0492 4
Legal Range42E
Legal Township55S
Legal Section05
Legal SubdivisionMASHTA ISLAND
Legal TractA
Legal Block4
Legal Lot Number15
JurisdictionDADE FL
Township / Civil DivisionKEY BISCAYNE
Census Block Group1
Census Block1022
Census Tract4602

Owner

551 S Mashta Dr is owned by a company that bought it in July 2025.

Source: Miami-Dade County records, as of October 21, 2026

Owner of RecordCompany Name on File
Mailing Address551 S MASHTA DR, KEY BISCAYNE, FL 33149-1732
Owner TypeCompany
VestingCompany

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

DateDocument
Nov 9, 2022Deed of Trust, Mortgage · Conventional Mortgage
BANCO DO BRASIL AMERICAS
Aug 1, 2019Loan Modification, Mortgage · Conventional Mortgage
FORTUNE INT'L REALTY INC
Aug 13, 2019Warranty Deed, Transfer
ATTORNEY ONLY
Jul 31, 2019Loan Modification, Mortgage
JOHN E WHITE
Jan 10, 2017Deed of Trust, Mortgage · Conventional Mortgage
JOHN E WHITE
Jan 12, 2017Warranty Deed, Transfer
JOHN E WHITE

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJul 17, 2025 · Amount on File
Deed SaleJul 17, 2025 · Amount on File
Prior SaleAug 13, 2019 · Amount on File
Deed Document Number2025545409
Deed Book / Page34852 / 2282
Record UpdatedOct 29, 2026

November 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionDADE FL
Property Address551 S MASHTA DR, KEY BISCAYNE, FL 33149-1732
Transaction TypeMortgage
Record UpdatedApr 2, 2024

Transferred To (Grantee/Buyer)

NameVerified Name
AddressCMDX FL 1900 1900, 1900, MEXICO XX

Mortgage

Document Number0000857454
DateNov 9, 2022
Book Page33461/212
Instrument2022R0857454
Lender
NameBANCO DO BRASIL AMERICAS
TypeBank
AddressMIAMI, FL 33131
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueDec 1, 2052
Interest
Rate TypeAdjustable Rate
Rate5.5%
Type Change DateDec 1, 2027
Min Rate At Change7.5%
Max Rate At Change11.5%
Index1-Year T-Bill
Max Rate11.5%

August 2019: Loan Modification, Mortgage

Document TypeLoan Modification
JurisdictionDADE FL
Property Address551 S MASHTA DR, KEY BISCAYNE, FL 33149-1732
Document Number0000508824
Instrument DateAug 1, 2019
Transaction TypeMortgage
Record UpdatedSep 10, 2019
Title CompanyATTORNEY ONLY

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address551 S MASHTA DR KEY BISCAYNE FL 331491732, KEY BISCAYNE, FL 33149-1732

Mortgage

Document Number0000508824
DateAug 13, 2019
Book Page031566/003988
Instrument508824
Lender
NameFORTUNE INT'L REALTY INC
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term12 Months
DueAug 12, 2020

August 2019: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionDADE FL
Recording DateAug 13, 2019
Property Address551 S MASHTA DR, KEY BISCAYNE, FL 33149-1732
Document Number0000508822
Book / Page031566 / 003975
Instrument DateAug 1, 2019
Instrument508822
Transaction TypeTransfer
Record UpdatedSep 11, 2019
Title CompanyATTORNEY ONLY

Transaction

AmountAmount on Record
Tax$17,400.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address551 S MASHTA DR KEY BISCAYNE FL 331491732, KEY BISCAYNE, FL 33149-1732

July 2019: Loan Modification, Mortgage

Document TypeLoan Modification
JurisdictionDADE FL
Property Address551 S MASHTA DR, KEY BISCAYNE, FL 33149-1732
Document Number0000508823
Instrument DateJul 31, 2019
Transaction TypeMortgage
Record UpdatedSep 9, 2019
Title CompanyATTORNEY ONLY

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipMarried Couple
Address551 S MASHTA DR KEY BISCAYNE FL 331491732, KEY BISCAYNE, FL 33149-1732

Mortgage

Document Number0000508823
DateAug 13, 2019
Book Page031566/003977
Instrument508823
Lender
NameJOHN E WHITE
Address2000 BISCAYNE BLVD # 221, MIAMI, FL 33137-5012
Agreement
AmountAmount on Record
Term60 Months
DueAug 12, 2024
Interest
Rate TypeAdjustable Rate

January 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionDADE FL
Property Address551 S MASHTA DR, KEY BISCAYNE, FL 33149-1732
Document Number0000034970
Instrument DateJan 10, 2017
Transaction TypeMortgage
Record UpdatedNov 16, 2018
Title CompanyATTORNEY ONLY

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipHusband and Wife
Address551 S MASHTA DR KEY BISCAYNE FL 331491732, KEY BISCAYNE, FL 33149-1732

Mortgage

Document Number0000034970
DateJan 20, 2017
Book Page030390/002922
Instrument34970
Lender
NameJOHN E WHITE
Address736 WOODCREST RD, KEY BISCAYNE, FL 33149-2427
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term24 Months
DueJan 19, 2019

January 2017: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionDADE FL
Recording DateJan 12, 2017
Property Address551 S MASHTA DR, KEY BISCAYNE, FL 33149-1732
Document Number0000021665
Book / Page030382 / 003510
Instrument DateJan 4, 2017
Instrument21665
Transaction TypeTransfer
Record UpdatedFeb 20, 2018
Title CompanyATTORNEY ONLY

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipHusband and Wife
Address551 S MASHTA DR KEY BISCAYNE FL 331491732, KEY BISCAYNE, FL 33149-1732

Mortgage

Document Number21666
DateJan 12, 2017
Book Page030382/003512
Instrument21666
Lender
NameJOHN E WHITE
Address736 WOODCREST RD, KEY BISCAYNE, FL 33149-2427
Special NotesSeller Financed
Agreement
AmountAmount on Record
Term24 Months
DueJan 11, 2019

Tax Assessment & Valuation

The 2025 property tax bill for 551 S Mashta Dr was $54,870.

Source: Miami-Dade County assessment roll, as of October 21, 2026

Property Jurisdictions

TypeName
StateFlorida
CountyMiami-Dade County
MunicipalityKey Biscayne Village
Unified School DistrictDade County School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$54,870.00$3,170,313$3,773,709 Land $3,100,000 Building $673,709
2023$49,328.00 (+19.34%)$3,531,817 (+29.09%) Land $2,850,000 Building $681,817$3,531,817 (+29.09%) Land $2,850,000 Building $681,817
2022$41,334.00$2,735,880 Land $2,050,000 Building $685,880$2,735,880 Land $2,050,000 Building $685,880

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 551 S Mashta Dr in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.

Source: FEMA National Flood Hazard Layer, effective January 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone AE
high risk
100-Year FloodplainYes
1% annual chance
FloodwayNo
Base Flood Elevation10.0 ft
Flood Insurance RequirementRequired
federally backed loans
Flood Insurance CostPremium on File
median of 201 policies
Community Rating SystemClass 8 (10% premium discount)
Nearby Flood Policies201 in force
Nearby Flood Claims312 (1979–2024)
Claims Outside the SFHA1 of 312
Most Recent ClaimJun 2024 · rainfall accumulation
Claims by Event
  • Hurricane Irma, Sep 2017 · 38 claims
  • Hurricane Wilma, Oct 2005 · 26 claims
  • Hurricane Andrew, Aug 1992 · 195 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Wildfire risk around 551 S Mashta Dr is low, with a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 96% of the US · lower than 96% of Florida
Wildfire Likelihood0.01% annual chance
ExposureNone
beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemMDWASA - MAIN SYSTEM
serves 2,377,460 people · EPA ID FL4130871
Water SourceGroundwater
Last State InspectionDec 2023
Lead3 ppb (2023)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting6
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 247 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · Fixed Wireless · DSL
5,000 / 5,000
Xfinity
Cable
2,000 / 250
Verizon
Fixed Wireless
300 / 20
T-Mobile
Fixed Wireless
100 / 20

Nearby Properties on S Mashta Dr

Nearby Streets

Search Property Records by Address or Parcel Number