345 SEASPRAY AVE, PALM BEACH, FL 33480

Parcel: 50434322070003660 · Single Family · Zoning: 001

Assessed Value (2026)
$8,219,064

Property Details

Year Built
1937
Lot Sqft
12,250

Sales History

1
$5,569,000
2020-08-31

Tax Assessment History

$8,219,064
Assessed (2026)
$8,965,475
Market Value
$8,168,342
Taxable Value
$166,301
Annual Tax
2025
$8,219,064
$8,965,475
2026
$8,219,064
$8,965,475
Assessed Market
View detailed table
YearAssessedMarketTaxableTax
2026 $8,219,064 $8,965,475 $8,168,342 $166,301
2025 $8,219,064 $8,965,475 $8,194,064 $166,825

About 345 SEASPRAY AVE, PALM BEACH, FL 33480

345 SEASPRAY AVE, PALM BEACH, FL 33480 is a property built in 1937 on a 12,250 square foot lot. The property is currently owned by DUFFIE JUSTIN C & DUFFIE CAROLINE C, 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 2020-08-31 for $5,569,000. The 2026 assessed value is $8,219,064 with a market value of $8,965,475. This breaks down to $8,207,500 for the land and $757,975 for the building.

The property has the following tax exemptions: homestead. The median household income in this area is $232,794, and the median home value is $2,000,001. The population density is 2,622 people per square mile.

There are active mortgage liens totaling $2,247,786 recorded against this property. 345 SEASPRAY AVE, 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 148% of the most recent sale price. This high ratio could indicate the property was purchased below market value — a potential sign of a distressed sale or off-market deal..

Current Owner

DUFFIE JUSTIN C & DUFFIE CAROLINE C
345 SEASPRAY AVE, PALM BEACH, FL, 33480
Since: 2026-04-03
View owner profile →

Est. Annual Insurance

$89,165 — $163,537
Flood $400 — $800
Property/Wind $88,765 — $162,737

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$232,794
Median Home Value$2,000,001
Pop. Density2,622/sq mi

Neighborhood 33480

84.6%
Owner-Occ
15.4%
Investor
6,443
Flips (4yr)
2,193
New Biz (3yr)
Distress Risk
MODERATE
31
View full risk analysis →

Mortgages

ACTIVE
$3,000,000
~$2,247,786 bal.
BANK OF AMERICA NA · 2021-01-06
Est. Total Balance $2,247,786
* Estimated assuming 30-year fixed mortgage at prevailing rate at origination. Actual terms may differ.
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