Miami-Dade County property record for 571 N Mashta Dr, Key Biscayne, FL 33149
| Property Type | Residential Vacant Land |
|---|---|
| Details | 3 bd · 3 ba · 3,239 sqft · built 1967 |
| Lot Size | 0.349 acres (15,200 sqft) |
| Owner | Individual Name on File |
| Last Sale | $5,250,000 (Jan 2020) |
| Tax Bill | $105,599 (2025) |
| Deeds & Mortgages | May 2018 Line of Credit Jan 2020 Sale |
| Flood Zone | Zone AE (high risk) |
| APN | 24-5205-009-0050 |
| Primary APN | 24-5205-009-0050 |
|---|
| Lot Area | 15,200 sqft (0.349 acres) |
|---|---|
| Lot Dimensions | 152 ft deep x 100 ft wide |
| Patio Area | 1,251 sqft |
| Street Address | 571 N MASHTA DR |
|---|---|
| City | KEY BISCAYNE |
| State | FL |
| Zip | 33149-1718 |
| Property Category | Residential |
| Property Type | Vacant Land > Residential |
| Local Zoning Code | 2001 |
| Legal Description | MASHTA ISLAND A REPLAT OF TRS A B & C PB 65-65 LOT 12BLK 1 LOT SIZE100.000 X 152 OR 16842-0856 0695 1 |
| Legal Range | 42E |
| Legal Township | 55S |
| Legal Section | 05 |
| Legal Subdivision | MASHTA ISLAND |
| Legal Tract | A |
| Legal Block | 1 |
| Legal Lot Number | 12 |
| Jurisdiction | DADE FL |
| Township / Civil Division | KEY BISCAYNE |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 4602 |
571 N Mashta Dr, residential vacant land, is owned by an individual who bought it in January 2020.
Source: Miami-Dade County records, as of October 21, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 10101 COLLINS AVE, 7A, BAL HARBOUR, FL 33154-1641 |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| May 21, 2018 | Deed of Trust, Mortgage · Line of Credit LONDON FINANCIAL CO LLC |
| Jan 6, 2020 | Warranty Deed, Transfer ATTORNEY ONLY |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 6, 2020 · Amount on File |
| Deed Sale | Jan 6, 2020 · Amount on File |
| Prior Sale | Sep 12, 2013 · Amount on File |
| Deed Document Number | 20208390 |
| Deed Book / Page | 31757 / 2369 |
| Prior Transfer Date | May 7, 2018 |
| Prior Transfer Doc | 0000297368 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DADE FL |
| Property Address | 571 N MASHTA DR, KEY BISCAYNE, FL 33149-1718 |
| Transaction Type | Mortgage |
| Record Updated | Jul 29, 2022 |
| Title Company | ATTORNEY |
| Name | Verified Name |
|---|
| Document Number | 0000297367 |
|---|---|
| Date | May 21, 2018 |
| Book Page | 30982/2603 |
| Instrument | 2018R0297367 |
| Name | LONDON FINANCIAL CO LLC |
|---|---|
| Type | Mortgage Company |
| Address | KEY BISCAYNE, FL 33149 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 25 Months |
| Due | Jun 1, 2020 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DADE FL |
| Recording Date | Jan 6, 2020 |
| Property Address | 571 N MASHTA DR, KEY BISCAYNE, FL 33149-1718 |
| Document Number | 0000008390 |
| Book / Page | 031757 / 002369 |
| Instrument Date | Dec 20, 2019 |
| Instrument | 8390 |
| Transaction Type | Transfer |
| Record Updated | Feb 13, 2020 |
| Title Company | ATTORNEY ONLY |
| Amount | Amount on Record |
|---|---|
| Tax | $31,500.00 |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 155 OCEAN LANE DR #300 KEY BISCAYNE FL 331491479, 300, KEY BISCAYNE, FL 33149-1479 |
The 2025 property tax bill for 571 N Mashta Dr was $105,599.
Source: Miami-Dade County assessment roll, as of October 21, 2026
| Type | Name |
|---|---|
| State | Florida |
| County | Miami-Dade County |
| Municipality | Key Biscayne Village |
| Unified School District | Dade County School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $105,599.00 | $6,119,938 | $7,600,000 Land $7,600,000 |
| 2023 | $84,924.00 (+6.59%) | $5,745,600 (+3.56%) Land $5,745,600 | $5,745,600 (+3.56%) Land $5,745,600 |
| 2022 | $79,673.00 | $5,548,000 Land $5,548,000 | $5,548,000 Land $5,548,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 571 N 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 |
|
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 risk around 571 N 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 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.
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 |
| 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.
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 |
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