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310 21st Street SW, Naples, FL 34117

Vacant residential property on a 1.59-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
$169,335
County assessed value (tax roll)
$169,335
Lot size
1.59 acres (69,260 sq ft)
Land use
Vacant residential
FEMA flood zone
Not on file yet
County
Collier County, FL
Parcel ID
fl-21-36963920000

At a glance

Who owns 310 21st St SW?
Collier County property records list CALLAHAN, LINDA K as the owner of record.
What is the county just value of 310 21st St SW?
$169,335 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-21-36963920000 (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 St SW

All 203 properties on 21st St 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