300 FERNWOOD RD, Key Biscayne, FL 33149

Parcel: 2442320060865 · Residential - Single Family · 1 Unit · Zoning: 5700

Assessed Value (2025)
$1,894,343

Property Details

Beds
3
Baths
3
Living Sqft
2,118
Year Built
2022
Lot Sqft
3,847
Stories
3
RESIDENTIAL - SINGLE FAMILY : 1 UNIT

Sales History

1
$2,250,000
2022-05-06
300 FORNWOOD INVSTMENT LLCMARK DUIS

Tax Assessment History

$1,894,343
Assessed (2025)
$1,894,343
Market Value
$1,843,621
Taxable Value
$37,535
Annual Tax
2024
$1,903,719
2025
$1,894,343
Assessed Market
View detailed table
YearAssessedMarketTaxableTax
2025 $1,894,343 $1,894,343 $1,843,621 $37,535
2024 $1,903,719 $1,903,719 $1,853,719 $37,740

About 300 FERNWOOD RD, Key Biscayne, FL 33149

300 FERNWOOD RD, Key Biscayne, FL 33149 is a 3-bedroom, 3-bathroom residential - single family : 1 unit built in 2022 with 2,118 square feet of living space on a 3,847 square foot lot. The property is currently owned by MARK DUIS JENNY DUIS, recorded as of 2026-04-19. The mailing address differs from the property address, suggesting this may be an investment property or rental.

The most recent sale was on 2022-05-06 for $2,250,000, when 300 FORNWOOD INVSTMENT LLC sold to MARK DUIS. The 2025 assessed value is $1,894,343 with a market value of $1,894,343. This breaks down to $969,444 for the land and $924,899 for the building.

The assessed value decreased 0% from $1,903,719 in 2024. The property has the following tax exemptions: homestead. 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 $250,001, and the median home value is $2,000,001. The population density is 3,407 people per square mile.

There are active mortgage liens totaling $696,374 recorded against this property. 300 FERNWOOD RD, 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 current assessed value represents 84% of the most recent sale price. Based on the most recent sale, this property traded at $1062 per square foot — a key metric for comparing value across Key Biscayne's real estate market..

Current Owner

MARK DUIS JENNY DUIS
300 FERNWOOD ROAD, UNIT A, KEY BISCAYNE, FL, 33149
Since: 2026-04-19
View owner profile →

Flood Zone

Zone AE
Special Flood Hazard Area

Est. Annual Insurance

$11,766 — $19,743
Flood $400 — $800
Property/Wind $11,366 — $18,943

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$250,001
Median Home Value$2,000,001
Pop. Density3,407/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 4% rate
$750,000
~$696,374 bal.
UBS BANK USA · 2022-09-02
Est. Total Balance $696,374
* Estimated assuming 30-year fixed mortgage at prevailing rate at origination. Actual terms may differ.
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