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

Miami-Dade County property record for 531 S Mashta Dr, Key Biscayne, FL 33149

Property Summary

Property TypeSingle Family Home
Details4 bd · 4.5 ba · 4,410 sqft · built 2012
Lot Size0.23 acres (10,000 sqft)
Owner2 Individual Names on File
Last Sale$7,000,000 (Oct 2022)
Tax Bill$93,877 (2025)
Deeds & MortgagesOct 2022 Sale
Feb 2018 Sale & Mortgage
Flood ZoneZone AE (high risk)
APN24-5205-009-0330

Property Details

APN / Parcel Number

Primary APN24-5205-009-0330

Interior

Bedrooms4 Beds
Full Baths4.5 Baths
Half Baths1 Half Bath
Stories2 Stories
Building Area4,410 sqft Living Area
Gross Area5,792 sqft

Exterior

Year BuiltBuilt 2012
Effective Year BuiltEffective 2012
Exterior MaterialConcrete Block/Stucco
Construction TypeConcrete Block
Roof TypeRigid Frame Bar Joist
Roof MaterialOther
Lot Area10,000 sqft (0.23 acres)
Lot Dimensions100 ft deep x 100 ft wide

Exterior Amenities

Pool TypePool with Hot Tub/Spa
Pool Area81 sqft
PorchPorch
Porch Area625 sqft
Deck AreaDeck Area
Patio Area294 sqft

Location & Zoning

Street Address531 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 13BLK 4 LOT SIZE100.000 X 100 OR 16090-2920-19 0993 1
Legal Range42E
Legal Township55S
Legal Section05
Legal SubdivisionMASHTA ISLAND
Legal TractA
Legal Block4
Legal Lot Number13
JurisdictionDADE FL
Township / Civil DivisionKEY BISCAYNE
Census Block Group1
Census Block1022
Census Tract4602

Owner

531 S Mashta Dr is owned and occupied by two individuals who bought it in October 2022.

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

Owner of Record2 Individual Names on File
Mailing Address531 S MASHTA DR, KEY BISCAYNE, FL 33149-1732
OccupancyOwner Occupied
Owner TypeIndividual

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
Oct 3, 2022Warranty Deed, Transfer
ATTORNEY ONLY, ATTORNEY
Feb 5, 2018Warranty Deed, Transfer
NICOLE SOLA

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleOct 3, 2022 · Amount on File
Deed SaleOct 3, 2022 · Amount on File
Prior SaleFeb 5, 2018 · Amount on File
Deed Document Number2022758939
Deed Book / Page33404 / 4700
Record UpdatedOct 29, 2026

October 2022: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionDADE FL
Recording DateOct 3, 2022
Property Address531 S MASHTA DR, KEY BISCAYNE, FL 33149-1732
Document Number0000758939
Book / Page33404 / 4700
Map ReferenceMB 65 PG 65
Instrument DateSep 15, 2022
Instrument2022R0758939
Transaction TypeTransfer
Record UpdatedApr 2, 2024
Title CompanyATTORNEY ONLY, ATTORNEY

Transaction

AmountAmount on Record
Tax$42,000.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address1150 SW 22ND ST, MIAMI, FL 33129-2738

Transferred To (Grantee/Buyer)

NameVerified Name
Address531 S MASHTA DR, KEY BISCAYNE, FL 33149-1732

February 2018: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionDADE FL
Recording DateFeb 5, 2018
Property Address531 S MASHTA DR, KEY BISCAYNE, FL 33149-1732
Document Number0000071095
Book / Page030851 / 003301
Instrument DateJan 31, 2018
Instrument71095
Transaction TypeTransfer
Record UpdatedFeb 20, 2018
Title CompanyATTORNEY ONLY

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$24,000.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address1150 SW 22ND ST MIAMI FL 331292738, MIAMI, FL 33129-2738

Mortgage

Document Number71096
DateFeb 5, 2018
Book Page030851/003303
Instrument71096
Lender
NameNICOLE SOLA
Address799 CRANDON BLVD # 1106, KEY BISCAYNE, FL 33149-2653
Special NotesSeller Financed
Agreement
AmountAmount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 531 S Mashta Dr was $93,877 with a homeowner's exemption.

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$93,877.00 Homeowner's exemption$5,984,153$6,032,186 Land $3,100,000 Building $2,932,186
2023$95,498.00 (+76.74%) Homeowner's exemption$5,954,144 (+76.25%) Land $2,850,000 Building $3,104,144$5,954,144 (+76.25%) Land $2,850,000 Building $3,104,144
2022$54,034.00$3,378,257 Land $2,050,000 Building $1,328,257$3,378,257 Land $2,050,000 Building $1,328,257

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Flood

FEMA maps place 531 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 531 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

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