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5400 Killarney Avenue, Saint Lucie County, FL 34951

Single family property built in 1993 with 1,352 sq ft of living area on a 0.51-acre lot in Saint Lucie County, 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
$315,300
County assessed value (tax roll)
$289,602
Living area
1,352 sq ft
Lot size
0.51 acres (22,320 sq ft)
Year built
1993
Land use
Single family
FEMA flood zone
Not on file yet
County
St. Lucie County, FL
Parcel ID
fl-66-1301-614-0001-000-9

At a glance

Who owns 5400 Killarney Ave?
St. Lucie County property records list Nelligan James Nathan as the owner of record.
What is the county just value of 5400 Killarney Ave?
$315,300 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-66-1301-614-0001-000-9 (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 Killarney Ave

All 80 properties on Killarney Ave · ZIP 34951 (Saint Lucie County). 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