Miami-Dade County property record for 601 N Mashta Dr, Key Biscayne, FL 33149
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 5 ba · 4,615 sqft · built 1960 |
| Lot Size | 0.348 acres (15,158 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $6,400,000 (Aug 2020) |
| Tax Bill | $86,679 (2025) |
| Deeds & Mortgages | Nov 2019 Mortgage Aug 2020 Sale & Mortgage |
| Flood Zone | Zone AE (high risk) |
| APN | 24-5205-009-0030 |
| Primary APN | 24-5205-009-0030 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 5 Baths |
| Stories | 1 Story |
| Building Area | 4,615 sqft Living Area |
| Gross Area | 5,646 sqft |
| 1st Floor Area | 4,615 sqft |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 2000 |
| Exterior Material | Concrete Block/Hollow Tile/Frame |
| Construction Type | Concrete Block |
| Lot Area | 15,158 sqft (0.348 acres) |
| Lot Dimensions | 143 ft deep x 106 ft wide |
| Pool Area | 40 sqft |
| Patio Area | 493 sqft |
| Boat Access | Boat Access |
| Heating System | HVAC |
|---|
| Street Address | 601 N MASHTA DR |
|---|---|
| City | KEY BISCAYNE |
| State | FL |
| Zip | 33149-1720 |
| 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 10BLK 1 LOT SIZE106.000 X 143 COC 26442-4903 06 2008 1 |
| Legal Range | 42E |
| Legal Township | 55S |
| Legal Section | 05 |
| Legal Subdivision | MASHTA ISLAND |
| Legal Tract | A |
| Legal Block | 1 |
| Legal Lot Number | 10 |
| Jurisdiction | DADE FL |
| Township / Civil Division | KEY BISCAYNE |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 4602 |
601 N Mashta Dr is owned and occupied by two individuals who bought it in August 2020.
Source: Miami-Dade County records, as of October 21, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 601 N MASHTA DR, KEY BISCAYNE, FL 33149-1720 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Nov 20, 2019 | Deed of Trust, Mortgage · Conventional Mortgage FIRST AMERICAN BANK |
| Aug 12, 2020 | Warranty Deed, Transfer · Conventional Mortgage JPMORGAN CHASE BANK NA |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 12, 2020 · Amount on File |
| Deed Sale | Aug 12, 2020 · Amount on File |
| Prior Sale | Jun 20, 2008 · Amount on File |
| Deed Document Number | 2020441927 |
| Deed Book / Page | 32046 / 2575 |
| Prior Transfer Date | Jan 12, 2006 |
| Prior Transfer Doc | 0000038321 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DADE FL |
| Property Address | 601 N MASHTA DR, KEY BISCAYNE, FL 33149-1720 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000728007 |
|---|---|
| Date | Nov 20, 2019 |
| Book Page | 31698/0283 |
| Instrument | 2019R0728007 |
| Name | FIRST AMERICAN BANK |
|---|---|
| Type | Bank |
| Address | MIAMI, FL 33135 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Dec 1, 2049 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4% |
| Type Change Date | Dec 1, 2024 |
| Change Frequency | Annually |
| Min Rate At Change | 4% |
| Max Rate At Change | 9% |
| Index | 1-Year LIBOR |
| Max Rate | 9% |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DADE FL |
| Recording Date | Aug 12, 2020 |
| Property Address | 601 N MASHTA DR, KEY BISCAYNE, FL 33149-1720 |
| Document Number | 0000441927 |
| Book / Page | 32046 / 2575 |
| Map Reference | MB 65 PG 65 |
| Instrument Date | Jul 31, 2020 |
| Instrument | 2020R0441927 |
| Transaction Type | Transfer |
| Record Updated | Feb 1, 2022 |
| Title Company | ATTORNEY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $38,400.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 667 WARREN LN, 667, KEY BISCAYNE, FL 33149-2020 |
| Name | Verified Name |
|---|---|
| Address | 601 N MASHTA DR, KEY BISCAYNE, FL 33149-1720 |
| Document Number | 0000002577 |
|---|---|
| Date | Aug 12, 2020 |
| Instrument | 32046/2577 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Sep 1, 2050 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.37% |
| Type Change Date | Sep 1, 2027 |
| Change Frequency | Annually |
| Min Rate At Change | 2.25% |
| Max Rate At Change | 4.37% |
| Index | 1-Year LIBOR |
| Max Rate | 7.37% |
The 2025 property tax bill for 601 N Mashta Dr was $86,679 with a homeowner's exemption.
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 | $86,679.00 Homeowner's exemption | $5,503,146 | $8,506,822 Land $7,579,000 Building $927,822 |
| 2023 | $83,645.00 (+3.74%) Homeowner's exemption | $5,192,285 (+3%) | $6,681,427 (+2.85%) Land $5,729,724 Building $951,703 |
| 2022 | $80,631.00 Homeowner's exemption | $5,041,054 | $6,496,314 Land $5,532,670 Building $963,644 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 601 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 601 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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