641 S Mashta Dr, Key Biscayne, FL 33149 Property Records

Miami-Dade County property record for 641 S Mashta Dr, Key Biscayne, FL 33149

Property Summary

Property Type	Single Family Home
Details	6 bd · 7 ba · 5,024 sqft · built 1983
Lot Size	0.23 acres (10,000 sqft)
Owner	2 Individual Names on Record
Last Sale	$3,400,000 (Feb 2016)
Tax Bill	$93,203 (2025)
Deeds & Mortgages	Jun 2021 Sale & Mortgage Mar 2021 Mortgage + 2 more
Flood Zone	Zone AE (high risk)
APN	`24-5205-008-0160`

Property Details

APN / Parcel Number

Primary APN	`24-5205-008-0160`

Interior

Bedrooms	6 Beds
Full Baths	7 Baths
Stories	3 Stories
Building Area	5,024 sqft Living Area
Gross Area	7,783 sqft

Exterior

Year Built	Built 1983
Effective Year Built	Effective 2020
Exterior Material	Concrete Block
Construction Type	Concrete Block
Lot Area	10,000 sqft (0.23 acres)
Lot Dimensions	100 ft deep x 100 ft wide
Pool Type	Pool with Hot Tub/Spa
Patio Area	822 sqft

Location & Zoning

Street Address	641 S MASHTA DR
City	KEY BISCAYNE
State	FL
Zip	33149-1747
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	2001
Legal Description	5-6 55 42 MASHTA ISLAND PB 60-93 LOT 9 BLK 2 LOT SIZE100.000 X 100 OR 10562-720 0679 5 COC 23254-0911 03 2005 5
Legal Range	42E
Legal Township	55S
Legal Section	05
Legal Subdivision	MASHTA ISLAND
Legal Block	2
Legal Lot Number	9
Jurisdiction	DADE FL
Township / Civil Division	KEY BISCAYNE
Census Block Group	1
Census Block	1023
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 Individual Names on Record
Mailing Address	641 S MASHTA DR, KEY BISCAYNE, FL 33149-1747
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jun 30, 2021	Warranty Deed, Transfer · Conventional Mortgage CITY NATIONAL BANK OF FLORIDA
Mar 4, 2021	Warranty Deed, Transfer · Conventional Mortgage LUXURY MORTGAGE CORP
Jan 17, 2018	Deed of Trust, Mortgage · Line of Credit LONDON FINANCIAL CO LLC
Jun 10, 2018	Loan Modification, Mortgage LONDON FIN'L

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 23, 2016 · Amount on Record
Deed Sale	Feb 23, 2016 · Amount on Record
Deed Document Number	2016111034
Deed Book / Page	29972 / 2797
Prior Transfer Date	Mar 22, 2005
Prior Transfer Doc	0000352454
Record Updated	Oct 29, 2026

June 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	DADE FL
Recording Date	Jun 30, 2021
Property Address	641 S MASHTA DR, KEY BISCAYNE, FL 33149-1747
Document Number	0000466030
Book / Page	32592 / 156
Map Reference	MB 60 PG 93
Instrument Date	Jun 18, 2021
Instrument	2021R0466030
Transaction Type	Transfer
Record Updated	Apr 2, 2024
Title Company	ATTORNEY ONLY, ATTORNEY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$38,880.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	2500 NW NORTH RIVER DR, MIAMI, FL 33125-1244

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	641 S MASHTA DR, KEY BISCAYNE, FL 33149-1747

Mortgage

Document Number	0000000158
Date	Jun 30, 2021
Instrument	32592/158

Lender

Name	CITY NATIONAL BANK OF FLORIDA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jul 1, 2051

March 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	DADE FL
Recording Date	Mar 4, 2021
Property Address	641 S MASHTA DR, KEY BISCAYNE, FL 33149-1747
Document Number	0000160283
Book / Page	32382 / 129
Map Reference	MB 60 PG 93
Instrument Date	Feb 19, 2021
Instrument	2021R0160283
Transaction Type	Transfer
Record Updated	Apr 2, 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	641 S MASHTA DR, KEY BISCAYNE, FL 33149-1747

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	641 S MASHTA DR, KEY BISCAYNE, FL 33149-1747

Mortgage

Document Number	0000000131
Date	Mar 4, 2021
Instrument	32382/131

Lender

Name	LUXURY MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Mar 1, 2051

January 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DADE FL
Property Address	641 S MASHTA DR, KEY BISCAYNE, FL 33149-1747
Transaction Type	Mortgage
Record Updated	Feb 7, 2021
Title Company	ATTORNEY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000034240
Date	Jan 17, 2018
Book Page	30831/2894
Instrument	2018R0034240

Lender

Name	LONDON FINANCIAL CO LLC
Type	Mortgage Company
Address	KEY BISCAYNE, FL 33149

Agreement

Type	Line of Credit
Amount	Amount Recorded

June 2018: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	DADE FL
Property Address	641 S MASHTA DR, KEY BISCAYNE, FL 33149-1747
Document Number	0000510202
Instrument Date	Jun 10, 2018
Transaction Type	Mortgage
Record Updated	Sep 11, 2018
Title Company	ATTORNEY ONLY

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Corporate Trust
Address	1331 BRICKELL BAY DR MIAMI FL 331313690, MIAMI, FL 33131-3690

Mortgage

Document Number	0000510202
Date	Aug 22, 2018
Book Page	031110/001156
Instrument	510202

Lender

Name	LONDON FIN'L
Type	Funding / Finance Company
Address	KEY BISCAYNE, FL 33146

Agreement

Amount	Amount Recorded

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	$93,203.00 (+3.59%) Homeowner's exemption	$5,950,954 (+5.99%)	$6,398,171 (+2.92%) Land $3,100,000 Building $3,298,171
2023	$89,971.00 (+3.22%) Homeowner's exemption	$5,614,798 (+3%)	$6,216,910 (+14.05%) Land $2,850,000 Building $3,366,910
2022	$87,161.00	$5,451,261 Land $2,050,000 Building $3,401,261	$5,451,261 Land $2,050,000 Building $3,401,261

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

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on S Mashta Dr

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

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