Miami-Dade County property record for 128 W Mashta Dr, Key Biscayne, FL 33149
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,627 sqft · built 1951 |
| Lot Size | 0.172 acres (7,500 sqft) |
| Owner | Company Name on File |
| Last Sale | $2,200,000 (Jan 2021) |
| Tax Bill | $39,689 (2025) |
| Deeds & Mortgages | Jan 2021 Sale |
| Flood Zone | Zone AE (high risk) |
| APN | 24-5205-001-3180 |
| Primary APN | 24-5205-001-3180 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 2,627 sqft Living Area |
| Gross Area | 2,667 sqft |
| 1st Floor Area | 2,627 sqft |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 2000 |
| Exterior Material | Concrete Block/Hollow Tile/Frame |
| Construction Type | Concrete Block |
| Lot Area | 7,500 sqft (0.172 acres) |
| Lot Dimensions | 100 ft deep x 75 ft wide |
| Porch | Porch |
| Porch Area | 20 sqft |
| Patio Area | 150 sqft |
| Street Address | 128 W MASHTA DR |
|---|---|
| City | KEY BISCAYNE |
| State | FL |
| Zip | 33149-2418 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 0100 |
| Legal Description | 5 & 6 55 42 BISCAYNE KEY ESTS PB 50-61 LOT 19BLK 18 LOT SIZE 75.000 X 100 OR 18745-3505 0899 1 |
| Legal Range | 42E |
| Legal Township | 55S |
| Legal Section | 05 |
| Legal Subdivision | BISCAYNE KEY ESTS |
| Legal Block | 18 |
| Legal Lot Number | 19 |
| Jurisdiction | DADE FL |
| Township / Civil Division | KEY BISCAYNE |
| Census Block Group | 3 |
| Census Block | 3025 |
| Census Tract | 4602 |
128 W Mashta Dr is owned by a company that bought it in January 2021.
Source: Miami-Dade County records, as of October 21, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 231 ISLAND DR, KEY BISCAYNE, FL 33149-2411 |
| Owner Type | Company |
| Vesting | Limited Liability Company |
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 | Jan 25, 2021 · Amount on File |
| Deed Sale | Jan 25, 2021 · Amount on File |
| Prior Sale | Feb 21, 2014 · Amount on File |
| Deed Document Number | 202155564 |
| Deed Book / Page | 32308 / 2683 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DADE FL |
| Recording Date | Jan 25, 2021 |
| Property Address | 128 W MASHTA DR, KEY BISCAYNE, FL 33149-2418 |
| Document Number | 0000055564 |
| Book / Page | 032308 / 002683 |
| Instrument Date | Jan 19, 2021 |
| Instrument | 55564 |
| Transaction Type | Transfer |
| Record Updated | Feb 22, 2021 |
| Title Company | ATTORNEY ONLY |
| Amount | Amount on Record |
|---|---|
| Tax | $13,200.00 |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 231 ISLAND DR KEY BISCAYNE FL 331492411, KEY BISCAYNE, FL 33149-2411 |
The 2025 property tax bill for 128 W Mashta Dr was $39,689, up 8.7% from the year before.
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 | $39,689.00 (+8.73%) | $2,465,565 Land $1,950,000 Building $515,565 | $2,465,565 Land $1,950,000 Building $515,565 |
| 2024 | $36,501.00 (+2.19%) | ||
| 2023 | $35,720.00 (+14.8%) | $2,281,114 (+20.89%) Land $1,725,000 Building $556,114 | $2,281,114 (+20.89%) Land $1,725,000 Building $556,114 |
| 2022 | $31,114.00 | $1,886,938 Land $1,323,750 Building $563,188 | $1,886,938 Land $1,323,750 Building $563,188 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 128 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 | 9.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 489 individual policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 548 units insured incl. 59 condo units |
| Nearby Flood Claims | 790 (1979–2021) |
| Most Recent Claim | Oct 2021 · 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 128 W 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 209 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 · Fiber in parts of the area | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Blue Stream.
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