Miami-Dade County property record for 540 W Mashta Dr, Key Biscayne, FL 33149
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 4 ba · 2,375 sqft · built 1982 |
| Lot Size | 0.436 acres (18,997 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $24,844 (2025) |
| Deeds & Mortgages | Dec 2025 Mortgage Jan 2021 Transfer + 1 more |
| Flood Zone | Zone AE (high risk) |
| APN | 24-5205-017-0100 |
| Primary APN | 24-5205-017-0100 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 4 Baths |
| Half Baths | 2 Half Baths |
| Stories | 3 Stories |
| Building Area | 2,375 sqft Living Area |
| Gross Area | 2,741 sqft |
| Year Built | Built 1982 |
|---|---|
| Effective Year Built | Effective 1982 |
| Exterior Material | Concrete Block |
| Construction Type | Concrete Block |
| Lot Area | 18,997 sqft (0.436 acres) |
| Patio Area | 256 sqft |
| Boat Access | Boat Access |
| Street Address | 540 W MASHTA DR |
|---|---|
| City | KEY BISCAYNE |
| State | FL |
| Zip | 33149-1738 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 2001 |
| Legal Description | 5 55 42 SMUGGLERS COVEPB 78-83 LOT 10 LOT SIZE 18,997 SQ FT OR 9437 581 |
| Legal Range | 42E |
| Legal Township | 55S |
| Legal Section | 05 |
| Legal Subdivision | SMUGGLERS COVE |
| 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 |
540 W Mashta Dr is owned and occupied by two individuals who acquired it in December 2020.
Source: Miami-Dade County records, as of October 21, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 540 W MASHTA DR, KEY BISCAYNE, FL 33149-1738 |
| Occupancy | Owner Occupied |
| 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 |
|---|---|
| Dec 4, 2025 | Deed of Trust, Mortgage · Conventional Mortgage AAA CAPITAL INVESTMENT INC |
| Jan 6, 2021 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Jun 26, 2017 | Deed of Trust, Mortgage SABADELL UNITED BK NA |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Dec 26, 2020 |
| Transfer Doc | 0000008598 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DADE FL |
| Property Address | 540 W MASHTA DR, KEY BISCAYNE, FL 33149-1738 |
| Transaction Type | Mortgage |
| Record Updated | Dec 26, 2025 |
| Name | Verified Name |
|---|---|
| Address | 540 W MASHTA DR, KEY BISCAYNE, FL 33149-1738 |
| Document Number | 0000898246 |
|---|---|
| Date | Dec 4, 2025 |
| Book Page | 35057/1526 |
| Instrument | 2025R0898246 |
| Name | AAA CAPITAL INVESTMENT INC |
|---|---|
| Type | Non-Lending Institution |
| Address | ARCADIA, CA 91006 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Dec 1, 2055 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | DADE FL |
| Recording Date | Jan 6, 2021 |
| Property Address | 540 W MASHTA DR, KEY BISCAYNE, FL 33149-1738 |
| Document Number | 0000008598 |
| Book / Page | 032273 / 004901 |
| Instrument Date | Dec 26, 2020 |
| Instrument | 8598 |
| Transaction Type | Transfer |
| Record Updated | Jan 27, 2021 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 540 W MASHTA DR KEY BISCAYNE FL 331491738, KEY BISCAYNE, FL 33149-1738 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DADE FL |
| Property Address | 540 W MASHTA DR, KEY BISCAYNE, FL 33149-1738 |
| Document Number | 0000381347 |
| Book / Page | 030600 / 000189 |
| Instrument Date | Jun 26, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Jul 18, 2017 |
| Name | Verified Name |
|---|---|
| Address | 540 W MASHTA DR KEY BISCAYNE FL 331491738, KEY BISCAYNE, FL 33149-1738 |
| Document Number | 0000381347 |
|---|---|
| Date | Jul 5, 2017 |
| Book Page | 030600/000189 |
| Instrument | 381347 |
| Name | SABADELL UNITED BK NA |
|---|---|
| Type | Bank |
| Address | MIAMI, FL 33131 |
| Amount | Amount on Record |
|---|---|
| Term | 360 Months |
| Due | Jul 4, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.75% |
The 2025 property tax bill for 540 W Mashta Dr was $24,844 with exemptions applied.
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 | $24,844.00 Homeowner's exemption Widower's exemption | $1,530,841 | $9,316,826 Land $9,023,575 Building $293,251 |
| 2023 | $23,927.00 (+5.15%) Homeowner's exemption Additional exemption filed | $1,444,367 (+3%) | $7,079,941 (+5.42%) Land $6,781,929 Building $298,012 |
| 2022 | $22,755.00 Homeowner's exemption Additional exemption filed | $1,402,299 | $6,715,891 Land $6,174,025 Building $541,866 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 540 W 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 540 W 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.
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 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures