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431 Harbour Dr, Marathon, FL 33050 Property Records

Monroe County property record for 431 Harbour Dr, Marathon, FL 33050

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 3,665 sqft · built 1993
Lot Size0.258 acres (11,250 sqft)
OwnerCompany Name on Record
Tax Bill$7,508 (2025)
Deeds & MortgagesMar 2019 Transfer
Flood ZoneZone AE (high risk)
APN00376951-002500

Property Details

APN / Parcel Number

Primary APN00376951-002500
Alternative APNs
  • 20653400376951002500
  • 1460265

Interior

Bedrooms3 Beds
Full Baths2 Baths
Stories2 Stories
Building Area3,665 sqft Living Area
Gross Area5,382 sqft
1st Floor Area2,673 sqft
FlooringConcrete/Cement
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1993
Effective Year BuiltEffective 1998
Exterior MaterialConcrete Block
Construction TypeConcrete Block
Foundation TypePile
Roof TypeGable/Hip
Roof MaterialMetal
Lot Area11,250 sqft (0.258 acres)
View / LotWaterfront
Garage TypeAttached
Garage Area1,717 sqft

Exterior Amenities

PorchSlab
Porch Area1,192 sqft
Deck Area1,870 sqft
Patio Area1,870 sqft
Boat AccessBoat Access

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air with A/C

Location & Zoning

Account Number1460265
Street Address431 HARBOUR DR
CityMARATHON
StateFL
Zip33050-3801
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeIS-M
Legal DescriptionLTS 23 & 23A AMENDED PLAT HARBOUR ISLAND DUCK KEY PB6-84 OR707-798/806 OR788-545 OR809-1097 OR814-1224 OR1077-935 OR1206-2268 OR1249-2295 OR1349-2121 OR2955-0424
Legal Range34E
Legal Township65S
Legal Section20
Legal SubdivisionHARBOUR ISLAND AMD
Legal Lot Number23
JurisdictionMONROE FL
Township / Civil DivisionMIDDLE KEYS
Census Block Group2
Census Block2018
Census Tract971002

Owner

Source: Monroe County records, as of May 4, 2026

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

Owner of RecordCompany Name on Record
Mailing Address431 HARBOUR DR, MARATHON, FL 33050-3801
OccupancyOwner Occupied
Owner TypeCompany
VestingBorrower in Default

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleMar 26, 2019
Deed SaleMar 26, 2019
Prior SaleApr 19, 1995 · Amount on Record
Deed Document Number20192212316
Deed Book / Page2955 / 424
Prior Transfer DateMar 19, 2019
Prior Transfer Doc0029550424
Record UpdatedOct 29, 2026

March 2019: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionMONROE FL
Recording DateMar 26, 2019
Property Address431 HARBOUR DR, MARATHON, FL 33050-3801
Document Number0029550424
Book / Page002955 / 000424
Instrument DateMar 19, 2019
Instrument2212316
Transaction TypeTransfer
Record UpdatedMay 14, 2019
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address431 HARBOUR DR MARATHON FL 330503801, MARATHON, FL 33050-3801

Tax Assessment & Valuation

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$7,508.00 (+1.32%) Homeowner's exemption$800,496 (+5.99%)$2,576,681 (-9.08%) Land $2,133,341 Building $443,340
2024$7,410.00 (+3.77%)
2023$7,141.00 (+2.72%) Homeowner's exemption$755,278 (+3%)$2,833,992 (+48.7%) Land $2,412,116 Building $421,876
2022$6,952.00 Homeowner's exemption$733,280$1,905,819 Land $1,488,378 Building $417,441

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

Flood

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 Record
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

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 77 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Verizon
Fixed Wireless		300 / 20

May also be available: AT&T.

Cell Coverage

5G (outdoors only) and 4G LTE

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