Miami-Dade County property record for 650 N Mashta Dr, Key Biscayne, FL 33149
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 5.5 ba · 4,405 sqft · built 2003 |
| Lot Size | 0.23 acres (10,000 sqft) |
| Owner | Individual Name on File |
| Last Sale | $3,800,000 (Sep 2014) |
| Tax Bill | $51,434 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 24-5205-008-0140 |
| Primary APN | 24-5205-008-0140 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 5.5 Baths |
| Half Baths | 1 Half Bath |
| Stories | 1 Story |
| Building Area | 4,405 sqft Living Area |
| Gross Area | 6,795 sqft |
| 1st Floor Area | 4,405 sqft |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2003 |
| Exterior Material | Concrete Block/Hollow Tile/Frame |
| Construction Type | Concrete Block |
| Lot Area | 10,000 sqft (0.23 acres) |
| Lot Dimensions | 100 ft deep x 100 ft wide |
| Patio Area | 200 sqft |
| Street Address | 650 N MASHTA DR |
|---|---|
| City | KEY BISCAYNE |
| State | FL |
| Zip | 33149-1744 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 2001 |
| Legal Description | 5-6 55 42 MASHTA ISLAND PB 60-93 LOT 7 BLK 2 LOT SIZE100.000 X 100 OR 19331-3532 10/2000 1 COC 22407-1616/22614-0340 0604 1 |
| Legal Range | 42E |
| Legal Township | 55S |
| Legal Section | 05 |
| Legal Subdivision | MASHTA ISLAND |
| Legal Block | 2 |
| Legal Lot Number | 7 |
| Jurisdiction | DADE FL |
| Township / Civil Division | KEY BISCAYNE |
| Census Block Group | 1 |
| Census Block | 1023 |
| Census Tract | 4602 |
650 N Mashta Dr is owned and occupied by an individual who bought it in September 2014.
Source: Miami-Dade County records, as of October 21, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 650 N MASHTA DR, KEY BISCAYNE, FL 33149-1744 |
| 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.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 19, 2014 · Amount on File |
| Deed Sale | Sep 19, 2014 · Amount on File |
| Prior Sale | Jun 18, 2004 · Amount on File |
| Deed Document Number | 2014653313 |
| Deed Book / Page | 29316 / 871 |
| Prior Transfer Date | Jun 16, 2004 |
| Prior Transfer Doc | 0000755343 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 650 N Mashta Dr was $51,434 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 | $51,434.00 Homeowner's exemption | $3,245,197 | $4,498,253 Land $3,100,000 Building $1,398,253 |
| 2023 | $49,625.00 (+3.9%) Homeowner's exemption | $3,061,883 (+3%) | $4,118,055 (+25.89%) Land $2,850,000 Building $1,268,055 |
| 2022 | $47,760.00 Homeowner's exemption | $2,972,702 | $3,271,226 Land $2,050,000 Building $1,221,226 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 650 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.
The area around 650 N Mashta Dr has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 |
5G (outdoors only) and 4G LTE
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