770 Harbor Dr, Key Biscayne, FL 33149 Property Records

Miami-Dade County property record for 770 Harbor Dr, Key Biscayne, FL 33149

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 3,591 sqft · built 1966
Lot Size	0.35 acres (15,224 sqft)
Owner	Company Name on File
Last Sale	$1,425,000 (May 1995)
Tax Bill	$129,431 (2025)
Deeds & Mortgages	Nov 2021 Sale
Flood Zone	Zone AE (high risk)
APN	`24-5205-001-3390`

Property Details

APN / Parcel Number

Primary APN	`24-5205-001-3390`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Stories	1 Story
Building Area	3,591 sqft Living Area
Gross Area	5,056 sqft
1st Floor Area	3,591 sqft

Exterior

Year Built	Built 1966
Effective Year Built	Effective 1998
Exterior Material	Combination
Construction Type	Concrete Block
Lot Area	15,224 sqft (0.35 acres)
Patio Area	325 sqft
Boat Access	Boat Access

Location & Zoning

Street Address	770 HARBOR DR
City	KEY BISCAYNE
State	FL
Zip	33149-1710
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	2000
Legal Description	5 & 6 55 42 BISCAYNE KEY ESTS PB 50-61 LOT 18 BLK 19 LOT SIZE 15224 SQ FT OR 16790-3305 0595 1
Legal Range	42E
Legal Township	55S
Legal Section	05
Legal Subdivision	BISCAYNE KEY ESTS
Legal Block	19
Legal Lot Number	18
Jurisdiction	DADE FL
Township / Civil Division	KEY BISCAYNE
Census Block Group	1
Census Block	1003
Census Tract	4602

Owner

Source: Miami-Dade County records · APN 24-5205-001-3390

Assessment roll updated July 21, 2025 · Last verified April 2026

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

Owner of Record	Company Name on File
Mailing Address	770 HARBOR DR, KEY BISCAYNE, FL 33149-1710
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Limited Liability Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	May 23, 1995 · Amount on Record
Deed Sale	May 23, 1995 · Amount on Record
Deed Book / Page	16790 / 3305
Record Updated	Jun 08, 2026

November 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	DADE FL
Recording Date	Nov 17, 2021
Property Address	770 HARBOR DR, KEY BISCAYNE, FL 33149-1710
Document Number	0000865728
Book / Page	32856 / 2356
Map Reference	MB 50 PG 61
Instrument Date	Apr 14, 2021
Instrument	2021R0865728
Transaction Type	Transfer
Record Updated	Apr 02, 2024
Title Company	ATTORNEY ONLY, ATTORNEY

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	770 HARBOR DR, KEY BISCAYNE, FL 33149-1710

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	770 HARBOR DR, KEY BISCAYNE, FL 33149-1710

Tax Assessment & Valuation

Source: Miami-Dade County records · Assessment roll updated July 21, 2025 · Last verified April 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	$129,431.00 (+36.08%)	$8,223,312 (+28.98%) Land $7,612,000 Building $611,312	$8,223,312 (+28.98%) Land $7,612,000 Building $611,312
2024	$95,111.00 (+11.67%)
2023	$85,171.00 (+21.06%)	$6,375,773 (+46.37%) Land $5,754,672 Building $621,101	$6,375,773 (+46.37%) Land $5,754,672 Building $621,101
2022	$70,355.00	$4,355,876 Land $3,729,880 Building $625,996	$4,355,876 Land $3,729,880 Building $625,996

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 201 policies
Community Rating System	Class 8 (10% premium discount)
Nearby Flood Policies	201 in force
Nearby Flood Claims	312 (1979–2024)
Claims Outside the SFHA	1 of 312
Most Recent Claim	Jun 2024 · rainfall accumulation
Claims by Event	Hurricane Irma, Sep 2017 · 38 claims Hurricane Wilma, Oct 2005 · 26 claims Hurricane Andrew, Aug 1992 · 195 claims

Wildfire

Wildfire Risk	Low lower than 96% of the US · lower than 96% of Florida
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond 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 · Fixed Wireless · DSL	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
T-Mobile USA Fixed Wireless	100 / 20

Based on FCC filings for 247 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.