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700 N Mashta Dr, Key Biscayne, FL 33149 Property Records

Miami-Dade County property record for 700 N Mashta Dr, Key Biscayne, FL 33149

Property Summary

Property TypeSingle Family Home
Details5 bd · 4 ba · 4,505 sqft · built 1960
Lot Size0.23 acres (10,000 sqft)
Owner2 Individual Names on File
Last Sale$149,000 (Aug 2003)
Tax Bill$18,207 (2025)
Deeds & MortgagesNov 2021 Mortgage
Flood ZoneZone AE (high risk)
APN24-5205-008-0120

Property Details

APN / Parcel Number

Primary APN24-5205-008-0120

Interior

Bedrooms5 Beds
Full Baths4 Baths
Stories1 Story
Building Area4,505 sqft Living Area
1st Floor Area4,505 sqft

Exterior

Year BuiltBuilt 1960
Effective Year BuiltEffective 2010
Exterior MaterialStucco
Construction TypeConcrete Block
Roof TypeRigid Frame Bar Joist
Lot Area10,000 sqft (0.23 acres)
Lot Dimensions100 ft deep x 100 ft wide
Patio Area200 sqft

Location & Zoning

Street Address700 N MASHTA DR
CityKEY BISCAYNE
StateFL
Zip33149-1723
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning Code2001
Legal Description5-6 55 42 MASHTA ISLAND PB 60-93 LOT 5 BLK 2 LOT SIZE100.000 X 100 OR 17150-3730 0396 1 COC 21496-1073 06 2003 5
Legal Range42E
Legal Township55S
Legal Section05
Legal SubdivisionMASHTA ISLAND
Legal Block2
Legal Lot Number5
JurisdictionDADE FL
Township / Civil DivisionKEY BISCAYNE
Census Block Group1
Census Block1023
Census Tract4602

Owner

700 N Mashta Dr is owned and occupied by two individuals who bought it in August 2003.

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

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

Owner of Record2 Individual Names on File
Mailing Address700 N MASHTA DR, KEY BISCAYNE, FL 33149-1723
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleAug 5, 2003 · Amount on File
Deed SaleAug 5, 2003 · Amount on File
Prior SaleApr 3, 1996 · Amount on File
Deed Document Number2003547040
Deed Book / Page21496 / 1073
Prior Transfer DateJun 10, 2003
Prior Transfer Doc0000547040
Record UpdatedOct 29, 2026

November 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionDADE FL
Property Address700 N MASHTA DR, KEY BISCAYNE, FL 33149-1723
Transaction TypeMortgage
Record UpdatedApr 2, 2024
Title CompanySERVICELINK

Transferred To (Grantee/Buyer)

NameVerified Name
Address700 NMASHTA DR, KEY BISCAYNE, FL 33149

Mortgage

Document Number0000849441
DateNov 12, 2021
Book Page32845/2276
Instrument2021R0849441
Lender
NameUS BANK NA
TypeBank
AddressOWENSBORO, KY 42301
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term180 Months
DueNov 1, 2036

Tax Assessment & Valuation

The 2025 property tax bill for 700 N Mashta Dr was $18,207 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$18,207.00 Homeowner's exemption$1,101,784$3,797,123 Land $3,100,000 Building $697,123
2023$17,542.00 (+5.94%) Homeowner's exemption$1,039,547 (+3%)$3,514,234 (+29.15%) Land $2,850,000 Building $664,234
2022$16,559.00 Homeowner's exemption$1,009,269$2,720,955 Land $2,050,000 Building $670,955

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

Flood

FEMA maps place 700 N 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

The area around 700 N Mashta Dr has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire RiskNot rated
no burnable land within 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

Cell Coverage

5G (outdoors only) and 4G LTE

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