730 Harbor Dr, Key Biscayne, FL 33149 Property Records

Miami-Dade County property record for 730 Harbor Dr, Key Biscayne, FL 33149

Property Summary

Property Type	Single Family Home
Details	6 bd · 5 ba · 5,889 sqft · built 1967
Lot Size	0.561 acres (24,430 sqft)
Owner	2 Company Names on Record
Last Sale	$8,200,000 (Jun 2020)
Tax Bill	$128,361 (2025)
Deeds & Mortgages	Jun 2020 Sale & Mortgage
Flood Zone	Zone AE (high risk)
APN	`24-5205-001-3340`

Property Details

APN / Parcel Number

Primary APN	`24-5205-001-3340`

Interior

Bedrooms	6 Beds
Full Baths	5 Baths
Stories	2 Stories
Building Area	5,889 sqft Living Area
Gross Area	7,744 sqft

Exterior

Year Built	Built 1967
Effective Year Built	Effective 1980
Exterior Material	Concrete Block
Construction Type	Concrete Block
Lot Area	24,430 sqft (0.561 acres)
Garage Area	450 sqft

Exterior Amenities

Porch	Porch
Porch Area	488 sqft
Patio Area	560 sqft
Boat Access	Boat Access

Location & Zoning

Street Address	730 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	BISCAYNE KEY ESTS PB 50-61 LOT 13BLK 19 LOT SIZE24430 SQ FT OR 12536-3142 0685 1 COC 24811-1766 08 2006 1
Legal Range	42E
Legal Township	55S
Legal Section	05
Legal Subdivision	BISCAYNE KEY ESTS
Legal Block	19
Legal Lot Number	13
Jurisdiction	DADE FL
Township / Civil Division	KEY BISCAYNE
Census Block Group	1
Census Block	1003
Census Tract	4602

Owner

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

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

Owner of Record	2 Company Names on Record
Mailing Address	730 HARBOR DR, KEY BISCAYNE, FL 33149-1710
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 8, 2020 · Amount on Record
Deed Sale	Jun 8, 2020 · Amount on Record
Prior Sale	Aug 10, 2006 · Amount on Record
Deed Document Number	2020321232
Deed Book / Page	31963 / 699
Record Updated	Oct 29, 2026

June 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	DADE FL
Recording Date	Jun 8, 2020
Property Address	730 HARBOR DR, KEY BISCAYNE, FL 33149-1710
Document Number	0000321232
Book / Page	31963 / 699
Map Reference	MB 50 PG 61
Instrument Date	Jun 2, 2020
Instrument	2020R0321232
Transaction Type	Transfer
Record Updated	Feb 1, 2022
Title Company	ATTORNEY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$49,200.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	791 CRANDON BLVD # BLVDPH8, 791, KEY BISCAYNE, FL 33149-2549

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	730 HARBOR DR, KEY BISCAYNE, FL 33149-1710

Mortgage

Document Number	0000000701
Date	Jun 8, 2020
Instrument	31963/701

Lender

Name	MORGAN STANLEY PRIVATE BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jul 1, 2050

Interest

Rate Type	Adjustable Rate
Rate	2.65%
Type Change Date	Jul 1, 2030
Min Rate At Change	2.5%
Max Rate At Change	7.65%
Index	1-Year LIBOR
Max Rate	7.65%

Tax Assessment & Valuation

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$128,361.00 (+3.64%) Homeowner's exemption	$8,155,282 (+5.99%)	$13,665,410 (+27.62%) Land $12,215,000 Building $1,450,410
2023	$123,852.00 (+3.89%) Homeowner's exemption	$7,694,607 (+3%)	$10,708,103 (+43.34%) Land $9,234,540 Building $1,473,563
2022	$119,220.00	$7,470,493 Land $5,985,350 Building $1,485,143	$7,470,493 Land $5,985,350 Building $1,485,143

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 January 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

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

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 Risk	Not 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 System	MDWASA - MAIN SYSTEM serves 2,377,460 people · EPA ID FL4130871
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, 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 247 locations within half a mile, as of December 31, 2025

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 Fixed Wireless	100 / 20