521 3rd Street NW, Naples, FL 34120

Single family property built in 1986 with 3,965 sq ft of living area on a 5.00-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

$507,519

County assessed value (tax roll)

$196,061

Living area

3,965 sq ft

Lot size

5.00 acres

Year built

1986

Land use

Single family

FEMA flood zone

Not on file yet

County

Collier County, FL

Parcel ID

fl-21-37115520008

At a glance

Who owns 521 3rd St NW?: Collier County property records list KNUTSON, DOUGLAS M as the owner of record.
What is the county just value of 521 3rd St NW?: $507,519 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-21-37115520008 (Collier County).

Current owner

KNUTSON, DOUGLAS M

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

521 3rd Street NW, Naples, FL 34120

At a glance

Current owner

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