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509 SOUTH Street Unit 101, Key West, FL 33040

Single family property built in 1943 with 2,311 sq ft of living area on a 0.11-acre lot in Key West, 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
$2,784,867
County assessed value (tax roll)
$2,784,867
Living area
2,311 sq ft
Lot size
0.11 acres (5,000 sq ft)
Year built
1943
Land use
Single family
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-0668 25 00035950000200

At a glance

Who owns 509 SOUTH St Unit 101?
Monroe County property records list SEASIDE PLACE KEY WEST LLC as the owner of record.
What is the county just value of 509 SOUTH St Unit 101?
$2,784,867 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-54-0668 25 00035950000200 (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 S St

All 124 properties on S St · ZIP 33040 (Key West). 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