551 Diplomat Court, Marco Island, FL 34145
Single family property built in 1998 with 2,477 sq ft of living area on a 0.27-acre lot in Marco Island, Collier County. Facts below come from the county property appraiser's public record.
County just value (tax roll) — not a market value
$858,431
County assessed value (tax roll)
$858,431
Living area
2,477 sq ft
Lot size
0.27 acres (11,943 sq ft)
Year built
1998
Land use
Single family
FEMA flood zone
Not on file yet
County
Collier County, FL
Parcel ID
fl-21-58770120000
At a glance
- Who owns 551 Diplomat Ct?
- Collier County property records list OAKLEY, MATTHEW C as the owner of record.
- What is the county just value of 551 Diplomat Ct?
- $858,431 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-21-58770120000 (Collier County).
Current owner
- OAKLEY, MATTHEW C
Owner contact info
Phones, emails and mailing addresses from public Florida records are available to members.
See plansMore on Diplomat Ct
- 561 Diplomat Ct $895K · built 2001
- 566 Diplomat Ct $1.9M · built 2014
- 571 Diplomat Ct $804K · built 2002
- 576 Diplomat Ct $1.4M · built 1998
- 581 Diplomat Ct $832K · built 1998
- 586 Diplomat Ct $1.5M · built 2004
- 590 Diplomat Ct $1.4M · built 2000
- 600 Diplomat Ct $1.2M · built 1989
- 601 Diplomat Ct $343K
- 610 Diplomat Ct $1M · built 1979
All 21 properties on Diplomat Ct · ZIP 34145 (Marco Island). Values are county just values (tax roll), not market values.
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Source: Florida Department of Revenue parcel roll; data refreshed Jun 23, 2026. Values are county tax-roll figures, not appraisals. How to read these values · Data sources