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323 S 12th Street, Fernandina Beach, FL 32034

Single family property built in 1964 with 1,341 sq ft of living area on a 0.18-acre lot in Fernandina Beach, Nassau 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
$317,070
County assessed value (tax roll)
$317,070
Living area
1,341 sq ft
Lot size
0.18 acres (7,700 sq ft)
Year built
1964
Land use
Single family
FEMA flood zone
Not on file yet
County
Nassau County, FL
Parcel ID
fl-55-0000311800021606D0

At a glance

Who owns 323 S 12th St?
Nassau County property records list THOMPSON MARY E L/E as the owner of record.
What is the county just value of 323 S 12th St?
$317,070 on the Nassau 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-55-0000311800021606D0 (Nassau 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 S 12th St

All 69 properties on S 12th St · ZIP 32034 (Fernandina Beach). Values are county just values (tax roll), not market values.

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Source: Florida Department of Revenue parcel roll; data refreshed Jun 25, 2026. Values are county tax-roll figures, not appraisals. How to read these values · Data sources