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31381 Avenue I, Big Pine Key, FL 33043

Mobile home property built in 1962 with 1,586 sq ft of living area on a 0.34-acre lot in Big Pine 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
$597,503
County assessed value (tax roll)
$310,092
Living area
1,586 sq ft
Lot size
0.34 acres (15,000 sq ft)
Year built
1962
Land use
Mobile home
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-2566 29 00110980000000

At a glance

Who owns 31381 Avenue I?
Monroe County property records list FINN MATTHEW as the owner of record.
What is the county just value of 31381 Avenue I?
$597,503 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-54-2566 29 00110980000000 (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 I

All 38 properties on Ave I · ZIP 33043 (Big Pine Key). 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