1. Home
  2. Florida
  3. Miami-Dade County
  4. Key Biscayne
  5. Warren Ln

455 Warren Ln, Key Biscayne, FL 33149 Property Records

Miami-Dade County property record for 455 Warren Ln, Key Biscayne, FL 33149

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 2,182 sqft · built 1951
Lot Size0.175 acres (7,633 sqft)
Owner2 Individual Names on File
Last Sale$1,800,000 (Jan 2021)
Tax Bill$23,184 (2025)
Deeds & MortgagesJan 2021 Sale & Mortgage
Oct 2018 Loan Modification
Flood ZoneZone AE (high risk)
APN24-4232-004-0280

Property Details

APN / Parcel Number

Primary APN24-4232-004-0280

Interior

Bedrooms3 Beds
Full Baths2 Baths
Stories1 Story
Building Area2,182 sqft Living Area
Gross Area2,281 sqft
1st Floor Area2,182 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1951
Effective Year BuiltEffective 2010
Exterior MaterialStucco
Construction TypeConcrete Block
Roof TypeGable/Hip
Roof MaterialTile
Lot Area7,633 sqft (0.175 acres)
Lot Dimensions100 ft deep x 76.3 ft wide
Patio Area50 sqft

Location & Zoning

Street Address455 WARREN LN
CityKEY BISCAYNE
StateFL
Zip33149-1824
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning Code0100
Legal DescriptionTROPICAL ISLE HOMES SUB 1ST ADDN PB 50-72 LOT 12BLK 4 LOT SIZE 76.330 X 100 OR 18429-3407-3427 1298 1 COC 23146-2287 02 2005 1
Legal Range42E
Legal Township54S
Legal Section32
Legal SubdivisionTROPICAL ISLE HOMES SUB 1ST ADDN
Legal Block4
Legal Lot Number12
JurisdictionDADE FL
Township / Civil DivisionKEY BISCAYNE
Census Block Group3
Census Block3008
Census Tract4602

Owner

455 Warren Ln is owned and occupied by two individuals who bought it in January 2021.

Source: Miami-Dade County records, as of October 21, 2026

Owner of Record2 Individual Names on File
Mailing Address455 WARREN LN, KEY BISCAYNE, FL 33149-1824
OccupancyOwner Occupied
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

DateDocument
Jan 12, 2021Warranty Deed, Transfer · Conventional Mortgage
JPMORGAN CHASE BANK NA
Oct 1, 2018Loan Modification, Mortgage
SABADELL UNITED BK NA

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJan 12, 2021 · Amount on File
Deed SaleJan 12, 2021 · Amount on File
Prior SaleOct 1, 2013 · Amount on File
Deed Document Number202124144
Deed Book / Page32286 / 1653
Record UpdatedOct 29, 2026

January 2021: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionDADE FL
Recording DateJan 12, 2021
Property Address455 WARREN LN, KEY BISCAYNE, FL 33149-1824
Document Number0000024144
Book / Page32286 / 1653
Map ReferenceMB 50 PG 72
Instrument DateDec 16, 2020
Instrument2021R0024144
Transaction TypeTransfer
Record UpdatedFeb 1, 2022
Title CompanyATTORNEY

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$10,800.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address445 WARREN LN, 445, KEY BISCAYNE, FL 33149-1824

Transferred To (Grantee/Buyer)

NameVerified Name
Address455 WARREN LN, KEY BISCAYNE, FL 33149-1824

Mortgage

Document Number0000001655
DateJan 12, 2021
Instrument32286/1655
Lender
NameJPMORGAN CHASE BANK NA
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueJan 1, 2051

October 2018: Loan Modification, Mortgage

Document TypeLoan Modification
JurisdictionDADE FL
Property Address455 WARREN LN, KEY BISCAYNE, FL 33149-1824
Document Number0000722796
Instrument DateOct 1, 2018
Transaction TypeMortgage
Record UpdatedDec 19, 2018

Transferred To (Grantee/Buyer)

NameVerified Name
Address455 WARREN LN KEY BISCAYNE FL 331491824, KEY BISCAYNE, FL 33149-1824

Mortgage

Document Number0000722796
DateNov 29, 2018
Book Page031237/000170
Instrument722796
Lender
NameSABADELL UNITED BK NA
TypeBank
Agreement
AmountAmount on Record
Term300 Months
DueNov 28, 2043
Interest
Rate2.25%

Tax Assessment & Valuation

The 2025 property tax bill for 455 Warren Ln was $23,184 with a homeowner's exemption.

Source: Miami-Dade County assessment roll, as of October 21, 2026

Property Jurisdictions

TypeName
StateFlorida
CountyMiami-Dade County
MunicipalityKey Biscayne Village
Unified School DistrictDade County School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$23,184.00 Homeowner's exemption$1,439,929$2,304,048 Land $1,984,580 Building $319,468
2023$22,351.00 (+4.03%) Homeowner's exemption$1,358,591 (+3%)$2,057,575 (+24.62%) Land $1,755,590 Building $301,985
2022$21,485.00 Homeowner's exemption$1,319,021$1,651,084 Land $1,347,224 Building $303,860

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

Flood

FEMA maps place 455 Warren Ln in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.

Source: FEMA National Flood Hazard Layer, effective January 25, 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 Elevation10.0 ft
Flood Insurance RequirementRequired
federally backed loans
Flood Insurance CostPremium on File
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

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 455 Warren Ln 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.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemMDWASA - MAIN SYSTEM
serves 2,377,460 people · EPA ID FL4130871
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, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 533 locations within half a mile, as of December 31, 2025

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
Fixed Wireless		100 / 20

May also be available: Verizon.

Nearby Properties on Warren Ln

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures