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900 Harbor Dr, Key Biscayne, FL 33149 Property Records

Miami-Dade County property record for 900 Harbor Dr, Key Biscayne, FL 33149 · Last verified February 2026

Property Summary

Property TypeSingle Family Home
Details6 bd · 5 ba · 5,923 sqft · built 1960
Lot Size0.466 acres (20,300 sqft)
OwnerIndividual Name on File
Last Sale$9,500,000 (Dec 2012)
Tax Bill$159,425 (2025)
Deeds & MortgagesJul 2022 Mortgage
Apr 2022 Line of Credit
Flood ZoneZone AE (high risk)
APN24-5205-010-0390

Property Details

APN / Parcel Number

Primary APN24-5205-010-0390

Interior

Bedrooms6 Beds
Full Baths5 Baths
Stories2 Stories
Building Area5,923 sqft Living Area
Gross Area7,305 sqft
FlooringVinyl/Resilient

Exterior

Year BuiltBuilt 1960
Effective Year BuiltEffective 1984
Exterior MaterialConcrete Block
Construction TypeConcrete
Lot Area20,300 sqft (0.466 acres)

Exterior Amenities

Pool Area72 sqft
Patio Area1,240 sqft
FenceFence
Boat AccessBoat Access

Location & Zoning

Street Address900 HARBOR DR
CityKEY BISCAYNE
StateFL
Zip33149-1730
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal Description5 55 42 PB 68-81 CAPE FLORIDA SUB SEC 1 LOT 7 & PROP INT IN & TO ADJ WATER OR WATERWAYS BLK 2 LOT SIZE 100.000 X 203 OR 18519
Legal Range42
Legal Township55
Legal Section05
Legal SubdivisionCAPE FLA SUB SEC 1
Legal Block2
Legal Lot Number7
JurisdictionDADE FL
Township / Civil DivisionKEY BISCAYNE
Census Block Group1
Census Block1020
Census Tract4602

Owner

Source: Miami-Dade County records · APN 24-5205-010-0390

Assessment roll updated July 1, 2025 · Last verified February 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordIndividual Name on File
Co-ownerVerified Secondary Owner
Mailing Address900 HARBOR DR LAND TR 900 HARBOR DR, KEY BISCAYNE, FL 33149
OccupancyOwner Occupied
Owner TypeIndividual, Secondary Company

Deeds, Mortgages & Sale History

DateDocument
Jul 26, 2022Deed of Trust, Mortgage · Conventional Mortgage
CITIBANK NA
Apr 11, 2022Intrafamily Transfer, Transfer · Line of Credit
US CENTURY BANK

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleDec 20, 2012 · Amount on Record
Deed SaleDec 20, 2012 · Amount on Record
Prior SaleDec 20, 2012 · Amount on Record
Deed Document Number0000919332
Last Transfer DateApr 11, 2022
Transfer Doc0000298473
Record UpdatedJun 08, 2026

July 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionDADE FL
Property Address900 HARBOR DR, KEY BISCAYNE, FL 33149-1730
Transaction TypeMortgage
Record UpdatedAug 12, 2022

Transferred To (Grantee/Buyer)

NameVerified Name
Address220 CYPRESS DR, KEY BISCAYNE, FL 33149-1208

Mortgage

Document Number0000592081
DateJul 26, 2022
Book Page33306/2735
Instrument2022R0592081
Lender
NameCITIBANK NA
TypeBank
AddressO FALLON, MO 63368
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueAug 01, 2052
Interest
Rate TypeAdjustable Rate
Rate3%
Type Change DateAug 01, 2029
Change Frequency6 Months
Min Rate At Change2.75%
Max Rate At Change8%
IndexOther
Max Rate8%

April 2022: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionDADE FL
Recording DateApr 11, 2022
Property Address900 HARBOR DR, KEY BISCAYNE, FL 33149-1730
Document Number0000298473
Book / Page33124 / 924
Map ReferenceMB 68 PG 81
Instrument DateMar 29, 2022
Instrument2022R0298473
Transaction TypeTransfer
Record UpdatedJul 29, 2022
Title CompanyATTORNEY ONLY, ATTORNEY

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name
Address1000 BRICKELL AVE STE 300, 1000, MIAMI, FL 33131-3002

Transferred To (Grantee/Buyer)

NameVerified Name
Address900 HARBOR DR, KEY BISCAYNE, FL 33149-1730

Mortgage

Document Number0000000931
DateApr 11, 2022
Instrument33124/931
Lender
NameUS CENTURY BANK
TypeBank
Agreement
TypeLine of Credit
AmountAmount Recorded
Term35 Months
DueMar 29, 2025

Tax Assessment & Valuation

Source: Miami-Dade County records · Assessment roll updated July 1, 2025 · Last verified February 2026

Property Jurisdictions

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

Tax Bill & Assessment History

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

YearTax BillAssessed ValueAssessed Market Value
2025$159,425.00 (+21%)$10,532,175 (+29.21%) Land $9,642,500 Building $889,675$10,532,175 (+29.21%) Land $9,642,500 Building $889,675
2023$131,759.00 (+21.39%)$8,151,385 (+8.55%) Land $7,247,100 Building $904,285$8,151,385 (+8.55%) Land $7,247,100 Building $904,285
2022$108,542.00$7,509,089 Land $6,597,500 Building $911,589$7,509,089 Land $6,597,500 Building $911,589

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Miami-Dade County (12086C), updated January 25, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 120860046021, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone AE
Special Flood Hazard AreaYes
Flood HazardHigh
100-Year FloodplainYes
1% annual chance
FloodwayNo
Base Flood Elevation10.0 ft
Flood Insurance RequirementRequired (federally backed mortgages)
Flood Insurance CostPremium on Record
median of 201 individual NFIP policies nearby
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 Storm
  • Hurricane Irma, Sep 2017 · 38 claims
  • Hurricane Wilma, Oct 2005 · 26 claims
  • Hurricane Andrew, Aug 1992 · 195 claims

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 247 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
AT&TFiber5,000 / 5,000
XfinityCable2,000 / 250
VerizonFixed Wireless300 / 20
T-Mobile USAFixed Wireless100 / 20
AT&TFixed Wireless100 / 20
AT&TDSL100 / 20

Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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