203 William Avenue, Altamonte Springs, FL 32701

Single family property built in 1971 with 1,483 sq ft of living area on a 0.67-acre lot in Altamonte Springs, Seminole 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

$308,046

County assessed value (tax roll)

$239,967

Living area

1,483 sq ft

Lot size

0.67 acres (29,009 sq ft)

Year built

1971

Land use

Single family

FEMA flood zone

Not on file yet

County

Seminole County, FL

Parcel ID

fl-69-1321295070B000010

At a glance

Who owns 203 William Ave?: Seminole County property records list SINCO, AMANDA as the owner of record.
What is the county just value of 203 William Ave?: $308,046 on the Seminole 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-69-1321295070B000010 (Seminole County).

Current owner

SINCO, AMANDA

Owner contact info

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

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Nearby properties

804 Agnes Dr, Altamonte Springs $246K · built 1959
802 Agnes Dr, Altamonte Springs $315K · built 1971
808 Agnes Dr, Altamonte Springs $240K · built 1959
812 Agnes Dr, Altamonte Springs $243K · built 1959
201 William Ave, Altamonte Springs $338K · built 1971
810 Lake Dr, Altamonte Springs $340K · built 1971
814 Agnes Dr, Altamonte Springs $281K · built 1959
816 Agnes Dr, Altamonte Springs $292K · built 1971

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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