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Single Family ResidenceResidential
$357,720$248 / 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 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $139,900 on Sep 15, 2009

543 20TH ST SW

LARGO, FL 33770
1.5
Baths
1,442 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1959
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

$358K
$321K low$395K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$139,900 · Sep 15, 2009

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,201 (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.$105,451 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$102,479
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$322,695

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.1983
Lot (acres)The size of the land the home sits on, from county records.0.19
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.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 310 ft²

Transaction History(3)

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

Foreclosure Filings(1)

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

E
Mildred Helms ElementaryB+
Elementary · Grades PK–5 · 0.7 mi
H
Largo High SchoolB-
High · Grades 9–12 · 1.5 mi
M
Largo Middle SchoolC
Middle · Grades 6–8 · 1.5 mi

District: Pinellas County School District

Neighborhood · ZIP 33770These 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.121
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.71
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.16

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.87%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.25,277
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,387 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$59,401
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$74,822
Average tempThe average temperature here across a full year.73°F
Annual precipHow much rain and melted snow falls here in a typical year.51 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

543 20th St Sw 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.

  • Older than 76% of homes in Pinellas County

What homes are worth in Largo 33770

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

This home
$119K$1.9M

This home is worth more than 50% of homes in Largo 33770.

How it measures up in Largo 33770

The dot is this home. The mark in the middle is the typical home in Largo 33770.

Estimated value$357,720
CheaperTypical $356,293Pricier

Pricier than 50% of homes nearby

Price per ft²$248
CheaperTypical $265Pricier

Pricier than 38% of homes nearby

Living area1,442 ft²
SmallerTypical 1,336 ft²Bigger

Bigger than 58% of homes nearby

Lot size0.19 ac
SmallerTypical 0.2 acBigger

Bigger than 47% of homes nearby

Year built1959
OlderTypical 1966Newer

Newer than 31% of homes nearby

How 543 20th St Sw ranks against every home in each area.
MeasureThis homeLargo Medical CenterLargo 33770Pinellas County
Estimated valuepricier than$357,72064% of homes50% of homes50% of homes
Price per ft²pricier than$24859% of homes38% of homes45% of homes
Living areabigger than1,442 ft²62% of homes58% of homes58% of homes
Lot sizebigger than0.19 ac48% of homes47% of homes47% of homes
Year builtnewer than195929% of homes31% of homes24% of homes

About 543 20th St Sw

How much is 543 20th St Sw, Largo, FL worth?

The TopHap Estimate for 543 20th St Sw, Largo, FL is $357,720 as of Sep 24, 2026. The likely range is $320,935 to $394,505. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 543 20th St Sw, Largo, FL last sell?

543 20th St Sw, Largo, FL last sold on Sep 15, 2009 for $139,900, according to the county's recorded deed.

How big is 543 20th St Sw, Largo, FL?

543 20th St Sw, Largo, FL has 1.5 bathrooms, 1,442 square feet of living space and a 0.19-acre lot.

When was 543 20th St Sw, Largo, FL built?

543 20th St Sw, Largo, FL was built in 1959, making it 67 years old. It is a custom design home. The building has 1 story.

What schools serve 543 20th St Sw, Largo, FL?

543 20th St Sw, Largo, FL is assigned to Mildred Helms Elementary (elementary), rated B+; Largo High School (high), rated B-; Largo Middle School (middle), rated C. All sit in Pinellas County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 543 20th St Sw, Largo, FL compare to other homes in Largo 33770?

Among the 8,959 homes in Largo 33770, it is worth more than 50% of them ($357,720 against a typical $356,293), its price per square foot is higher than 38% of them ($248 against a typical $265), it is bigger than 58% of them (1,442 ft² against a typical 1,336 ft²), its lot is bigger than 47% of them (0.19 ac against a typical 0.2 ac) and it is newer than 31% of them (1959 against a typical 1966). Measured against all of Pinellas County, it is worth more than 50% 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 543 20th St Sw, Largo, FL?

The 2025 property tax bill for 543 20th St Sw, Largo, FL was $1,201. The county assessed it at $105,451.

More homes on 20th St Sw

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