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12939 Winthrop Cove Drive, Jacksonville, FL 32224

Single family property built in 1998 with 2,469 sq ft of living area on a 0.16-acre lot in Jacksonville, Duval 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
$392,281
County assessed value (tax roll)
$225,321
Living area
2,469 sq ft
Lot size
0.16 acres (6,820 sq ft)
Year built
1998
Land use
Single family
FEMA flood zone
Not on file yet
County
Duval County, FL
Parcel ID
fl-26-1671311745R

At a glance

Who owns 12939 Winthrop Cove Dr?
Duval County property records list MAINWARING JAMES MICHAEL as the owner of record.
What is the county just value of 12939 Winthrop Cove Dr?
$392,281 on the Duval 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-26-1671311745R (Duval 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 Winthrop Cove Dr

All 42 properties on Winthrop Cove Dr · ZIP 32224 (Jacksonville). 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