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5138 Neptune Circle, Oxford, FL 34484

Single family property built in 2010 with 1,848 sq ft of living area on a 0.14-acre lot in Oxford, Sumter County. Facts below come from the county property appraiser's public record.

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County just value (tax roll) — not a market value
$222,030
County assessed value (tax roll)
$142,370
Living area
1,848 sq ft
Lot size
0.14 acres (6,298 sq ft)
Year built
2010
Land use
Single family
FEMA flood zone
Not on file yet
County
Sumter County, FL
Parcel ID
fl-70-D21Y014

At a glance

Who owns 5138 Neptune Cir?
Sumter County property records list CASTELLI MICHAEL & PATRICIA S as the owner of record.
What is the county just value of 5138 Neptune Cir?
$222,030 on the Sumter 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-70-D21Y014 (Sumter County).

Current owner

Owner contact info

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

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More on Neptune Cir

All 41 properties on Neptune Cir · ZIP 34484 (Oxford). Values are county just values (tax roll), not market values.

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Source: Florida Department of Revenue parcel roll; data refreshed Jun 30, 2026. Values are county tax-roll figures, not appraisals. How to read these values · Data sources