520 3RD Street, Key Colony Beach, FL 33051
Single family property built in 1985 with 3,111 sq ft of living area on a 0.24-acre lot in Key Colony Beach, Monroe County. Facts below come from the county property appraiser's public record.
County just value (tax roll) — not a market value
$1,773,245
County assessed value (tax roll)
$1,773,245
Living area
3,111 sq ft
Lot size
0.24 acres (10,347 sq ft)
Year built
1985
Land use
Single family
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-0466 33 00072480000000
At a glance
- Who owns 520 3RD St?
- Monroe County property records list 520/530 3RD STREET LLC as the owner of record.
- What is the county just value of 520 3RD St?
- $1,773,245 on the Monroe 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-54-0466 33 00072480000000 (Monroe County).
Current owner
- 520/530 3RD STREET LLC
Owner contact info
Phones, emails and mailing addresses from public Florida records are available to members.
See plansMore on 3rd St
- 430 3rd St $602K · built 2019
- 441 3rd St $727K · built 1998
- 451 3rd St $715K · built 1998
- 461 3rd St $693K · built 1997
- 471 3rd St $693K · built 1997
- 481 3rd St $860K · built 1988
- 491 3rd St $863K · built 1988
- 500 3rd St $1.8M · built 2020
- 501 3rd St $962K · built 1989
- 511 3rd St $939K · built 1989
- 530 3rd St $1.8M · built 1985
- 531 3rd St $3.1M · built 1993
All 55 properties on 3rd St · ZIP 33051 (Key Colony Beach). 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