427 Harbour Dr, Marathon, FL 33050 Property Records

Monroe County property record for 427 Harbour Dr, Marathon, FL 33050

Property Summary

Property TypeSingle Family Home
Details4 bd · 4.5 ba · 4,458 sqft · built 2021
Lot Size0.258 acres (11,250 sqft)
OwnerTrust Name on File
Last Sale$4,650,000 (Mar 2023)
Tax Bill$34,290 (2025)
Deeds & MortgagesMar 2023 Sale
Mar 2021 Sale
+ 1 more
Flood ZoneZone AE (high risk)
APN00376951-002700

Property Details

APN / Parcel Number

Primary APN00376951-002700
Alternative APNs
  • 20653400376951002700
  • 1460281

Interior

Bedrooms4 Beds
Full Baths4.5 Baths
Half Baths1 Half Bath
Stories2 Stories
Building Area4,458 sqft Living Area
Gross Area4,858 sqft
FlooringConcrete/Cement
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 2021
Effective Year BuiltEffective 2021
Exterior MaterialConcrete Block
Construction TypeConcrete Block
Roof TypeGable/Hip
Roof MaterialMetal
Lot Area11,250 sqft (0.258 acres)
View / LotBay
Garage TypeAttached
Garage Area400 sqft
PorchSlab
Boat AccessBoat Access

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account Number1460281
Street Address427 HARBOUR DR
CityMARATHON
StateFL
Zip33050-3801
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeIS-M
Legal DescriptionLTS 25 & 25A AMENDED PLAT HARBOUR ISLAND DUCK KEY PB6-84 OR707-798/806 OR759-1686 OR761-1248/49 OR953-604 OR1065-553 OR1078-1065 OR1766-42/43 OR2123-1762/63 OR2958-572 OR3083-461 OR3173-1417CE OR3218-0887
Legal Range34E
Legal Township65S
Legal Section20
Legal SubdivisionHARBOUR ISLAND AMD
Legal Lot Number25
JurisdictionMONROE FL
Township / Civil DivisionMIDDLE KEYS
Census Block Group2
Census Block2018
Census Tract971002

Owner

427 Harbour Dr is held in a trust since March 2023.

Source: Monroe County records, as of May 4, 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 RecordTrust Name on File
Mailing Address13935 SW 252ND ST, HOMESTEAD, FL 33032-5405
Owner TypeCompany
VestingTrust, Revocable Trust

Deeds, Mortgages & Sale History

DateDocument
Mar 31, 2023Warranty Deed, Transfer
ATTORNEY ONLY, ATTORNEY
Mar 22, 2021Warranty Deed, Transfer
ATTORNEY ONLY, ATTORNEY
Apr 10, 2019Warranty Deed, Construction Loan · Construction Mortgage
LONDON FINANCIAL CO LLC

Assessor's Deed Record

Deed NamesName on Deed
Last SaleMar 31, 2023 · Amount on File
Deed SaleMar 31, 2023 · Amount on File
Prior SaleMar 22, 2021 · Amount on File
Deed Document Number20232412312
Deed Book / Page3218 / 887
Prior Transfer DateMar 17, 2021
Prior Transfer Doc0030830461
Record UpdatedJun 8, 2026

March 2023: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionMONROE FL
Recording DateMar 31, 2023
Property Address427 HARBOUR DR, MARATHON, FL 33050-3801
Document Number0032180887
Book / Page3218 / 887
Map ReferenceMB 6 PG 84
Instrument DateMar 31, 2023
Instrument2412312
Transaction TypeTransfer
Record UpdatedJan 23, 2024
Title CompanyATTORNEY ONLY, ATTORNEY

Transaction

AmountAmount on Record
Tax$32,550.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address425 ROSE HILL RD, BENTONIA, MS 39040-9212

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address13633 DEERING BAY DR APT 225, 225, CORAL GABLES, FL 33158-2814

March 2021: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionMONROE FL
Recording DateMar 22, 2021
Property Address427 HARBOUR DR, MARATHON, FL 33050-3801
Document Number0030830461
Book / Page3083 / 461
Map ReferenceMB 6 PG 84
Instrument DateMar 17, 2021
Instrument2309614
Transaction TypeTransfer
Record UpdatedJan 23, 2024
Title CompanyATTORNEY ONLY, ATTORNEY

Transaction

AmountAmount on Record
Tax$22,400.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address7480 SW 170TH TER, PALMETTO BAY, FL 33157-4887

Transferred To (Grantee/Buyer)

NameVerified Name
Address427 HARBOUR DR, DUCK KEY, FL 33050-3801

April 2019: Warranty Deed, Construction Loan

Document TypeWarranty Deed
JurisdictionMONROE FL
Recording DateApr 10, 2019
Property Address427 HARBOUR DR, DUCK KEY, FL 33050-3801
Document Number0029580572
Book / Page2958 / 0572
Map ReferenceMB 6 PG 84
Instrument DateMar 28, 2019
Instrument2214811
Transaction TypeConstruction Loan
Record UpdatedJul 29, 2022
Title CompanyP & P TITLE SERVICES

Transaction

AmountAmount on Record
Tax$5,355.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
AddressPO BOX 1107, ALPHARETTA, GA 30009-1107

Transferred To (Grantee/Buyer)

NameVerified Name
Address7480 SW 170TH TER, PALMETTO BAY, FL 33157-4887

Mortgage

Document Number0029580574
DateApr 10, 2019
Instrument2958-0574
Lender
NameLONDON FINANCIAL CO LLC
TypeMortgage Company
Agreement
TypeConstruction Mortgage
AmountAmount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 427 Harbour Dr was $34,290, down 1.5% from the year before.

Source: Monroe County assessment roll, as of December 8, 2025

Property Jurisdictions

TypeName
StateFlorida
CountyMonroe County
Unified School DistrictMonroe County School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$34,290.00 (-1.55%)$3,817,609 Land $2,133,341 Building $1,684,268$3,817,609 Land $2,133,341 Building $1,684,268
2024$34,829.00 (+1.87%)
2023$34,191.00 (+23.12%)$3,731,949 (+22.36%) Land $2,412,116 Building $1,319,833$3,731,949 (+22.36%) Land $2,412,116 Building $1,319,833
2022$27,770.00 Homeowner's exemption$3,050,016 Land $1,488,378 Building $1,561,638$3,050,016 Land $1,488,378 Building $1,561,638

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

Flood

FEMA maps place 427 Harbour Dr in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.

Source: FEMA National Flood Hazard Layer, effective September 24, 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 Elevation9.0 ft
Flood Insurance RequirementRequired
federally backed loans
Flood Insurance CostPremium on File
median of 484 individual policies
Community Rating SystemClass 3 (35% premium discount)
Nearby Flood Policies530 units insured
incl. 46 condo units
Nearby Flood Claims316 (1995–2017)
Most Recent ClaimSep 2017 · Hurricane Irma
Claims by Event
  • Hurricane Irma, Sep 2017 · 198 claims
  • Hurricane Wilma, Oct 2005 · 51 claims
  • Hurricane Georges, Sep 1998 · 55 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 427 Harbour 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 85 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · DSL
5,000 / 5,000
Xfinity
Cable
1,200 / 35
Verizon
Fixed Wireless
300 / 20
T-Mobile
Fixed Wireless
100 / 20

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Harbour Dr

Nearby Streets

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