3601 21st Avenue SW, Naples, FL 34117

Single family property built in 1977 with 1,912 sq ft of living area on a 2.73-acre lot in Naples, Collier County. Facts below come from the county property appraiser's public record.

Open in interactive map List this home free on dwello Own this home? Claim it

County just value (tax roll) — not a market value

$470,745

County assessed value (tax roll)

$153,535

Living area

1,912 sq ft

Lot size

2.73 acres (118,919 sq ft)

Year built

1977

Land use

Single family

FEMA flood zone

Not on file yet

County

Collier County, FL

Parcel ID

fl-21-38046240003

At a glance

Who owns 3601 21st Ave SW?: Collier County property records list MC KINLEY, WILLIAM LUCAS as the owner of record.
What is the county just value of 3601 21st Ave SW?: $470,745 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-21-38046240003 (Collier County).

Current owner

MC KINLEY, WILLIAM LUCAS

Owner contact info

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

See plans

Explore the area

Search this address on listing sites

These links open the listing site directly; we don't copy their data.

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

3601 21st Avenue SW, Naples, FL 34117

At a glance

Current owner

More on 21st Ave SW

Explore the area

Search this address on listing sites