520 ISLAND DR, PALM BEACH, FL 33480
Parcel: 50434327030000291 · Single Family · Zoning: 001
Assessed Value (2026)
$48,179,740
Property Details
Year Built
2019
Lot Sqft
38,711
Sales History
1
$49,141,600
2021-05-14
Tax Assessment History
$48,179,740
Assessed (2026)
$50,001,210
Market Value
$48,129,020
Taxable Value
$979,868
Annual Tax
2025
$48,179,738
$50,001,213
2026
$48,179,740
$50,001,210
Assessed Market
View detailed table
| Year | Assessed | Market | Taxable | Tax | Building | |
|---|---|---|---|---|---|---|
| 2026 | $48,179,740 | $50,001,210 | $48,129,020 | $979,868 | $24,726,350 | $25,274,860 |
| 2025 | $48,179,738 | $50,001,213 | $48,154,738 | $980,392 | $24,726,350 | $25,274,863 |
About 520 ISLAND DR, PALM BEACH, FL 33480
520 ISLAND DR, PALM BEACH, FL 33480 is a property built in 2019 on a 38,711 square foot lot. The property is currently owned by DINAN JAMES G & MILLER ELIZABETH R, recorded as of 2026-04-03. The owner appears to be owner-occupied based on the mailing address matching the property address.
The most recent sale was on 2021-05-14 for $49,141,600. The 2026 assessed value is $48,179,740 with a market value of $50,001,210. This breaks down to $24,726,350 for the land and $25,274,860 for the building.
The assessed value increased 0% from $48,179,738 in 2025. The property has the following tax exemptions: homestead. The median household income in this area is $164,545, and the median home value is $1,026,700.
The population density is 2,041 people per square mile. There are active mortgage liens totaling $22,926,106 recorded against this property. 520 ISLAND DR, PALM BEACH, FL 33480 is located in PALM BEACH, Florida.
Property records, tax assessments, sales history, and ownership information for this PALM BEACH property are sourced from palm_beach County public records. The current assessed value represents 98% of the most recent sale price..
Current Owner
DINAN JAMES G & MILLER ELIZABETH R
520 ISLAND DR, PALM BEACH, FL, 33480
Since: 2026-04-03
View owner profile →
Est. Annual Insurance
$260,570 — $434,417
Flood $400 — $800
Property/Wind $260,170 — $433,617
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$164,545
Median Home Value$1,026,700
Pop. Density2,041/sq mi
Neighborhood 33480
84.6%
Owner-Occ
15.4%
Investor
6,443
Flips (4yr)
2,193
New Biz (3yr)
Distress Risk
MODERATE
31
Mortgages
ACTIVE
$29,280,000
BANK OF AMERICA NA · 2021-09-14
Est. Total Balance $22,926,106
* Estimated assuming 30-year fixed mortgage at prevailing rate at origination. Actual terms may differ.
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