Miami-Dade County property record for 511 N Mashta Dr, Key Biscayne, FL 33149
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3.5 ba · 4,263 sqft · built 1985 |
| Lot Size | 0.734 acres (31,966 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $11,800,000 (Apr 2022) |
| Tax Bill | $162,156 (2025) |
| Deeds & Mortgages | May 2021 Mortgage Aug 2022 Mortgage + 2 more |
| Flood Zone | Zone AE (high risk) |
| APN | 24-5205-009-0080 |
| Primary APN | 24-5205-009-0080 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Stories | 1 Story |
| Building Area | 4,263 sqft Living Area |
| Gross Area | 6,759 sqft |
| 1st Floor Area | 4,263 sqft |
| Flooring | Covered |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Exterior Material | Composition |
| Construction Type | Concrete Block |
| Roof Type | Gable/Hip |
| Roof Material | Tile |
| Lot Area | 31,966 sqft (0.734 acres) |
| Pool Type | Pool with Hot Tub/Spa |
|---|---|
| Pool Area | 25 sqft |
| Patio Area | 1,700 sqft |
| Boat Access | Boat Access |
| Total Buildings | 2 Buildings |
| Street Address | 511 N MASHTA DR |
|---|---|
| City | KEY BISCAYNE |
| State | FL |
| Zip | 33149-1718 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 2001 |
| Legal Description | MASHTA ISLAND A REPLAT OF TRS A B & C PB 65-65 LOT 15 LESS NWLY 25FT & LOT 16 LESS SELY 25FT BLK 1 LOT SIZE 31,966 SQ FT COC 26381-3496 04 2008 5 |
| Legal Range | 42E |
| Legal Township | 55S |
| Legal Section | 05 |
| Legal Subdivision | MASHTA ISLAND |
| Legal Tract | A |
| Legal Block | 1 |
| Legal Lot Number | 15,16 |
| Jurisdiction | DADE FL |
| Township / Civil Division | KEY BISCAYNE |
| Census Block Group | 1 |
| Census Block | 1004 |
| 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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 511 N MASHTA DR, KEY BISCAYNE, FL 33149-1718 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| May 19, 2021 | Deed of Trust, Mortgage · Commercial Mortgage COMMERCIAL LENDING LLC |
| Aug 10, 2022 | Deed of Trust, Mortgage · Conventional Mortgage MORGAN STANLEY PRIVATE BANK NA |
| Apr 18, 2022 | Warranty Deed, Transfer ATTORNEY ONLY, ATTORNEY |
| Apr 15, 2021 | Warranty Deed, Transfer SUNBELT TITLE (AGENCY), SUNBELT TITLE AGENCY |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 18, 2022 · Amount on Record |
| Deed Sale | Apr 18, 2022 · Amount on Record |
| Prior Sale | Apr 15, 2021 · Amount on Record |
| Deed Document Number | 2022316881 |
| Deed Book / Page | 33136 / 4462 |
| Prior Transfer Date | Apr 9, 2008 |
| Prior Transfer Doc | 0000402691 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DADE FL |
| Property Address | 511 N MASHTA DR, KEY BISCAYNE, FL 33149-1718 |
| Transaction Type | Mortgage |
| Record Updated | Apr 2, 2024 |
| Name | Verified Name |
|---|---|
| Address | 11820 FOUNTAIN WAY 292, 292, NEWPORT NEWS, VA 23606-4478 |
| Document Number | 0000352022 |
|---|---|
| Date | May 19, 2021 |
| Book Page | 32515/398 |
| Instrument | 2021R0352022 |
| Name | COMMERCIAL LENDING LLC |
|---|---|
| Type | Non-Lending Institution |
| Address | CLIFTON, VA 20124 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DADE FL |
| Property Address | 511 N MASHTA DR, KEY BISCAYNE, FL 33149-1718 |
| Transaction Type | Mortgage |
| Record Updated | Apr 2, 2024 |
| Name | Verified Name |
|---|---|
| Address | 251 E SAN MARINO DR, MIAMI BEACH, FL 33139-1151 |
| Document Number | 0000633331 |
|---|---|
| Date | Aug 10, 2022 |
| Book Page | 33331/4473 |
| Instrument | 2022R0633331 |
| Name | MORGAN STANLEY PRIVATE BANK NA |
|---|---|
| Type | Bank |
| Address | CINCINNATI, OH 45245 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 1, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.05% |
| Type Change Date | Sep 1, 2032 |
| Change Frequency | 6 Months |
| Min Rate At Change | 3% |
| Max Rate At Change | 8.05% |
| Index | Other |
| Margin | 3 |
| Max Rate | 8.05% |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DADE FL |
| Recording Date | Apr 18, 2022 |
| Property Address | 511 N MASHTA DR, KEY BISCAYNE, FL 33149-1718 |
| Document Number | 0000316881 |
| Book / Page | 33136 / 4462 |
| Map Reference | MB 65 PG 65 |
| Instrument Date | Apr 8, 2022 |
| Instrument | 2022R0316881 |
| Transaction Type | Transfer |
| Record Updated | Apr 2, 2024 |
| Title Company | ATTORNEY ONLY, ATTORNEY |
| Amount | Amount Recorded |
|---|---|
| Tax | $70,800.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 11820 FOUNTAIN WAY STE 202, 202, NEWPORT NEWS, VA 23606-4478 |
| Name | Verified Name |
|---|---|
| Address | 511 N MASHTA DR, KEY BISCAYNE, FL 33149-1718 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DADE FL |
| Recording Date | Apr 15, 2021 |
| Property Address | 511 N MASHTA DR, KEY BISCAYNE, FL 33149-1718 |
| Document Number | 0000259172 |
| Book / Page | 32451 / 1547 |
| Map Reference | MB 65 PG 65 |
| Instrument Date | Mar 24, 2021 |
| Instrument | 2021R0259172 |
| Transaction Type | Transfer |
| Record Updated | Apr 2, 2024 |
| Title Company | SUNBELT TITLE (AGENCY), SUNBELT TITLE AGENCY |
| Amount | Amount Recorded |
|---|---|
| Tax | $53,100.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 11820 FOUNTAIN WAY STE 202, 202, NEWPORT NEWS, VA 23606-4478 |
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 | $162,156.00 (+2.24%) Homeowner's exemption | $10,321,786 (+2.4%) | $13,706,447 (+32.16%) Land $13,585,550 Building $120,897 |
| 2024 | $158,601.00 (-2.04%) | ||
| 2023 | $161,899.00 (+4.38%) Homeowner's exemption | $10,079,778 (-14.33%) | $10,371,048 (-11.86%) Land $10,270,676 Building $100,372 |
| 2022 | $155,109.00 | $11,766,302 Land $11,667,590 Building $98,712 | $11,766,302 Land $11,667,590 Building $98,712 |
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 201 policies |
| 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 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 96% of the US · lower than 96% of Florida |
|---|---|
| Wildfire Likelihood | 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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