455 GRAND BAY DR 712, Key Biscayne, FL 33149

Parcel: 2452050610820 · Residential · Condominium - Residential · Zoning: 9400

Assessed Value (2025)
$1,154,739

Property Details

Beds
1
Baths
1
Living Sqft
849
Year Built
2001
RESIDENTIAL - TOTAL VALUE : CONDOMINIUM - RESIDENTIAL

Sales History

1
$1,150,000
2017-11-10
WARSTEIN INVEST LLCDEMARE LLC
2
$1,400,000+22%
2018-10-04
DEMARE LLCBOL INVESTMENT LLC
3
$1,500,000+7%
2022-04-20
BOL INVESTMENT LLCJ D MITTENS PARTNERS LLC
4
$1,500,000
2022-05-23

Tax Assessment History

$1,154,739
Assessed (2025)
$1,165,237
Market Value
$1,154,739
Taxable Value
$23,510
Annual Tax
2024
$1,049,763
2025
$1,154,739
$1,165,237
Assessed Market
View detailed table
YearAssessedMarketTaxableTax
2025 $1,154,739 $1,165,237 $1,154,739 $23,510
2024 $1,049,763 $1,049,763 $1,049,763 $21,372

About 455 GRAND BAY DR 712, Key Biscayne, FL 33149

455 GRAND BAY DR 712, Key Biscayne, FL 33149 is a 1-bedroom, 1-bathroom residential - total value : condominium - residential built in 2001 with 849 square feet of living space. The property is currently owned by J D MITTENS PARTNERS 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 2022-05-23 for $1,500,000. There are 4 recorded sales for this property. The 2025 assessed value is $1,154,739 with a market value of $1,165,237.

The assessed value increased 10% from $1,049,763 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 $692,274 recorded against this property.

455 GRAND BAY DR 712, 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 2017 to 2022, with 4 recorded transactions in the public record.

The current assessed value represents 77% of the most recent sale price. Based on the most recent sale, this property traded at $1767 per square foot — a key metric for comparing value across Key Biscayne's real estate market..

Current Owner

J D MITTENS PARTNERS LLC
449 HOLLY RD, BLUE BELL, PA, 19422
Since: 2026-03-29
View owner profile →

People Behind This Entity

Flood Zone

Zone AE
Special Flood Hazard Area

Est. Annual Insurance

$9,637 — $16,966
Flood $400 — $800
Property/Wind $9,237 — $16,166

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
$700,000
~$692,274 bal.
FLEXPOINT INC · 2025-05-06
Est. Total Balance $692,274
* Estimated assuming 30-year fixed mortgage at prevailing rate at origination. Actual terms may differ.
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