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3421 Usina Road, Saint Augustine, FL 32084

Mobile home property built in 1983 with 876 sq ft of living area on a 0.92-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
$99,303
County assessed value (tax roll)
$35,652
Living area
876 sq ft
Lot size
0.92 acres (40,075 sq ft)
Year built
1983
Land use
Mobile home
FEMA flood zone
Not on file yet
County
St. Johns County, FL
Parcel ID
fl-65-0870400000

At a glance

Who owns 3421 Usina Rd?
St. Johns County property records list SCHWEINFURTH MARILYN E as the owner of record.
What is the county just value of 3421 Usina Rd?
$99,303 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-65-0870400000 (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 Usina Rd

All 40 properties on Usina Rd · 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