561 21st Street SW, Naples, FL 34117

Single family property built in 1988 with 1,572 sq ft of living area on a 2.27-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

$423,481

County assessed value (tax roll)

$148,876

Living area

1,572 sq ft

Lot size

2.27 acres (98,881 sq ft)

Year built

1988

Land use

Single family

FEMA flood zone

Not on file yet

County

Collier County, FL

Parcel ID

fl-21-36962440002

At a glance

Who owns 561 21st St SW?: Collier County property records list O GRADNEY FAMILY TRUST as the owner of record.
What is the county just value of 561 21st St SW?: $423,481 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-21-36962440002 (Collier County).

Current owner

O GRADNEY FAMILY TRUST

Owner contact info

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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

561 21st Street SW, Naples, FL 34117

At a glance

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