6311 21st Avenue N, St Petersburg, FL 33710
Single family property built in 1953 with 1,741 sq ft of living area on a 0.17-acre lot in St Petersburg, Pinellas County. Facts below come from the county property appraiser's public record.
County just value (tax roll) — not a market value
$333,281
County assessed value (tax roll)
$188,429
Living area
1,741 sq ft
Lot size
0.17 acres (7,505 sq ft)
Year built
1953
Land use
Single family
FEMA flood zone
Not on file yet
County
Pinellas County, FL
Parcel ID
fl-62-16 31 17 30168 004 0110
At a glance
- Who owns 6311 21st Ave N?
- Pinellas County property records list MARTZEN, ROBERT M as the owner of record.
- What is the county just value of 6311 21st Ave N?
- $333,281 on the Pinellas 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-62-16 31 17 30168 004 0110 (Pinellas County).
Current owner
- MARTZEN, ROBERT M
Owner contact info
Phones, emails and mailing addresses from public Florida records are available to members.
See plansMore on 21st Ave N
- 6243 21st Ave N $255K · built 1955
- 6250 21st Ave N $236K · built 1954
- 6251 21st Ave N $245K · built 1954
- 6258 21st Ave N $247K · built 1954
- 6259 21st Ave N $270K · built 1954
- 6266 21st Ave N $223K · built 1953
- 6267 21st Ave N $249K · built 1953
- 6300 21st Ave N $254K · built 1953
- 6301 21st Ave N $364K · built 1953
- 6310 21st Ave N $327K · built 1953
- 6318 21st Ave N $363K · built 1953
- 6319 21st Ave N $393K · built 1953
- 6326 21st Ave N $240K · built 1953
- 6327 21st Ave N $341K · built 1953
- 6334 21st Ave N $290K · built 1953
- 6335 21st Ave N $242K · built 1953
- 6342 21st Ave N $374K · built 1953
- 6343 21st Ave N $436K · built 1953
- 6350 21st Ave N $371K · built 1953
- 6351 21st Ave N $419K · built 1953
All 155 properties on 21st Ave N · ZIP 33710 (St Petersburg). Values are county just values (tax roll), not market values.
Nearby properties
- 6301 21st Ave N, St Petersburg $364K · built 1953
- 6319 21st Ave N, St Petersburg $393K · built 1953
- 6310 22nd Ave N, St Petersburg $235K · built 1953
- 6318 22nd Ave N, St Petersburg $240K · built 1953
- 6300 22nd Ave N, St Petersburg $208K · built 1953
- 6310 21st Ave N, St Petersburg $327K · built 1953
- 6267 21st Ave N, St Petersburg $249K · built 1953
- 6327 21st Ave N, St Petersburg $341K · built 1953
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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