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421 9th St, Key Colony Beach, FL 33051 Property Records

Monroe County property record for 421 9th St, Key Colony Beach, FL 33051

Property Summary

Property TypeSingle Family Home
Details2 bd · 2 ba · 1,181 sqft · built 1971
Lot Size0.094 acres (4,125 sqft)
Owner2 Individual Names on File
Last Sale$479,000 (May 2019)
Tax Bill$6,314 (2024)
Deeds & MortgagesMay 2019 Sale
Flood ZoneZone AE (high risk)
APN00075620-000100

Property Details

APN / Parcel Number

Primary APN00075620-000100
Alternative APNs
  • 05663300075620000100
  • 1081191

Interior

Bedrooms2 Beds
Full Baths2 Baths
Stories1 Story
Building Area1,181 sqft Living Area
1st Floor Area1,181 sqft
FlooringConcrete/Cement
Interior WallsWallboard/Drywall
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1971
Effective Year BuiltEffective 2006
Exterior MaterialOther
Construction TypeMasonry / Concrete Block
Foundation TypeSlab (Mat/Raft)
Roof TypeGable/Hip
Roof MaterialTar & Gravel
Lot Area4,125 sqft (0.094 acres)
Lot Dimensions110 ft deep x 38 ft wide
Garage Area684 sqft

Exterior Amenities

PorchOpen Porch
Porch Area474 sqft
Deck Area240 sqft
Patio Area432 sqft
FenceFence
Boat AccessBoat Access

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air

Location & Zoning

Account Number1081191
Old Parcel Number05663300075620000100
Street Address421 9TH ST
CityKEY COLONY BEACH
StateFL
Zip33051
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionBK 10 S 1/2 LT 17 KEY COLONY BEACH FIRST ADDN AMD PLAT SHELTER KEY PB4-11 OR478-336 OR751-681/82 OR751-1802 OR751-1803
Legal Range33E
Legal Township66S
Legal Section05
Legal SubdivisionKEY COLONY BEACH 1ST ADD
Legal Block10
Legal Lot Number17
JurisdictionMONROE FL
Township / Civil DivisionMIDDLE KEYS
Census Block Group1
Census Block1012
Census Tract971001

Owner

421 9th St is owned by two individuals who bought it in May 2019.

Source: Monroe County records, as of December 5, 2025

Owner of Record2 Individual Names on File
Mailing AddressPO BOX 510602, KEY COLONY BEACH, FL 33051-0602
Owner TypeIndividual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMay 6, 2019 · Amount on File
Deed SaleMay 6, 2019 · Amount on File
Prior SaleOct 9, 2012 · Amount on File
Deed Document Number2218528
Deed Book / Page2962 / 1153
Record UpdatedJun 8, 2026

May 2019: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionMONROE FL
Recording DateMay 6, 2019
Property Address421 9TH ST, KEY COLONY BEACH, FL 33051
Document Number0029621153
Book / Page002962 / 001153
Instrument DateApr 25, 2019
Instrument2218528
Transaction TypeTransfer
Record UpdatedJun 12, 2019
Title CompanyATTORNEY ONLY

Transaction

AmountAmount on Record
Tax$3,353.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
AddressPO BOX 510602 KEY COLONY BEACH FL 330510602, KEY COLONY BEACH, FL 33051-0602

Tax Assessment & Valuation

Source: Monroe County assessment roll, as of July 1, 2025

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$699,549 Land $486,750 Building $212,799$699,549 Land $486,750 Building $212,799
2024$6,314.00 (+6.19%)
2023$5,946.00 (+13.67%)$689,531 (+22.14%) Land $474,375 Building $215,156$689,531 (+22.14%) Land $474,375 Building $215,156
2022$5,231.00$564,562 Land $379,500 Building $185,062$564,562 Land $379,500 Building $185,062

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

Flood

FEMA maps place 421 9th St 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 Elevation6.0 ft
Flood Insurance RequirementRequired
federally backed loans
Flood Insurance CostPremium on File
median of 558 individual policies
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies967 units insured
incl. 409 condo units
Nearby Flood Claims861 (1979–2026)
Claims Outside the SFHA1 of 861
Most Recent ClaimFeb 2026 · other causes
Claims by Event
  • Hurricane Irma, Sep 2017 · 469 claims
  • Hurricane Wilma, Oct 2005 · 45 claims
  • Hurricane Georges, Sep 1998 · 250 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

Wildfire risk around 421 9th St is low, with less than a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 99.1% of the US · lower than 98.7% of Florida
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond 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 515 locations within half a mile, as of December 31, 2025

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

May also be available: Verizon.

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