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510 Avenue A, Big Coppitt Key, FL 33040

Single family property built in 2004 with 1,300 sq ft of living area on a 0.11-acre lot in Big Coppitt Key, 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
$667,437
County assessed value (tax roll)
$630,308
Living area
1,300 sq ft
Lot size
0.11 acres (5,000 sq ft)
Year built
2004
Land use
Single family
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-2267 26 00151750000100

At a glance

Who owns 510 Avenue A?
Monroe County property records list PAILLOUX-SIGOUIN GUILLAUME as the owner of record.
What is the county just value of 510 Avenue A?
$667,437 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-54-2267 26 00151750000100 (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 Ave A

All 22 properties on Ave A · 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