787 21st Avenue S, Naples, FL 34102

Single family property built in 2003 with 10,530 sq ft of living area on a 0.38-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

$7,783,974

County assessed value (tax roll)

$3,487,389

Living area

10,530 sq ft

Lot size

0.38 acres (16,435 sq ft)

Year built

2003

Land use

Single family

FEMA flood zone

Not on file yet

County

Collier County, FL

Parcel ID

fl-21-01930040003

At a glance

Who owns 787 21st Ave S?: Collier County property records list DOERR, DAVID E & MARILYN A as the owner of record.
What is the county just value of 787 21st Ave S?: $7,783,974 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-21-01930040003 (Collier County).

Current owner

DOERR, DAVID E & MARILYN A

Owner contact info

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

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Nearby properties

755 21st Ave S, Naples $8.8M · built 2000
825 21st Ct S, Naples $184K · built 2000
2125 Marina Dr, Naples $3.2M · built 1967
848 21st Ct S, Naples $13.9M · built 2016
744 21st Ave S, Naples $13.6M · built 2021
2036 8th St S, Naples $7.8M · built 1999
2107 21st Ct S, Naples $5.8M · built 1957
832 21st Ct S, Naples $5.8M · built 2011

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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