Miami-Dade County property record for 274 W Mashta Dr, Key Biscayne, FL 33149
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 5.5 ba · 4,203 sqft · built 2012 |
| Lot Size | 0.172 acres (7,500 sqft) |
| Owner | Company Name on Record |
| Last Sale | $3,225,000 (Feb 2014) |
| Tax Bill | $51,664 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 24-5205-001-3040 |
| Primary APN | 24-5205-001-3040 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 5.5 Baths |
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 4,203 sqft Living Area |
| Gross Area | 5,129 sqft |
| Year Built | Built 2012 |
|---|---|
| Effective Year Built | Effective 2012 |
| Exterior Material | Concrete Block/Stucco |
| Construction Type | Concrete Block |
| Roof Type | Rigid Frame Bar Joist |
| Roof Material | Other |
| Lot Area | 7,500 sqft (0.172 acres) |
| Lot Dimensions | 100 ft deep x 75 ft wide |
| Garage Type | Carport |
| Carport | Carport |
| Pool Type | Pool with Hot Tub/Spa |
|---|---|
| Pool Area | 36 sqft |
| Porch | Porch |
| Porch Area | 210 sqft |
| Patio Area | 200 sqft |
| Street Address | 274 W MASHTA DR |
|---|---|
| City | KEY BISCAYNE |
| State | FL |
| Zip | 33149-2420 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 0100 |
| Legal Description | BISCAYNE KEY ESTS PB 50-61 LOT 5 BLK 18 LOT SIZE 75.000 X 100 OR 16508-1402-04 0894 1 COC 26515-1801 08 2008 5 |
| Legal Range | 42E |
| Legal Township | 55S |
| Legal Section | 05 |
| Legal Subdivision | BISCAYNE KEY ESTS |
| Legal Block | 18 |
| Legal Lot Number | 5 |
| Jurisdiction | DADE FL |
| Township / Civil Division | KEY BISCAYNE |
| Census Block Group | 3 |
| Census Block | 3025 |
| 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 | Company Name on Record |
|---|---|
| Mailing Address | 9155 S DADELAND BLVD, 1402, MIAMI, FL 33156-2739 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 25, 2014 · Amount on Record |
| Deed Sale | Feb 25, 2014 · Amount on Record |
| Prior Sale | Apr 2, 2007 · Amount on Record |
| Deed Document Number | 2014139646 |
| Deed Book / Page | 29043 / 344 |
| Prior Transfer Date | May 4, 2012 |
| Prior Transfer Doc | 0000388568 |
| Record Updated | Oct 29, 2026 |
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 | $51,664.00 (+13.48%) | $3,237,414 (+11.99%) Land $1,950,000 Building $1,287,414 | $3,237,414 (+11.99%) Land $1,950,000 Building $1,287,414 |
| 2023 | $45,525.00 (+12.57%) | $2,890,798 (+15.52%) Land $1,725,000 Building $1,165,798 | $2,890,798 (+15.52%) Land $1,725,000 Building $1,165,798 |
| 2022 | $40,440.00 | $2,502,501 Land $1,323,750 Building $1,178,751 | $2,502,501 Land $1,323,750 Building $1,178,751 |
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 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.
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 | Under 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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