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

Miami-Dade County property record for 541 S Mashta Dr, Key Biscayne, FL 33149

Property Summary

Property Type	Single Family Home
Details	5 bd · 6.5 ba · 4,757 sqft · built 2008
Lot Size	0.23 acres (10,000 sqft)
Owner	Company Name on Record
Last Sale	$3,250,000 (Jul 2013)
Tax Bill	$68,284 (2025)
Deeds & Mortgages	Sep 2020 Sale
Flood Zone	Zone AE (high risk)
APN	`24-5205-009-0340`

Property Details

APN / Parcel Number

Primary APN	`24-5205-009-0340`

Interior

Bedrooms	5 Beds
Full Baths	6.5 Baths
Half Baths	1 Half Bath
Stories	3 Stories
Building Area	4,757 sqft Living Area
Gross Area	6,217 sqft
Elevator	Elevator

Exterior

Year Built	Built 2008
Effective Year Built	Effective 2008
Exterior Material	Concrete Block/Stucco
Foundation Type	Footing
Roof Type	Gable
Roof Material	Tile
Lot Area	10,000 sqft (0.23 acres)
Lot Dimensions	100 ft deep x 100 ft wide
Garage Type	Carport
Carport	Carport
Porch	Porch
Porch Area	448 sqft
Patio Area	500 sqft

Location & Zoning

Street Address	541 S MASHTA DR
City	KEY BISCAYNE
State	FL
Zip	33149-1732
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	2001
Legal Description	5-6 55 42 MASHTA ISLAND A REPLAT OF TRS A B & C PB 65-65 LOT 14BLK 4 LOT SIZE100.000 X 100 OR 18660-3711 0699 1 COC 24417-0095 03 2006 1
Legal Range	42E
Legal Township	55S
Legal Section	05
Legal Subdivision	MASHTA ISLAND
Legal Tract	A
Legal Block	4
Legal Lot Number	14
Jurisdiction	DADE FL
Township / Civil Division	KEY BISCAYNE
Census Block Group	1
Census Block	1022
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	Company Name on Record
Mailing Address	141 CAPE FLORIDA DR, KEY BISCAYNE, FL 33149-2708
Owner Type	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 25, 2013 · Amount on Record
Deed Sale	Jul 25, 2013 · Amount on Record
Prior Sale	Apr 11, 2006 · Amount on Record
Deed Document Number	2013583996
Deed Book / Page	28741 / 949
Record Updated	Oct 29, 2026

September 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	DADE FL
Recording Date	Sep 16, 2020
Property Address	541 S MASHTA DR, KEY BISCAYNE, FL 33149-1732
Document Number	0000525570
Book / Page	032102 / 001621
Instrument Date	Jul 7, 2020
Instrument	525570
Transaction Type	Transfer
Record Updated	Oct 6, 2020
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	141 CAPE FLORIDA DR KEY BISCAYNE FL 331492708, KEY BISCAYNE, FL 33149-2708

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	$68,284.00 (+7.09%)	$4,093,938 (-5.88%)	$4,564,893 (+4.95%) Land $3,100,000 Building $1,464,893
2024	$63,761.00 (+3.21%)
2023	$61,779.00 (+15.98%)	$4,349,753 (+21.94%) Land $2,850,000 Building $1,499,753	$4,349,753 (+21.94%) Land $2,850,000 Building $1,499,753
2022	$53,267.00	$3,567,183 Land $2,050,000 Building $1,517,183	$3,567,183 Land $2,050,000 Building $1,517,183

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	Low lower than 96% of the US · lower than 96% of Florida
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond 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