Miami-Dade County property record for 551 S Mashta Dr, Key Biscayne, FL 33149
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,886 sqft · built 1961 |
| Lot Size | 0.23 acres (10,000 sqft) |
| Owner | Company Name on File |
| Last Sale | $4,700,000 (Jul 2025) |
| Tax Bill | $54,870 (2025) |
| Deeds & Mortgages | Nov 2022 Mortgage Aug 2019 Loan Modification + 4 more |
| Flood Zone | Zone AE (high risk) |
| APN | 24-5205-009-0350 |
| Primary APN | 24-5205-009-0350 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,886 sqft Living Area |
| Gross Area | 4,349 sqft |
| 1st Floor Area | 2,134 sqft |
| Flooring | Covered |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 2004 |
| Exterior Material | Composition |
| Construction Type | Concrete Block |
| Roof Type | Gable/Hip |
| Roof Material | Tile |
| Lot Area | 10,000 sqft (0.23 acres) |
| Lot Dimensions | 100 ft deep x 100 ft wide |
| Patio Area | 600 sqft |
| Total Buildings | 2 Buildings |
| Street Address | 551 S MASHTA DR |
|---|---|
| City | KEY BISCAYNE |
| State | FL |
| Zip | 33149-1732 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 2001 |
| Legal Description | 5-6 55 42 MASHTA ISLAND A REPLAT OF TRS A B & C PB 65-65 LOT 15BLK 4 LOT SIZE100.000 X 100 OR 15512-3336 15586-1618 0492 4 |
| Legal Range | 42E |
| Legal Township | 55S |
| Legal Section | 05 |
| Legal Subdivision | MASHTA ISLAND |
| Legal Tract | A |
| Legal Block | 4 |
| Legal Lot Number | 15 |
| Jurisdiction | DADE FL |
| Township / Civil Division | KEY BISCAYNE |
| Census Block Group | 1 |
| Census Block | 1022 |
| Census Tract | 4602 |
551 S Mashta Dr is owned by a company that bought it in July 2025.
Source: Miami-Dade County records, as of October 21, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 551 S MASHTA DR, KEY BISCAYNE, FL 33149-1732 |
| Owner Type | Company |
| Vesting | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Nov 9, 2022 | Deed of Trust, Mortgage · Conventional Mortgage BANCO DO BRASIL AMERICAS |
| Aug 1, 2019 | Loan Modification, Mortgage · Conventional Mortgage FORTUNE INT'L REALTY INC |
| Aug 13, 2019 | Warranty Deed, Transfer ATTORNEY ONLY |
| Jul 31, 2019 | Loan Modification, Mortgage JOHN E WHITE |
| Jan 10, 2017 | Deed of Trust, Mortgage · Conventional Mortgage JOHN E WHITE |
| Jan 12, 2017 | Warranty Deed, Transfer JOHN E WHITE |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 17, 2025 · Amount on File |
| Deed Sale | Jul 17, 2025 · Amount on File |
| Prior Sale | Aug 13, 2019 · Amount on File |
| Deed Document Number | 2025545409 |
| Deed Book / Page | 34852 / 2282 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DADE FL |
| Property Address | 551 S MASHTA DR, KEY BISCAYNE, FL 33149-1732 |
| Transaction Type | Mortgage |
| Record Updated | Apr 2, 2024 |
| Name | Verified Name |
|---|---|
| Address | CMDX FL 1900 1900, 1900, MEXICO XX |
| Document Number | 0000857454 |
|---|---|
| Date | Nov 9, 2022 |
| Book Page | 33461/212 |
| Instrument | 2022R0857454 |
| Name | BANCO DO BRASIL AMERICAS |
|---|---|
| Type | Bank |
| Address | MIAMI, FL 33131 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Dec 1, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 5.5% |
| Type Change Date | Dec 1, 2027 |
| Min Rate At Change | 7.5% |
| Max Rate At Change | 11.5% |
| Index | 1-Year T-Bill |
| Max Rate | 11.5% |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | DADE FL |
| Property Address | 551 S MASHTA DR, KEY BISCAYNE, FL 33149-1732 |
| Document Number | 0000508824 |
| Instrument Date | Aug 1, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Sep 10, 2019 |
| Title Company | ATTORNEY ONLY |
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 551 S MASHTA DR KEY BISCAYNE FL 331491732, KEY BISCAYNE, FL 33149-1732 |
| Document Number | 0000508824 |
|---|---|
| Date | Aug 13, 2019 |
| Book Page | 031566/003988 |
| Instrument | 508824 |
| Name | FORTUNE INT'L REALTY INC |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 12 Months |
| Due | Aug 12, 2020 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DADE FL |
| Recording Date | Aug 13, 2019 |
| Property Address | 551 S MASHTA DR, KEY BISCAYNE, FL 33149-1732 |
| Document Number | 0000508822 |
| Book / Page | 031566 / 003975 |
| Instrument Date | Aug 1, 2019 |
| Instrument | 508822 |
| Transaction Type | Transfer |
| Record Updated | Sep 11, 2019 |
| Title Company | ATTORNEY ONLY |
| Amount | Amount on Record |
|---|---|
| Tax | $17,400.00 |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 551 S MASHTA DR KEY BISCAYNE FL 331491732, KEY BISCAYNE, FL 33149-1732 |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | DADE FL |
| Property Address | 551 S MASHTA DR, KEY BISCAYNE, FL 33149-1732 |
| Document Number | 0000508823 |
| Instrument Date | Jul 31, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Sep 9, 2019 |
| Title Company | ATTORNEY ONLY |
| Name | Verified Name |
|---|---|
| Relationship | Married Couple |
| Address | 551 S MASHTA DR KEY BISCAYNE FL 331491732, KEY BISCAYNE, FL 33149-1732 |
| Document Number | 0000508823 |
|---|---|
| Date | Aug 13, 2019 |
| Book Page | 031566/003977 |
| Instrument | 508823 |
| Name | JOHN E WHITE |
|---|---|
| Address | 2000 BISCAYNE BLVD # 221, MIAMI, FL 33137-5012 |
| Amount | Amount on Record |
|---|---|
| Term | 60 Months |
| Due | Aug 12, 2024 |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DADE FL |
| Property Address | 551 S MASHTA DR, KEY BISCAYNE, FL 33149-1732 |
| Document Number | 0000034970 |
| Instrument Date | Jan 10, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Nov 16, 2018 |
| Title Company | ATTORNEY ONLY |
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 551 S MASHTA DR KEY BISCAYNE FL 331491732, KEY BISCAYNE, FL 33149-1732 |
| Document Number | 0000034970 |
|---|---|
| Date | Jan 20, 2017 |
| Book Page | 030390/002922 |
| Instrument | 34970 |
| Name | JOHN E WHITE |
|---|---|
| Address | 736 WOODCREST RD, KEY BISCAYNE, FL 33149-2427 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 24 Months |
| Due | Jan 19, 2019 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DADE FL |
| Recording Date | Jan 12, 2017 |
| Property Address | 551 S MASHTA DR, KEY BISCAYNE, FL 33149-1732 |
| Document Number | 0000021665 |
| Book / Page | 030382 / 003510 |
| Instrument Date | Jan 4, 2017 |
| Instrument | 21665 |
| Transaction Type | Transfer |
| Record Updated | Feb 20, 2018 |
| Title Company | ATTORNEY ONLY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 551 S MASHTA DR KEY BISCAYNE FL 331491732, KEY BISCAYNE, FL 33149-1732 |
| Document Number | 21666 |
|---|---|
| Date | Jan 12, 2017 |
| Book Page | 030382/003512 |
| Instrument | 21666 |
| Name | JOHN E WHITE |
|---|---|
| Address | 736 WOODCREST RD, KEY BISCAYNE, FL 33149-2427 |
| Special Notes | Seller Financed |
| Amount | Amount on Record |
|---|---|
| Term | 24 Months |
| Due | Jan 11, 2019 |
The 2025 property tax bill for 551 S Mashta Dr was $54,870.
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 | $54,870.00 | $3,170,313 | $3,773,709 Land $3,100,000 Building $673,709 |
| 2023 | $49,328.00 (+19.34%) | $3,531,817 (+29.09%) Land $2,850,000 Building $681,817 | $3,531,817 (+29.09%) Land $2,850,000 Building $681,817 |
| 2022 | $41,334.00 | $2,735,880 Land $2,050,000 Building $685,880 | $2,735,880 Land $2,050,000 Building $685,880 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 551 S Mashta Dr in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
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 File 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.
Wildfire risk around 551 S Mashta Dr is low, with a 0.01% annual chance of wildfire.
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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