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1404 William Costello Way, Saint Augustine, FL 32084

Mobile home property built in 1984 with 900 sq ft of living area on a 0.88-acre lot in Saint Augustine, St. Johns 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
$68,983
County assessed value (tax roll)
$68,983
Living area
900 sq ft
Lot size
0.88 acres (38,332 sq ft)
Year built
1984
Land use
Mobile home
FEMA flood zone
Not on file yet
County
St. Johns County, FL
Parcel ID
fl-65-0980800000

At a glance

Who owns 1404 William Costello Way?
St. Johns County property records list O'CONNOR DEBRA A LIVING TRUST as the owner of record.
What is the county just value of 1404 William Costello Way?
$68,983 on the St. Johns 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-65-0980800000 (St. Johns 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 William Costello Way

All 4 properties on William Costello Way · ZIP 32084 (Saint Augustine). 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