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3691 21st Avenue SW, Naples, FL 34117

Vacant residential property on a 2.50-acre lot in Naples, Collier 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
$312,500
County assessed value (tax roll)
$312,500
Lot size
2.50 acres (108,900 sq ft)
Land use
Vacant residential
FEMA flood zone
Not on file yet
County
Collier County, FL
Parcel ID
fl-21-38048480104

At a glance

Who owns 3691 21st Ave SW?
Collier County property records list MATO, CANDIDO SANTIAGO as the owner of record.
What is the county just value of 3691 21st Ave SW?
$312,500 on the Collier 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-21-38048480104 (Collier 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 21st Ave SW

All 62 properties on 21st Ave SW · ZIP 34117 (Naples). Values are county just values (tax roll), not market values.

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Source: Florida Department of Revenue parcel roll; data refreshed Jun 23, 2026. Values are county tax-roll figures, not appraisals. How to read these values · Data sources