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Single Family ResidenceResidential
$340,145$467 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $167,500 on Aug 8, 2017

3121 21ST ST N

SAINT PETERSBURG, FL 33713
2
Beds
1
Baths
728 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1949
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$340K
$317K low$363K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$167,500 · Aug 8, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,713 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$358,271 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$176,883
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$181,388
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$331,172
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$358,271

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Custom Design
CountyPINELLAS
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1998
Lot (acres)The size of the land the home sits on, from county records.0.14
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 80 ft²Patio · 80 ft²Porch · 277 ft²

Transaction History(2)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
John M. Sexton ElementaryB-
Elementary · Grades PK–5 · 1.5 mi
H
St. Petersburg High SchoolB-
High · Grades 9–12 · 1.6 mi
M
Meadowlawn Middle SchoolD+
Middle · Grades 6–8 · 1.9 mi

District: Pinellas County School District

Neighborhood · ZIP 33713These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.98
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.19

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.31,254
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,671 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$72,390
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$89,404
Average tempThe average temperature here across a full year.73°F
Annual precipHow much rain and melted snow falls here in a typical year.50 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.66%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

3121 21st St N measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth more than 71% of homes in Oakwood Gardens
  • Among the highest price per square foot in Oakwood Gardens
  • Smaller than 94% of homes in Saint Petersburg 33713
  • Has a smaller lot than 80% of homes in Pinellas County
  • Older than 94% of homes in Pinellas County

What homes are worth in Saint Petersburg 33713

Each bar is how many homes fall in that price range. The marker is this home.

This home
$132K$817K

This home is worth more than 49% of homes in Saint Petersburg 33713.

How it measures up in Saint Petersburg 33713

The dot is this home. The mark in the middle is the typical home in Saint Petersburg 33713.

Estimated value$340,145
CheaperTypical $343,926Pricier

Pricier than 49% of homes nearby

Price per ft²$467
CheaperTypical $299Pricier

Pricier than 95% of homes nearby

Living area728 ft²
SmallerTypical 1,156 ft²Bigger

Bigger than 6% of homes nearby

Lot size0.14 ac
SmallerTypical 0.15 acBigger

Bigger than 36% of homes nearby

Year built1949
OlderTypical 1954Newer

Newer than 32% of homes nearby

How 3121 21st St N ranks against every home in each area.
MeasureThis homeOakwood GardensSaint Petersburg 33713Pinellas County
Estimated valuepricier than$340,14571% of homes49% of homes47% of homes
Price per ft²pricier than$467almost all homes95% of homes90% of homes
Living areabigger than728 ft²11% of homes6% of homes6% of homes
Lot sizebigger than0.14 ac57% of homes36% of homes20% of homes
Year builtnewer than194937% of homes32% of homes6% of homes

About 3121 21st St N

How much is 3121 21st St N, Saint Petersburg, FL worth?

The TopHap Estimate for 3121 21st St N, Saint Petersburg, FL is $340,145 as of Oct 21, 2026. The likely range is $317,475 to $362,815. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3121 21st St N, Saint Petersburg, FL last sell?

3121 21st St N, Saint Petersburg, FL last sold on Aug 8, 2017 for $167,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3121 21st St N, Saint Petersburg, FL?

3121 21st St N, Saint Petersburg, FL has 2 bedrooms, 1 bathrooms, 728 square feet of living space and a 0.14-acre lot.

When was 3121 21st St N, Saint Petersburg, FL built?

3121 21st St N, Saint Petersburg, FL was built in 1949, making it 77 years old. It is a custom design home. The building has 1 story.

What schools serve 3121 21st St N, Saint Petersburg, FL?

3121 21st St N, Saint Petersburg, FL is assigned to John M. Sexton Elementary (elementary), rated B-; St. Petersburg High School (high), rated B-; Meadowlawn Middle School (middle), rated D+. All sit in Pinellas County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3121 21st St N, Saint Petersburg, FL compare to other homes in Saint Petersburg 33713?

Among the 12,279 homes in Saint Petersburg 33713, it is worth more than 49% of them ($340,145 against a typical $343,926), its price per square foot is higher than 95% of them ($467 against a typical $299), it is bigger than 6% of them (728 ft² against a typical 1,156 ft²), its lot is bigger than 36% of them (0.14 ac against a typical 0.15 ac) and it is newer than 32% of them (1949 against a typical 1954). Measured against all of Pinellas County, it is worth more than 47% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 3121 21st St N, Saint Petersburg, FL?

The 2025 property tax bill for 3121 21st St N, Saint Petersburg, FL was $6,713. The county assessed it at $358,271.

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