445 GRAND BAY DR 707, Key Biscayne, FL 33149
Parcel: 2452050490610 · Residential · Condominium - Residential · Zoning: 9400
Assessed Value (2025)
$2,568,719
Property Details
Beds
3
Baths
4.5
Living Sqft
3,320
Year Built
1996
RESIDENTIAL - TOTAL VALUE : CONDOMINIUM - RESIDENTIAL
Sales History
1
$100non-market transfer
2023-08-25
JACDOM HOLDINGS LTD → KBC USRPI HOLDINGS INC
2
$3,490,000
2023-09-06
KBC USRPI HOLDINGS INC → CARLOS AUGUSTO NAVARRO
3
$100non-market transfer
2023-10-30
JACDOM HOLDINGS LTD → KBC USRPI HOLDINGS INC
4
N/A
2023-11-09
Tax Assessment History
$2,568,719
Assessed (2025)
$2,996,326
Market Value
$2,517,997
Taxable Value
$51,264
Annual Tax
2024
$2,496,326
$2,996,326
2025
$2,568,719
$2,996,326
Assessed Market
View detailed table
| Year | Assessed | Market | Taxable | Tax | Building | |
|---|---|---|---|---|---|---|
| 2025 | $2,568,719 | $2,996,326 | $2,517,997 | $51,264 | $0 | $0 |
| 2024 | $2,496,326 | $2,996,326 | $2,446,326 | $49,805 | $0 | $0 |
About 445 GRAND BAY DR 707, Key Biscayne, FL 33149
445 GRAND BAY DR 707, Key Biscayne, FL 33149 is a 3-bedroom, 4.5-bathroom residential - total value : condominium - residential built in 1996 with 3,320 square feet of living space. The property is currently owned by CARLOS AUGUSTO NAVARRO MAIRYM CASAL BRANDT, recorded as of 2026-04-19. The mailing address differs from the property address, suggesting this may be an investment property or rental.
There are 4 recorded sales for this property. The 2025 assessed value is $2,568,719 with a market value of $2,996,326. The assessed value increased 3% from $2,496,326 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.
There are active mortgage liens totaling $1,649,439 recorded against this property. 445 GRAND BAY DR 707, 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 2023 to 2023, with 4 recorded transactions in the public record..
Current Owner
CARLOS AUGUSTO NAVARRO MAIRYM CASAL BRANDT
445 GRAND BAY DR UNIT 707, KEY BISCAYNE, FL, 33149
Since: 2026-04-19
View owner profile →
Est. Annual Insurance
$20,949 — $36,762
Flood $400 — $800
Property/Wind $20,549 — $35,962
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
Mortgages
ACTIVE 6.625% rate
$1,700,000
BNY MELLON NA · 2023-11-09
Est. Total Balance $1,649,439
* Estimated assuming 30-year fixed mortgage at prevailing rate at origination. Actual terms may differ.
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