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513 FLEMING Street, Key West, FL 33040

Office building (multi-story) property built in 1954 with 11,113 sq ft of living area on a 0.22-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
$4,270,203
County assessed value (tax roll)
$4,270,203
Living area
11,113 sq ft
Lot size
0.22 acres (9,425 sq ft)
Year built
1954
Land use
Office building (multi-story)
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-0668 25 00006560000000

At a glance

Who owns 513 FLEMING St?
Monroe County property records list ONDERDONK GARY as the owner of record.
What is the county just value of 513 FLEMING St?
$4,270,203 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 00006560000000 (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 Fleming St

All 139 properties on Fleming 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