481 21st Avenue S, Naples, FL 34102

Single family property built in 2017 with 26,010 sq ft of living area on a 0.35-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

$11,533,096

County assessed value (tax roll)

$11,533,096

Living area

26,010 sq ft

Lot size

0.35 acres (15,164 sq ft)

Year built

2017

Land use

Single family

FEMA flood zone

Not on file yet

County

Collier County, FL

Parcel ID

fl-21-01881400006

At a glance

Who owns 481 21st Ave S?: Collier County property records list MARTIN III, JOHN S & MARY K as the owner of record.
What is the county just value of 481 21st Ave S?: $11,533,096 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-21-01881400006 (Collier County).

Current owner

MARTIN III, JOHN S & MARY K

Owner contact info

Phones, emails and mailing addresses from public Florida records are available to members.

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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

481 21st Avenue S, Naples, FL 34102

At a glance

Current owner

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