341 21st Street SW, Naples, FL 34117

Single family property built in 1990 with 2,231 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.

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

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

$398,813

County assessed value (tax roll)

$129,661

Living area

2,231 sq ft

Lot size

2.27 acres (98,881 sq ft)

Year built

1990

Land use

Single family

FEMA flood zone

Not on file yet

County

Collier County, FL

Parcel ID

fl-21-36962760009

At a glance

Who owns 341 21st St SW?: Collier County property records list ALONSO, JOSE G & MARIA E as the owner of record.
What is the county just value of 341 21st St SW?: $398,813 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-21-36962760009 (Collier County).

Current owner

ALONSO, JOSE G & MARIA E

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

341 21st Street SW, Naples, FL 34117

At a glance

Current owner

More on 21st St SW

Explore the area

Search this address on listing sites