139 Neptune Road, Saint Augustine, FL 32086

Single family property built in 1964 with 2,551 sq ft of living area on a 0.73-acre lot in Saint Augustine, St. Johns 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

$985,793

County assessed value (tax roll)

$296,998

Living area

2,551 sq ft

Lot size

0.73 acres (31,799 sq ft)

Year built

1964

Land use

Single family

FEMA flood zone

Not on file yet

County

St. Johns County, FL

Parcel ID

fl-65-2392800000

At a glance

Who owns 139 Neptune Rd?: St. Johns County property records list MONAHAN CLARK V,BONNIE K as the owner of record.
What is the county just value of 139 Neptune Rd?: $985,793 on the St. Johns 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-65-2392800000 (St. Johns County).

Current owner

MONAHAN CLARK V,BONNIE K

Owner contact info

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

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Nearby properties

136 Jupiter Rd, Saint Augustine $286K · built 1958
133 Neptune Rd, Saint Augustine $321K · built 1980
135 Jupiter Rd, Saint Augustine $229K · built 1959
141 Jupiter Rd, Saint Augustine $894K · built 1995
133 Jupiter Rd, Saint Augustine $374K · built 1992
128 Jupiter Rd, Saint Augustine $243K · built 1990
127 Neptune Rd, Saint Augustine $232K · built 1980
3102 Shore Dr, Saint Augustine $543K · built 1999

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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