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521 SW Duval Avenue, Port Saint Lucie, FL 34983

Vacant residential property on a 0.23-acre lot in Port Saint Lucie, St. Lucie County. Facts below come from the county property appraiser's public record.

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County just value (tax roll) — not a market value
$111,800
County assessed value (tax roll)
$111,800
Lot size
0.23 acres (10,000 sq ft)
Land use
Vacant residential
FEMA flood zone
Not on file yet
County
St. Lucie County, FL
Parcel ID
fl-66-3420-515-0014-000-1

At a glance

Who owns 521 SW Duval Ave?
St. Lucie County property records list Fiorentino John as the owner of record.
What is the county just value of 521 SW Duval Ave?
$111,800 on the St. Lucie County tax roll (as of January 1). Just value is the property appraiser's figure for property taxes — not a market value.
What is the parcel ID?
fl-66-3420-515-0014-000-1 (St. Lucie County).

Current owner

Owner contact info

Phones, emails and mailing addresses from public Florida records are available to members.

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More on SW Duval Ave

All 107 properties on SW Duval Ave · ZIP 34983 (Port Saint Lucie). Values are county just values (tax roll), not market values.

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Source: Florida Department of Revenue parcel roll; data refreshed Jun 30, 2026. Values are county tax-roll figures, not appraisals. How to read these values · Data sources