365 Harbor Ct, Key Biscayne, FL 33149 Property Records

Miami-Dade County property record for 365 Harbor Ct, Key Biscayne, FL 33149

Property Summary

Property TypeSingle Family Home
Details5 bd · 4 ba · 3,263 sqft · built 1957
Lot Size0.194 acres (8,462 sqft)
Owner2 Individual Names on File
Last Sale$3,300,000 (May 2022)
Tax Bill$43,310 (2025)
Deeds & MortgagesFeb 2021 Mortgage
May 2022 Sale & Mortgage
Flood ZoneZone AE (high risk)
APN24-4232-006-3180

Property Details

APN / Parcel Number

Primary APN24-4232-006-3180

Interior

Bedrooms5 Beds
Full Baths4 Baths
Stories1 Story
Building Area3,263 sqft Living Area
Gross Area4,506 sqft
1st Floor Area3,263 sqft

Exterior

Year BuiltBuilt 1957
Effective Year BuiltEffective 2000
Exterior MaterialCombination
Construction TypeConcrete Block
Lot Area8,462 sqft (0.194 acres)
Lot Dimensions100 ft deep x 84.6 ft wide
Patio Area854 sqft

Location & Zoning

Street Address365 HARBOR CT
CityKEY BISCAYNE
StateFL
Zip33149-1231
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning Code0100
Legal DescriptionTROPICAL ISLE HOMES SUB 4TH ADDN PB 53-39 LOT 3 BLK 30 LOT SIZE 84.620 X 100 OR 14617-788 0790 1
Legal Range42E
Legal Township54S
Legal Section32
Legal SubdivisionTROPICAL ISLE HOMES SUB 4TH ADDN
Legal Block30
Legal Lot Number3
JurisdictionDADE FL
Township / Civil DivisionKEY BISCAYNE
Census Block Group3
Census Block3011
Census Tract4602

Owner

Source: Miami-Dade County records · APN 24-4232-006-3180

Assessment roll updated July 21, 2025 · Last verified August 2026

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

Owner of Record2 Individual Names on File
Mailing Address365 HARBOR CT, KEY BISCAYNE, FL 33149-1231
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Feb 09, 2021Deed of Trust, Mortgage · Conventional Mortgage
THE NORTHERN TRUST CO
May 26, 2022Warranty Deed, Transfer · Conventional Mortgage
JPMORGAN CHASE BANK NA

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleMay 26, 2022 · Amount on Record
Deed SaleMay 26, 2022 · Amount on Record
Deed Document Number2022434588
Deed Book / Page33212 / 1066
Record UpdatedSep 20, 2026

February 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionDADE FL
Property Address365 HARBOR CT, KEY BISCAYNE, FL 33149-1231
Transaction TypeMortgage
Record UpdatedJan 19, 2023

Transferred To (Grantee/Buyer)

NameVerified Name
Address365 HARBOR CT, KEY BISCAYNE, FL 33149-1231

Mortgage

Document Number0000103253
DateFeb 09, 2021
Book Page32342/633
Instrument2021R0103253
Lender
NameTHE NORTHERN TRUST CO
TypeBank
AddressCHICAGO, IL 60603
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueMar 01, 2051
Interest
Rate TypeAdjustable Rate
Rate3%
Type Change DateMar 01, 2028
Change FrequencyAnnually
Min Rate At Change2.25%
Max Rate At Change8%
Index1-Year LIBOR
Max Rate8%

May 2022: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionDADE FL
Recording DateMay 26, 2022
Property Address365 HARBOR CT, KEY BISCAYNE, FL 33149-1231
Document Number0000434588
Book / Page33212 / 1066
Map ReferenceMB 53 PG 39
Instrument DateMay 24, 2022
Instrument2022R0434588
Transaction TypeTransfer
Record UpdatedJan 19, 2023
Title CompanyATTORNEY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$19,800.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address365 HARBOR CT, KEY BISCAYNE, FL 33149-1231

Transferred To (Grantee/Buyer)

NameVerified Name
Address365 HARBOR CT, KEY BISCAYNE, FL 33149-1231

Mortgage

Document Number0000434589
DateMay 26, 2022
Book Page33212/1068
Instrument2022R0434589
Lender
NameJPMORGAN CHASE BANK NA
TypeBank
AddressDOWNERS GROVE, IL 60515
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueJun 01, 2052
Interest
Rate TypeAdjustable Rate
Rate3.87%
Type Change DateJun 01, 2032
Change Frequency6 Months
Min Rate At Change2.75%
Max Rate At Change8.87%
IndexOther
Max Rate8.87%

Tax Assessment & Valuation

Source: Miami-Dade County records · Assessment roll updated July 21, 2025 · Last verified August 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, not market price estimates; both are a fraction of this property's market value.

YearTax BillAssessed ValueAssessed Market Value
2025$43,310.00 (+0.61%) Homeowner's exemption$2,725,139 (+2.79%)$2,899,555 (+9.36%) Land $2,200,120 Building $699,435
2023$43,048.00 (+75.66%) Homeowner's exemption$2,651,294 (+75.51%) Land $1,946,260 Building $705,034$2,651,294 (+34.86%) Land $1,946,260 Building $705,034
2022$24,507.00 Homeowner's exemption$1,510,642$1,965,911 Land $1,493,543 Building $472,368

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of January 25, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

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 Record
median of 489 individual policies
Community Rating SystemClass 8 (10% premium discount)
Nearby Flood Policies548 units insured
incl. 59 condo units
Nearby Flood Claims790 (1979–2021)
Most Recent ClaimOct 2021 · rainfall accumulation
Claims by Event
  • Hurricane Irma, Sep 2017 · 69 claims
  • Hurricane Katrina, Aug 2005 · 44 claims
  • Hurricane Andrew, Aug 1992 · 565 claims

Wildfire

Wildfire RiskNot rated
no burnable land within 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 as of December 31, 2025 · Last verified October 2026

ProviderMax Down / Up (Mbps)
AT&T
Fiber · DSL · Fixed Wireless in parts of the area
5,000 / 5,000
Xfinity
Cable
2,000 / 250
T-Mobile USA
Fixed Wireless
100 / 20

May also be available: Verizon.

Based on FCC filings for 533 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water SystemMDWASA - MAIN SYSTEM
serves 2,377,460 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.

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