770 Allendale Rd, Key Biscayne, FL 33149 Property Records

Miami-Dade County property record for 770 Allendale Rd, Key Biscayne, FL 33149

Property Summary

Property Type	Single Family Home
Details	5 bd · 6 ba · 3,808 sqft · built 2002
Lot Size	0.172 acres (7,500 sqft)
Owner	2 Individual Names on File
Last Sale	$375,000 (Aug 1995)
Tax Bill	$24,331 (2025)
Flood Zone	Zone AE (high risk)
APN	`24-5205-001-2030`

Property Details

APN / Parcel Number

Primary APN	`24-5205-001-2030`

Interior

Bedrooms	5 Beds
Full Baths	6 Baths
Stories	2 Stories
Building Area	3,808 sqft Living Area
Gross Area	4,584 sqft
Flooring	Vinyl/Resilient

Exterior

Year Built	Built 2002
Exterior Material	Concrete Block
Construction Type	Concrete
Lot Area	7,500 sqft (0.172 acres)
Lot Dimensions	100 ft deep x 75 ft wide

Exterior Amenities

Porch	Porch
Porch Area	188 sqft
Patio Area	320 sqft
Fence	Fence

Location & Zoning

Street Address	770 ALLENDALE RD
City	KEY BISCAYNE
State	FL
Zip	33149-2403
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	0100:SINGLE FAM,GENERAL
Legal Description	BISCAYNE KEY ESTS PB 50-61 LOT 7 BLK 13 LOT SIZE 75.000 X 100 OR 16890-0745 0895 1
Legal Range	42
Legal Township	55
Legal Section	05
Legal Subdivision	BISCAYNE KEY ESTS
Legal Block	13
Legal Lot Number	7
Jurisdiction	DADE FL
Township / Civil Division	KEY BISCAYNE
Census Block Group	3
Census Block	3035
Census Tract	4602

Owner

Source: Miami-Dade County records · APN 24-5205-001-2030

Assessment roll updated July 1, 2025 · Last verified February 2026

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

Owner of Record	2 Individual Names on File
Mailing Address	770 ALLENDALE RD, KEY BISCAYNE, FL 33149-2403
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Aug 18, 1995 · Amount on Record
Deed Sale	Aug 18, 1995 · Amount on Record
Prior Sale	Dec 08, 1993 · Amount on Record
Deed Document Number	1689000745
Deed Book / Page	16890 / 00745
Record Updated	Jun 08, 2026

Tax Assessment & Valuation

Source: Miami-Dade County records · Assessment roll updated July 1, 2025 · Last verified February 2026

Property Jurisdictions

Type	Name
State	Florida
County	Miami-Dade County
Municipality	Key Biscayne Village
Unified School District	Dade County School District (PK - 12)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$24,331.00 (+3.71%) Homeowner's exemption	$1,512,883 (+5.99%)	$2,960,694 (+7.21%) Land $1,950,000 Building $1,010,694
2023	$23,461.00 (+4.17%) Homeowner's exemption	$1,427,424 (+3%)	$2,761,609 (+16.36%) Land $1,725,000 Building $1,036,609
2022	$22,521.00 Homeowner's exemption	$1,385,849	$2,373,315 Land $1,323,750 Building $1,049,565

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of January 25, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	10.0 ft
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on Record median of 489 individual policies
Community Rating System	Class 8 (10% premium discount)
Nearby Flood Policies	548 units insured incl. 59 condo units
Nearby Flood Claims	790 (1979–2021)
Most Recent Claim	Oct 2021 · rainfall accumulation
Claims by Event	Hurricane Irma, Sep 2017 · 69 claims Hurricane Katrina, Aug 2005 · 44 claims Hurricane Andrew, Aug 1992 · 565 claims

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max 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 USA Fixed Wireless	100 / 20

May also be available: Verizon.

Based on FCC filings for 533 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	MDWASA - MAIN SYSTEM serves 2,377,460 people
Water Source	Groundwater
Last State Inspection	Dec 2023
Lead	3 ppb (2023) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	6 last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.