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480 12TH St GULF, Marathon, FL 33050

Single family property built in 1954 with 1,457 sq ft of living area on a 0.18-acre lot in Marathon, Monroe 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
$1,521,971
County assessed value (tax roll)
$1,521,971
Living area
1,457 sq ft
Lot size
0.18 acres (7,847 sq ft)
Year built
1954
Land use
Single family
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-0866 32 00101640000000

At a glance

Who owns 480 12TH St GULF?
Monroe County property records list SOUTHERN DOCK LLC as the owner of record.
What is the county just value of 480 12TH St GULF?
$1,521,971 on the Monroe 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-54-0866 32 00101640000000 (Monroe 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 12th St Gulf

All 14 properties on 12th St Gulf · ZIP 33050 (Marathon). 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