445 GRAND BAY DR 518, Key Biscayne, FL 33149
Parcel: 2452050491290 · Residential · Condominium - Residential · Zoning: 9400
Assessed Value (2025)
$641,713
Property Details
Beds
2
Baths
2.5
Living Sqft
1,760
Year Built
1996
RESIDENTIAL - TOTAL VALUE : CONDOMINIUM - RESIDENTIAL
Sales History
1
$544,000
1996-10-01
2
$100non-market transfer
2025-09-19
BERARDO MARAGNI &W ANNETTE → BERARDO MARAGNI TRS
3
N/A
2025-09-24
Tax Assessment History
$641,713
Assessed (2025)
$1,370,690
Market Value
$590,991
Taxable Value
$12,032
Annual Tax
2024
$623,628
$1,370,690
2025
$641,713
$1,370,690
Assessed Market
View detailed table
| Year | Assessed | Market | Taxable | Tax | Building | |
|---|---|---|---|---|---|---|
| 2025 | $641,713 | $1,370,690 | $590,991 | $12,032 | $0 | $0 |
| 2024 | $623,628 | $1,370,690 | $573,628 | $11,679 | $0 | $0 |
About 445 GRAND BAY DR 518, Key Biscayne, FL 33149
445 GRAND BAY DR 518, Key Biscayne, FL 33149 is a 2-bedroom, 2.5-bathroom residential - total value : condominium - residential built in 1996 with 1,760 square feet of living space. The property is currently owned by BERARDO MARAGNI TRS FAMIGLIA ABCD MARAGNI TBE REV TR, recorded as of 2026-04-19. The owner appears to be owner-occupied based on the mailing address matching the property address.
There are 3 recorded sales for this property. The 2025 assessed value is $641,713 with a market value of $1,370,690. The assessed value increased 3% from $623,628 in 2024.
The property has the following tax exemptions: homestead. The median household income in this area is $170,682, and the median home value is $1,539,500. The population density is 16,591 people per square mile.
445 GRAND BAY DR 518, Key Biscayne, FL 33149 is located in Key Biscayne, Florida. Property records, tax assessments, sales history, and ownership information for this Key Biscayne property are sourced from miami_dade County public records. The complete ownership history of this property spans from 1996 to 2025, with 3 recorded transactions in the public record..
Current Owner
BERARDO MARAGNI TRS FAMIGLIA ABCD MARAGNI TBE REV TR
445 GRAND BAY DR 518, KEY BISCAYNE, FL, 33149
Since: 2026-04-19
View owner profile →
Est. Annual Insurance
$5,533 — $9,783
Flood $400 — $800
Property/Wind $5,133 — $8,983
Estimate based on FEMA flood zone, property value, and year built. Actual premiums vary based on elevation, mitigation features, roof condition, and insurer. Not a quote.
Neighborhood
Median Income$170,682
Median Home Value$1,539,500
Pop. Density16,591/sq mi
Neighborhood 33149
34.2%
Owner-Occ
65.8%
Investor
119
Flips (4yr)
3,025
New Biz (3yr)
Distress Risk
MODERATE
36
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