3821 31st Avenue SW, Naples, FL 34117
Single family property built in 2001 with 2,943 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
$774,933
County assessed value (tax roll)
$499,946
Living area
2,943 sq ft
Lot size
2.73 acres (118,919 sq ft)
Year built
2001
Land use
Single family
FEMA flood zone
Not on file yet
County
Collier County, FL
Parcel ID
fl-21-38051840003
At a glance
- Who owns 3821 31st Ave SW?
- Collier County property records list DECASTRO, ROBERT as the owner of record.
- What is the county just value of 3821 31st Ave SW?
- $774,933 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-21-38051840003 (Collier County).
Current owner
- DECASTRO, ROBERT
Owner contact info
Phones, emails and mailing addresses from public Florida records are available to members.
See plansMore on 31st Ave SW
- 3720 31st Ave SW $642K · built 1975
- 3725 31st Ave SW $1.6M · built 2012
- 3741 31st Ave SW $845K · built 2001
- 3760 31st Ave SW $755K · built 1986
- 3761 31st Ave SW $532K · built 2003
- 3771 31st Ave SW $270K · built 1983
- 3780 31st Ave SW $732K · built 1990
- 3781 31st Ave SW $337K · built 1992
- 3791 31st Ave SW $430K · built 1998
- 3810 31st Ave SW $1.1M · built 1998
- 3831 31st Ave SW $289K · built 1984
- 3840 31st Ave SW $513K · built 1980
- 3841 31st Ave SW $308K · built 1985
- 3855 31st Ave SW $233K · built 1981
- 3875 31st Ave SW $549K · built 1977
- 3881 31st Ave SW $571K · built 2001
- 3895 31st Ave SW $567K · built 1977
All 55 properties on 31st Ave SW · ZIP 34117 (Naples). Values are county just values (tax roll), not market values.
Nearby properties
- 3841 31st Ave SW, Naples $308K · built 1985
- 3855 31st Ave SW, Naples $233K · built 1981
- 3780 29th Ave SW, Naples $1.5M · built 2006
- 3850 29th Ave SW, Naples $267K · built 1979
- 3175 Safe Harbor Dr, Naples $158K
- 3175 Safe Harbor Dr, Naples $158K
- 3840 29th Ave SW, Naples $341K · built 1990
- 3890 29th Ave SW, Naples $299K · built 1984
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Source: Florida Department of Revenue parcel roll; data refreshed Jun 25, 2026. Values are county tax-roll figures, not appraisals. How to read these values · Data sources