Miami-Dade County property record for 18 Harbor Pt, Key Biscayne, FL 33149 · Last verified February 2026
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 7 ba · 5,497 sqft · built 1988 |
| Lot Size | 0.334 acres (14,550 sqft) |
| Owner | Owner Name on File |
| Tax Bill | $49,274 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 24-4232-002-0264 |
| Primary APN | 24-4232-002-0264 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 7 Baths |
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 5,497 sqft Living Area |
| Gross Area | 7,669 sqft |
| Flooring | Vinyl/Resilient |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 2001 |
| Exterior Material | Concrete Block |
| Construction Type | Concrete |
| Lot Area | 14,550 sqft (0.334 acres) |
| Patio Area | 1,080 sqft |
|---|---|
| Fence | Fence |
| Gazebo | 288 sqft |
| Boat Access | Boat Access |
| Street Address | 18 HARBOR PT |
|---|---|
| City | KEY BISCAYNE |
| State | FL |
| Zip | 33149-1716 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | .33 AC M/L 32-33 54 42 & 4-5-6 55 42 MATHESON ESTS PB 46-86 PORT TR 13 DESC - BEG 310FTS OF N/L TR 13 & X OF C/L OF 25FT EASM |
| Legal Range | 42 |
| Legal Township | 54 |
| Legal Section | 32 |
| Legal Subdivision | MATHESON EST |
| Legal Tract | 13 |
| Legal Block | 13 |
| Jurisdiction | DADE FL |
| Township / Civil Division | KEY BISCAYNE |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 4602 |
Source: Miami-Dade County records · APN 24-4232-002-0264
Assessment roll updated July 1, 2025 · Last verified February 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Owner Name on File |
|---|---|
| Mailing Address | 18 HARBOR PT, KEY BISCAYNE, FL 33149-1716 |
| Occupancy | Owner Occupied |
| Deed Names | Verified Name on Deed |
|---|---|
| Prior Sale | Mar 30, 2000 · Amount on Record |
| Last Transfer Date | Aug 28, 2012 |
| Transfer Doc | 0000607119 |
| Record Updated | Jun 08, 2026 |
Source: Miami-Dade County records · Assessment roll updated July 1, 2025 · Last verified February 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 | $49,274.00 (+3.73%) Homeowner's exemption | $3,079,031 (+5.99%) | $8,195,934 (+27.16%) Land $7,275,000 Building $920,934 |
| 2023 | $47,501.00 (+4.86%) Homeowner's exemption | $2,905,103 (+3%) | $6,445,410 (+42.99%) Land $5,499,900 Building $945,510 |
| 2022 | $45,300.00 Homeowner's exemption | $2,820,489 | $4,507,499 Land $3,564,750 Building $942,749 |
Source: FEMA National Flood Hazard Layer, Miami-Dade County (12086C), updated January 25, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 120860046021, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone AE |
|---|---|
| Special Flood Hazard Area | Yes |
| Flood Hazard | High |
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 10.0 ft |
| Flood Insurance Requirement | Required (federally backed mortgages) |
| Flood Insurance Cost | Premium on Record median of 201 individual NFIP policies nearby |
| 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 Storm |
|
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| 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, availability as of December 31, 2025 · Published October 2026 · based on 84 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
Availability varies by address; speeds are provider-advertised maximums, not measured.
5G (outdoors only) and 4G LTE
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