Miami-Dade County property record for 318 Gulf Rd, Key Biscayne, FL 33149
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 5 ba · 5,465 sqft · built 2010 |
| Lot Size | 0.283 acres (12,312 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $3,400,000 (Jun 2010) |
| Tax Bill | $53,532 (2025) |
| Deeds & Mortgages | Dec 2021 Mortgage |
| Flood Zone | Zone AE (high risk) |
| APN | 24-4232-003-0100 |
| Primary APN | 24-4232-003-0100 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 5 Baths |
| Stories | 2 Stories |
| Building Area | 5,465 sqft Living Area |
| Gross Area | 6,529 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 2010 |
|---|---|
| Effective Year Built | Effective 2010 |
| Exterior Material | Concrete Block/Stucco |
| Construction Type | Concrete Block |
| Foundation Type | Footing |
| Roof Type | Gable/Hip |
| Roof Material | Concrete |
| Lot Area | 12,312 sqft (0.283 acres) |
| Lot Dimensions | 121 ft deep x 101 ft wide |
| Garage Area | 353 sqft |
| Pool Type | Pool with Hot Tub/Spa |
|---|---|
| Pool Area | 24 sqft |
| Porch | Porch |
| Porch Area | 267 sqft |
| Patio Area | 500 sqft |
| Gazebo | 140 sqft |
| Street Address | 318 GULF RD |
|---|---|
| City | KEY BISCAYNE |
| State | FL |
| Zip | 33149-1606 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 0100 |
| Legal Description | 32 54 42 HOLIDAY COLONYPB 50-87 LOT 3 BLK 2 LOT SIZE 101.57 X 121.22 OR 12940-1211 0586 1 |
| Legal Range | 42E |
| Legal Township | 54S |
| Legal Section | 32 |
| Legal Subdivision | HOLIDAY COLONY |
| Legal Block | 2 |
| Legal Lot Number | 3 |
| Jurisdiction | DADE FL |
| Township / Civil Division | KEY BISCAYNE |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 4607 |
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 Individual Names on Record |
|---|---|
| Mailing Address | 318 GULF RD, KEY BISCAYNE, FL 33149-1606 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 16, 2010 · Amount on Record |
| Deed Sale | Jun 16, 2010 · Amount on Record |
| Prior Sale | May 8, 2009 · Amount on Record |
| Deed Document Number | 2010407715 |
| Deed Book / Page | 27322 / 1255 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DADE FL |
| Property Address | 318 GULF RD, KEY BISCAYNE, FL 33149-1606 |
| Transaction Type | Mortgage |
| Record Updated | Jul 29, 2022 |
| Name | Verified Name |
|---|---|
| Address | 318 GULF RD, KEY BISCAYNE, FL 33149-1606 |
| Document Number | 0000936900 |
|---|---|
| Date | Dec 14, 2021 |
| Book Page | 32904/4524 |
| Instrument | 2021R0936900 |
| Name | FIRST HORIZON BANK |
|---|---|
| Type | Bank |
| Address | MEMPHIS, TN 38103 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 1, 2052 |
| Rate Type | Adjustable Rate |
|---|
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 | $53,532.00 (+3.66%) Homeowner's exemption | $3,374,779 (+5.99%) | $5,123,733 (+21.22%) Land $3,447,360 Building $1,676,373 |
| 2023 | $51,641.00 (+4.05%) Homeowner's exemption | $3,184,145 (+3%) | $4,226,681 (+17.94%) Land $2,831,760 Building $1,394,921 |
| 2022 | $49,632.00 Homeowner's exemption | $3,091,403 | $3,583,839 Land $2,173,068 Building $1,410,771 |
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 | 9.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 141 individual policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 1,524 units insured incl. 1,383 condo units |
| Nearby Flood Claims | 220 (1979–2022) |
| Claims Outside the SFHA | 1 of 220 |
| Most Recent Claim | Jun 2022 · 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 | 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 140 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Hotwire Communications.
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