455 GRAND BAY DR 717, Key Biscayne, FL 33149

Parcel: 2452050611170 · Residential · Condominium - Residential · Zoning: 9400

Assessed Value (2025)
$572,836

Property Details

Baths
1
Living Sqft
532
Year Built
2001
RESIDENTIAL - TOTAL VALUE : CONDOMINIUM - RESIDENTIAL

Sales History

1
$280,000
2001-08-01
2
$450,000+61%
2020-10-30
BIARITZ GROUP INC JAMES F MARTIN
3
$575,000+28%
2021-01-07
JAMES F MARTIN455 RITZ KB LLC

Tax Assessment History

$572,836
Assessed (2025)
$572,836
Market Value
$572,836
Taxable Value
$11,662
Annual Tax
2024
$545,558
2025
$572,836
Assessed Market
View detailed table
YearAssessedMarketTaxableTax
2025 $572,836 $572,836 $572,836 $11,662
2024 $545,558 $545,558 $545,558 $11,107

About 455 GRAND BAY DR 717, Key Biscayne, FL 33149

455 GRAND BAY DR 717, Key Biscayne, FL 33149 is a residential - total value : condominium - residential built in 2001 with 532 square feet of living space. The property is currently owned by 455 RITZ KB LLC, recorded as of 2026-03-29. The mailing address differs from the property address, suggesting this may be an investment property or rental.

The most recent sale was on 2021-01-07 for $575,000, when JAMES F MARTIN sold to 455 RITZ KB LLC. The property has appreciated $125,000 (28%) since the prior sale of $450,000 on 2020-10-30. There are 3 recorded sales for this property.

The 2025 assessed value is $572,836 with a market value of $572,836. The assessed value increased 5% from $545,558 in 2024. This property is located in FEMA Flood Zone AE, a Special Flood Hazard Area with a 1% annual chance of flooding (100-year floodplain).

Flood insurance is typically required by lenders for properties in this zone. 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 $62,284 recorded against this property. 455 GRAND BAY DR 717, 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 2001 to 2021, with 3 recorded transactions in the public record. The current assessed value represents 100% of the most recent sale price. Based on the most recent sale, this property traded at $1081 per square foot — a key metric for comparing value across Key Biscayne's real estate market..

Current Owner

455 RITZ KB LLC
401 RYLAND ST #200A, RENO, NV, 89502
Since: 2026-03-29
View owner profile →

People Behind This Entity

Flood Zone

Zone AE
Special Flood Hazard Area

Est. Annual Insurance

$4,982 — $8,819
Flood $400 — $800
Property/Wind $4,582 — $8,019

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
View full risk analysis →

Mortgages

ACTIVE
$459,904
~$62,284 bal.
UNION BANK & TRUST CO · 2022-01-13
Est. Total Balance $62,284
* Estimated assuming 30-year fixed mortgage at prevailing rate at origination. Actual terms may differ.
Zoom in to see property sales