Miami-Dade County property record for 321 Island Dr, Key Biscayne, FL 33149
| Property Type | Residential Vacant Land |
|---|---|
| Details | 4 bd · 4 ba · 3,032 sqft · built 1972 |
| Lot Size | 0.276 acres (12,000 sqft) |
| Owner | Company Name on File |
| Last Sale | $2,000,000 (Dec 2019) |
| Tax Bill | $44,864 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 24-5205-010-0240 |
| Primary APN | 24-5205-010-0240 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4 Baths |
| Stories | 1 Story |
| Building Area | 3,032 sqft Living Area |
| Gross Area | 4,229 sqft |
| 1st Floor Area | 3,032 sqft |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1972 |
| Exterior Material | Combination |
| Construction Type | Concrete Block |
| Lot Area | 12,000 sqft (0.276 acres) |
| Lot Dimensions | 120 ft deep x 100 ft wide |
| Garage Area | 242 sqft |
| Porch | Porch |
| Porch Area | 258 sqft |
| Patio Area | 1,168 sqft |
| Street Address | 321 ISLAND DR |
|---|---|
| City | KEY BISCAYNE |
| State | FL |
| Zip | 33149-2413 |
| Property Category | Residential |
| Property Type | Vacant Land > Residential |
| Local Zoning Code | 2000 |
| Legal Description | 5 55 42 CAPE FLORIDA SUB SEC 1 PB 68-81 W60FT OF LOT 23 & E40FT OF LOT 24 BLK 1 LOT SIZE 100.000 X 120 OR 19573-1184 03/2001 4 |
| Legal Range | 42E |
| Legal Township | 55S |
| Legal Section | 05 |
| Legal Subdivision | CAPE FLORIDA SUB |
| Legal Block | 1 |
| Legal Lot Number | 23,24 |
| Jurisdiction | DADE FL |
| Township / Civil Division | KEY BISCAYNE |
| Census Block Group | 3 |
| Census Block | 3025 |
| Census Tract | 4602 |
Source: Miami-Dade County records · APN 24-5205-010-0240
Assessment roll updated July 21, 2025 · Last verified April 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 File |
|---|---|
| Mailing Address | 1650 CORAL WAY, 705, MIAMI, FL 33145-2881 |
| Owner Type | Company |
| Vesting | Limited Liability Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Dec 31, 2019 · Amount on Record |
| Deed Sale | Dec 31, 2019 · Amount on Record |
| Deed Document Number | 2019809264 |
| Deed Book / Page | 31748 / 4936 |
| Prior Transfer Date | Dec 11, 2019 |
| Prior Transfer Doc | 0000809262 |
| Record Updated | Jun 08, 2026 |
Source: Miami-Dade County records · Assessment roll updated July 21, 2025 · Last verified April 2026
| Type | Name |
|---|---|
| State | Florida |
| County | Miami-Dade County |
| Municipality | Key Biscayne Village |
| Unified School District | Dade County School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $44,864.00 (+10.5%) | $2,509,892 (-21.21%) | $3,120,000 (-2.06%) Land $3,120,000 |
| 2024 | $40,600.00 (-3.94%) | ||
| 2023 | $42,267.00 (+10.61%) | $3,185,626 (+25.07%) Land $2,760,000 Building $425,626 | $3,185,626 (+25.07%) Land $2,760,000 Building $425,626 |
| 2022 | $38,213.00 | $2,547,165 Land $2,118,000 Building $429,165 | $2,547,165 Land $2,118,000 Building $429,165 |
Source: FEMA National Flood Hazard Layer as of January 25, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 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 |
|
| 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 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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| 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 USA Fixed Wireless | 100 / 20 |
Based on FCC filings for 247 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | MDWASA - MAIN SYSTEM serves 2,377,460 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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