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

Miami-Dade County property record for 480 S Mashta Dr, Key Biscayne, FL 33149

Property Summary

Property Type	Single Family Home
Details	3 bd · 4 ba · 3,113 sqft · built 1969
Lot Size	0.386 acres (16,800 sqft)
Owner	2 Company Names on Record
Tax Bill	$27,369 (2025)
Deeds & Mortgages	Sep 2018 Loan Modification Sep 2018 Loan Modification
Flood Zone	Zone AE (high risk)
APN	`24-5205-017-0190`

Property Details

APN / Parcel Number

Primary APN	`24-5205-017-0190`

Interior

Bedrooms	3 Beds
Full Baths	4 Baths
Stories	1 Story
Building Area	3,113 sqft Living Area
Gross Area	4,799 sqft
1st Floor Area	3,113 sqft

Exterior

Year Built	Built 1969
Effective Year Built	Effective 1979
Exterior Material	Concrete Block/Hollow Tile/Frame
Construction Type	Concrete Block
Lot Area	16,800 sqft (0.386 acres)
Lot Dimensions	140 ft deep x 120 ft wide
Patio Area	885 sqft

Location & Zoning

Street Address	480 S MASHTA DR
City	KEY BISCAYNE
State	FL
Zip	33149-1731
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	2001
Legal Description	5 55 42 SMUGGLERS COVEPB 78-83 LOT 19 LOT SIZE120.000 X 140 OR 11723-405 0383 1
Legal Range	42E
Legal Township	55S
Legal Section	05
Legal Subdivision	SMUGGLERS COVE
Legal Block	1
Legal Lot Number	19
Jurisdiction	DADE FL
Township / Civil Division	KEY BISCAYNE
Census Block Group	1
Census Block	1004
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	480 S MASHTA DR, KEY BISCAYNE, FL 33149-1731
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Revocable Trust

Deeds, Mortgages & Sale History

Date	Document
Sep 1, 2018	Loan Modification, Mortgage · Conventional Mortgage NORTHERN TR
Sep 1, 2018	Loan Modification, Mortgage NORTHERN TR

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Mar 10, 2025
Transfer Doc	0000211705
Record Updated	Oct 29, 2026

September 2018: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	DADE FL
Property Address	480 S MASHTA DR, KEY BISCAYNE, FL 33149-1731
Document Number	0000550928
Instrument Date	Sep 1, 2018
Transaction Type	Mortgage
Record Updated	Sep 28, 2018

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Married Couple
Address	480 S MASHTA DR KEY BISCAYNE FL 331491731, KEY BISCAYNE, FL 33149-1731

Mortgage

Document Number	0000550928
Date	Sep 11, 2018
Book Page	031134/003966
Instrument	550928

Lender

Name	NORTHERN TR
Address	CHICAGO, IL 60603

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	60 Months
Due	Sep 10, 2023

September 2018: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	DADE FL
Property Address	480 S MASHTA DR, KEY BISCAYNE, FL 33149-1731
Document Number	0000075420
Instrument Date	Sep 1, 2018
Transaction Type	Mortgage
Record Updated	Feb 20, 2019

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Married Couple
Address	480 S MASHTA DR KEY BISCAYNE FL 331491731, KEY BISCAYNE, FL 33149-1731

Mortgage

Document Number	0000075420
Date	Feb 6, 2019
Book Page	031316/002676
Instrument	75420

Lender

Name	NORTHERN TR
Address	50 S LA SALLE ST, CHICAGO, IL 60603-1008

Agreement

Amount	Amount Recorded
Term	60 Months
Due	Feb 5, 2024

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	$27,369.00 (+3.82%) Homeowner's exemption	$1,678,639 (+5.99%)	$10,886,260 (+18.59%) Land $10,416,000 Building $470,260
2023	$26,361.00 (+5.81%) Homeowner's exemption	$1,583,817 (+3%)	$9,179,819 (+8.5%) Land $8,702,400 Building $477,419
2022	$24,914.00 Homeowner's exemption	$1,537,687	$8,460,998 Land $7,980,000 Building $480,998

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

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