3381 21st Avenue SW, Naples, FL 34117
Single family property built in 1986 with 2,569 sq ft of living area on a 1.14-acre lot in Naples, Collier County. Facts below come from the county property appraiser's public record.
County just value (tax roll) — not a market value
$450,651
County assessed value (tax roll)
$450,651
Living area
2,569 sq ft
Lot size
1.14 acres (49,658 sq ft)
Year built
1986
Land use
Single family
FEMA flood zone
Not on file yet
County
Collier County, FL
Parcel ID
fl-21-38042120004
At a glance
- Who owns 3381 21st Ave SW?
- Collier County property records list REINERTSEN, MARK as the owner of record.
- What is the county just value of 3381 21st Ave SW?
- $450,651 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-21-38042120004 (Collier County).
Current owner
- REINERTSEN, MARK
Owner contact info
Phones, emails and mailing addresses from public Florida records are available to members.
See plansMore on 21st Ave SW
- 3261 21st Ave SW $717K · built 1984
- 3280 21st Ave SW $531K · built 1988
- 3281 21st Ave SW $484K · built 1999
- 3291 21st Ave SW $314K · built 1984
- 3301 21st Ave SW $751K · built 1975
- 3310 21st Ave SW $409K · built 1984
- 3340 21st Ave SW $1.4M · built 1986
- 3350 21st Ave SW $576K · built 1977
- 3355 21st Ave SW $513K · built 1977
- 3380 21st Ave SW $818K · built 2005
- 3393 21st Ave SW $864K · built 2017
- 3401 21st Ave SW $562K · built 1990
- 3420 21st Ave SW $870K · built 2000
- 3440 21st Ave SW $574K · built 2000
- 3441 21st Ave SW $501K · built 1983
- 3470 21st Ave SW $510K · built 1984
- 3501 21st Ave SW $619K · built 1981
- 3510 21st Ave SW $684K · built 1988
- 3511 21st Ave SW $373K · built 1978
- 3525 21st Ave SW $368K · built 1978
All 62 properties on 21st Ave SW · ZIP 34117 (Naples). Values are county just values (tax roll), not market values.
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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