521 Neptune Avenue, Longboat Key, FL 34228

Vacant residential property on a 0.31-acre lot in Longboat Key, Sarasota 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

$548,300

County assessed value (tax roll)

$548,300

Lot size

0.31 acres (13,680 sq ft)

Land use

Vacant residential

FEMA flood zone

Not on file yet

County

Sarasota County, FL

Parcel ID

fl-68-0005160027

At a glance

Who owns 521 Neptune Ave?: Sarasota County property records list JDU REVOCABLE LIVING FAMILY TR as the owner of record.
What is the county just value of 521 Neptune Ave?: $548,300 on the Sarasota 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-68-0005160027 (Sarasota County).

Current owner

JDU REVOCABLE LIVING FAMILY TR

Owner contact info

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

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Nearby properties

2922 Gulf of Mexico Dr, Longboat Key $545K · built 1954
2912 Gulf of Mexico Dr, Longboat Key $752K · built 1957
2929 Pyrula Dr, Longboat Key $475K
2932 Gulf of Mexico Dr 2932, Longboat Key $519K · built 1984
Gulf of Mexico Dr, Longboat Key
2930 Gulf of Mexico Dr 2930, Longboat Key $520K · built 1984
2936 Gulf of Mexico Dr 2936, Longboat Key $514K · built 1984
540 Neptune Ave 5, Longboat Key $402K · built 1972

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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