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313 William St, Key West, FL 33040 Property Records

Monroe County property record for 313 William St, Key West, FL 33040

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 2,982 sqft · built 1938
Lot Size0.22 acres (9,573 sqft)
OwnerCompany Name on Record
Last Sale$3,750,000 (Feb 2021)
Tax Bill$34,738 (2025)
Deeds & MortgagesFeb 2021 Sale
Flood ZoneZone AE (high risk)
APN00003190-000000

Property Details

APN / Parcel Number

Primary APN00003190-000000
Alternative APNs
  • 01010100003190000000
  • 1003328

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Stories2 Stories
Building Area2,982 sqft Living Area
1st Floor Area2,690 sqft
FlooringWood
Interior WallsWood

Exterior

Year BuiltBuilt 1938
Effective Year BuiltEffective 2018
Exterior MaterialOther
Roof TypeCathedral/Clerestory
Roof MaterialMetal
Lot Area9,573 sqft (0.22 acres)
Lot Dimensions191 ft deep x 50 ft wide
Garage TypeCarport
Garage Area154 sqft
CarportCarport
Carport Area154 sqft

Exterior Amenities

Pool Area429 sqft
PorchSlab
Porch Area1,377 sqft
Patio Area4,703 sqft

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air with A/C
Heating FuelElectric

Location & Zoning

Account Number1003328
Street Address313 WILLIAM ST
CityKEY WEST
StateFL
Zip33040-6875
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeHMDR
Legal DescriptionKW PT LOT 3 SQR 21 H2-176 T-390 OR481-501 OR483-120 OR657-612 OR729-532 OR767-27 OR1009-1694 OR1363-1257 OR1363-1261 OR1363-1264 OR1561-2373 OR1994-2340 OR2368-184 OR3076-1555
Legal Range25E
Legal Township68S
Legal Section06
Legal SubdivisionSQUARE 21
Legal Lot Number3
JurisdictionMONROE FL
Township / Civil DivisionKEY WEST
Census Block Group1
Census Block1010
Census Tract972500

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic DistrictWithin the Key West Historic District
listed 1971 · 189 contributing resources · NRIS 71000245

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

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 RecordCompany Name on Record
Mailing AddressPO BOX 100, FLAT ROCK, NC 28731-0100
Owner TypeCompany
VestingLife Tenant

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleFeb 22, 2021 · Amount on Record
Deed SaleFeb 22, 2021 · Amount on Record
Prior SaleJun 24, 2008 · Amount on Record
Deed Document Number20212304787
Deed Book / Page3076 / 1555
Record UpdatedOct 29, 2026

February 2021: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionMONROE FL
Recording DateFeb 22, 2021
Property Address313 WILLIAM ST, KEY WEST, FL 33040-6875
Document Number0030761555
Book / Page3076 / 1555
Instrument DateFeb 17, 2021
Instrument2304787
Transaction TypeTransfer
Record UpdatedJun 7, 2023
Title CompanyATTORNEY

Transaction

AmountAmount Recorded
Tax$26,250.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address2235 SOTA WAY, 2235, SEBASTOPOL, CA 95472-9047

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Living Trust
AddressPO BOX 100, FLAT ROCK, NC 28731-0100
InvestorPossibly a Property Investor

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$34,738.00 (+3.11%)$4,086,262 (+11.08%) Land $2,226,297 Building $1,859,965$4,086,262 (+11.08%) Land $2,226,297 Building $1,859,965
2024$33,689.00 (+8.54%)
2023$31,038.00 (+12.49%)$3,678,563 (+13.7%) Land $1,908,449 Building $1,770,114$3,678,563 (+13.7%) Land $1,908,449 Building $1,770,114
2022$27,593.00$3,235,359 Land $1,446,002 Building $1,789,357$3,235,359 Land $1,446,002 Building $1,789,357

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 Elevation7.0 ft
Flood Insurance RequirementRequired
federally backed loans
Flood Insurance CostPremium on Record
median of 202 individual policies
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies242 units insured
incl. 40 condo units
Nearby Flood Claims400 (1978–2024)
Claims Outside the SFHA44 of 400
Most Recent ClaimMay 2024 · other causes
Claims by Event
  • Hurricane Irma, Sep 2017 · 92 claims
  • Hurricane Wilma, Nov 2005 · 117 claims
  • Hurricane Georges, Oct 1998 · 57 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 922 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · DSL		5,000 / 5,000
Xfinity
Cable		2,000 / 250
Verizon
Fixed Wireless		300 / 20
T-Mobile
Fixed Wireless		100 / 20

May also be available: Hotwire Communications.

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