Miami-Dade County property record for 440 S Mashta Dr, Key Biscayne, FL 33149
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 5 ba · 8,202 sqft · built 2013 |
| Lot Size | 0.39 acres (16,980 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $8,350,000 (Jun 2012) |
| Tax Bill | $170,969 (2025) |
| Deeds & Mortgages | Feb 2022 Mortgage May 2020 Mortgage |
| Flood Zone | Zone AE (high risk) |
| APN | 24-5205-017-0170 |
| Primary APN | 24-5205-017-0170 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 5 Baths |
| Stories | 4 Stories |
| Building Area | 8,202 sqft Living Area |
| Gross Area | 11,811 sqft |
| Year Built | Built 2013 |
|---|---|
| Effective Year Built | Effective 2013 |
| Exterior Material | Concrete Block/Stucco |
| Roof Type | Rigid Frame Bar Joist |
| Roof Material | Other |
| Lot Area | 16,980 sqft (0.39 acres) |
| Patio Area | 1,005 sqft |
| Boat Access | Boat Access |
| Street Address | 440 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 COVEPB 78-83 LOT 17 LOT SIZE16,980 SQ FT OR 20857-2842 11/2002 1 |
| Legal Range | 42E |
| Legal Township | 55S |
| Legal Section | 05 |
| Legal Subdivision | SMUGGLERS COVE |
| Legal Block | 1 |
| Legal Lot Number | 17 |
| Jurisdiction | DADE FL |
| Township / Civil Division | KEY BISCAYNE |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 4602 |
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 | 2 Company Names on Record |
|---|---|
| Mailing Address | 440 S MASHTA DR, KEY BISCAYNE, FL 33149-1731 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Feb 2, 2022 | Deed of Trust, Mortgage · Conventional Mortgage CITY NATIONAL BANK OF FLORIDA |
| May 15, 2020 | Deed of Trust, Mortgage IBERIABANK |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 27, 2012 · Amount on Record |
| Deed Sale | Jun 27, 2012 · Amount on Record |
| Prior Sale | Aug 9, 2010 · Amount on Record |
| Deed Document Number | 2012452967 |
| Deed Book / Page | 28165 / 4352 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DADE FL |
| Property Address | 440 S MASHTA DR, KEY BISCAYNE, FL 33149-1731 |
| Transaction Type | Mortgage |
| Record Updated | Apr 2, 2024 |
| Name | Verified Name |
|---|---|
| Address | 440 S MASHTA DR, KEY BISCAYNE, FL 33149-1731 |
| Document Number | 0000099750 |
|---|---|
| Date | Feb 2, 2022 |
| Book Page | 32998/1965 |
| Instrument | 2022R0099750 |
| Name | CITY NATIONAL BANK OF FLORIDA |
|---|---|
| Type | Bank |
| Address | MIAMI, FL 33131 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Feb 1, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.81% |
| Type Change Date | Feb 1, 2032 |
| Change Frequency | 6 Months |
| Min Rate At Change | 2.81% |
| Max Rate At Change | 7.81% |
| Index | Other |
| Max Rate | 7.81% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DADE FL |
| Property Address | 440 S MASHTA DR, KEY BISCAYNE, FL 33149-1731 |
| Document Number | 0000291768 |
| Instrument Date | May 15, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Jun 4, 2020 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|---|
| Address | 440 S MASHTA DR KEY BISCAYNE FL 331491731, KEY BISCAYNE, FL 33149-1731 |
| Document Number | 0000291768 |
|---|---|
| Date | May 20, 2020 |
| Book Page | 031942/002020 |
| Instrument | 291768 |
| Name | IBERIABANK |
|---|---|
| Type | Bank |
| Address | PO BOX 12440, NEW IBERIA, LA 70562-2440 |
| Amount | Amount Recorded |
|---|---|
| Term | 360 Months |
| Due | May 19, 2050 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3% |
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 | $170,969.00 (+4.91%) Homeowner's exemption | $10,951,889 (+7.33%) | $13,329,335 (+16.89%) Land $10,527,600 Building $2,801,735 |
| 2023 | $162,971.00 (+3.21%) Homeowner's exemption | $10,203,676 (+3%) | $11,402,851 (+6.56%) Land $8,795,640 Building $2,607,211 |
| 2022 | $157,904.00 Homeowner's exemption | $9,906,482 | $10,701,358 Land $8,065,500 Building $2,635,858 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 |
|
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.
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 |
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