1721 21st Street SW, Naples, FL 34117
Single family property built in 1999 with 1,837 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.
County just value (tax roll) — not a market value
$393,937
County assessed value (tax roll)
$153,778
Living area
1,837 sq ft
Lot size
2.73 acres (118,919 sq ft)
Year built
1999
Land use
Single family
FEMA flood zone
Not on file yet
County
Collier County, FL
Parcel ID
fl-21-45964000004
At a glance
- Who owns 1721 21st St SW?
- Collier County property records list ALLAIN, PATRICK & PAULA M as the owner of record.
- What is the county just value of 1721 21st St SW?
- $393,937 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-21-45964000004 (Collier County).
Current owner
- ALLAIN, PATRICK & PAULA M
Owner contact info
Phones, emails and mailing addresses from public Florida records are available to members.
See plansMore on 21st St SW
- 1460 21st St SW $302K · built 1984
- 1461 21st St SW $351K · built 1993
- 1471 21st St SW $534K · built 2015
- 1485 21st St SW $506K · built 1981
- 1490 21st St SW $207K
- 1520 21st St SW $386K · built 1992
- 1525 21st St SW $956K · built 2019
- 1641 21st St SW $457K · built 1992
- 1681 21st St SW $491K · built 1993
- 1720 21st St SW $1M · built 2023
- 1741 21st St SW $490K · built 2001
- 1744 21st St SW $1M · built 2023
- 1759 21st St SW $489K · built 2022
- 1760 21st St SW $204K · built 1984
- 1764 21st St SW $257K · built 1983
- 1765 21st St SW $551K · built 2022
- 1766 21st St SW $345K · built 1990
- 1770 21st St SW $225K · built 1984
- 1781 21st St SW $907K · built 1998
- 1810 21st St SW $440K · built 1989
All 203 properties on 21st St SW · ZIP 34117 (Naples). Values are county just values (tax roll), not market values.
Nearby properties
- 1681 21st St SW, Naples $491K · built 1993
- 1811 21st St SW, Naples $569K · built 1994
- 1760 21st St SW, Naples $204K · built 1984
- 2131 16th Ave SW, Naples $301K · built 1996
- 2175 16th Ave SW, Naples $304K · built 1997
- 2181 16th Ave SW, Naples $388K · built 1989
- 1830 21st St SW, Naples $269K · built 1991
- 2211 16th Ave SW, Naples $317K · built 1986
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Source: Florida Department of Revenue parcel roll; data refreshed Jun 24, 2026. Values are county tax-roll figures, not appraisals. How to read these values · Data sources