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

Miami-Dade County property record for 400 S Mashta Dr, Key Biscayne, FL 33149

Property Summary

Property Type	Single Family Home
Details	4 bd · 4 ba · 8,234 sqft · built 2003
Lot Size	0.835 acres (36,355 sqft)
Owner	Company Name on File
Last Sale	$30,000 (Jun 2012)
Tax Bill	$341,173 (2025)
Deeds & Mortgages	Jan 2022 Sale
Flood Zone	Zone AE (high risk)
APN	`24-5205-017-0150`

Property Details

APN / Parcel Number

Primary APN	`24-5205-017-0150`

Interior

Bedrooms	4 Beds
Full Baths	4 Baths
Stories	2 Stories
Building Area	8,234 sqft Living Area
Gross Area	12,351 sqft

Exterior

Year Built	Built 2003
Effective Year Built	Effective 2012
Exterior Material	Concrete Block/Stucco
Construction Type	Concrete Block
Roof Type	Rigid Frame Bar Joist
Roof Material	Other
Lot Area	36,355 sqft (0.835 acres)
Garage Area	1,136 sqft

Exterior Amenities

Pool Type	Pool with Hot Tub/Spa
Pool Area	36 sqft
Porch	Porch
Porch Area	442 sqft
Patio Area	500 sqft
Boat Access	Boat Access

Location & Zoning

Street Address	400 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 COVE PB 78-83 LOT 15 LOT SIZE 36,355 SQ FT OR 19498-3786 02/2001 1
Legal Range	42E
Legal Township	55S
Legal Section	05
Legal Subdivision	SMUGGLERS COVE
Legal Block	1
Legal Lot Number	15
Jurisdiction	DADE FL
Township / Civil Division	KEY BISCAYNE
Census Block Group	1
Census Block	1004
Census Tract	4602

Owner

400 S Mashta Dr is owned by a company that bought it in June 2012.

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

Owner of Record	Company Name on File
Mailing Address	776 REEF RD, VERO BEACH, FL 32963-2919
Owner Type	Company
Vesting	Limited Liability Company

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 12, 2012 · Amount on File
Deed Sale	Jun 12, 2012 · Amount on File
Prior Sale	Feb 14, 2001 · Amount on File
Deed Document Number	2012413965
Deed Book / Page	28146 / 2113
Record Updated	Oct 29, 2026

January 2022: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	DADE FL
Recording Date	Jan 5, 2022
Property Address	400 S MASHTA DR, KEY BISCAYNE, FL 33149-1731
Document Number	0000012995
Book / Page	32942 / 2926
Map Reference	MB 78 PG 83
Instrument Date	Dec 27, 2021
Instrument	2022R0012995
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	776 REEF RD, VERO BEACH, FL 32963-2919

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	776 REEF RD, VERO BEACH, FL 32963-2919

Tax Assessment & Valuation

The 2025 property tax bill for 400 S Mashta Dr was $341,173, up 7.8% from the year before.

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	$341,173.00 (+7.79%)	$21,808,007 Land $19,159,085 Building $2,648,922	$21,808,007 Land $19,159,085 Building $2,648,922
2024	$316,523.00 (+6.74%)
2023	$296,534.00 (+7.98%)	$18,509,932 (+7.54%) Land $16,007,106 Building $2,502,826	$18,509,932 (+7.54%) Land $16,007,106 Building $2,502,826
2022	$274,622.00	$17,211,752 Land $14,678,331 Building $2,533,421	$17,211,752 Land $14,678,331 Building $2,533,421

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 400 S Mashta Dr in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.

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 File 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

Wildfire risk around 400 S Mashta Dr is low, with a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 98% of the US · lower than 97.6% 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