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4890 NW 21 Avenue, Unincorporated County, FL 33142

Single family property built in 2004 with 1,121 sq ft of living area on a 0.12-acre lot in Unincorporated County, Miami-Dade 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
$354,821
County assessed value (tax roll)
$64,495
Living area
1,121 sq ft
Lot size
0.12 acres (5,349 sq ft)
Year built
2004
Land use
Single family
FEMA flood zone
Not on file yet
County
Miami-Dade County, FL
Parcel ID
fl-23-3031220260310

At a glance

Who owns 4890 NW 21 Ave?
Miami-Dade County property records list MELISSA MILLER as the owner of record.
What is the county just value of 4890 NW 21 Ave?
$354,821 on the Miami-Dade 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-23-3031220260310 (Miami-Dade County).

Current owner

Owner contact info

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

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More on NW 21 Ave

All 101 properties on NW 21 Ave · ZIP 33142 (Miami). Values are county just values (tax roll), not market values.

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Source: Florida Department of Revenue parcel roll; data refreshed Jun 25, 2026. Values are county tax-roll figures, not appraisals. How to read these values · Data sources