Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$384,570$419 / 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 78How 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 $390,000 on May 4, 2026

509 11TH ST NW

LARGO, FL 33770
3
Beds
2
Baths
918 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$385K
$300K low$469K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$390,000 · May 4, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,503 (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.$194,585 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$136,489
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$58,096
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$190,421
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$194,585

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
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.1970
Lot (acres)The size of the land the home sits on, from county records.0.17
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.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 180 ft²

Transaction History(4)

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
Mildred Helms ElementaryB
Elementary · Grades PK–5 · 0.7 mi
H
Largo High SchoolB-
High · Grades 9–12 · 0.8 mi
M
Largo Middle SchoolC-
Middle · Grades 6–8 · 1.3 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%

Owner Tools

Do you own this home?
Claim this home

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

509 11th St Nw 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 73% of homes in Whispering Pines
  • Costs more per square foot than 98% of homes in Whispering Pines
  • Smaller than 84% of homes in Pinellas County
  • Has a smaller lot than 72% of homes in Largo 33770
  • Older than 87% of homes in Largo 33770

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
$118K$1.8M

This home is worth more than 57% 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$384,570
CheaperTypical $356,648Pricier

Pricier than 57% of homes nearby

Price per ft²$419
CheaperTypical $266Pricier

Pricier than 93% of homes nearby

Living area918 ft²
SmallerTypical 1,342 ft²Bigger

Bigger than 18% of homes nearby

Lot size0.17 ac
SmallerTypical 0.2 acBigger

Bigger than 28% of homes nearby

Year built1955
OlderTypical 1966Newer

Newer than 13% of homes nearby

How 509 11th St Nw ranks against every home in each area.
MeasureThis homeWhispering PinesLargo 33770Pinellas County
Estimated valuepricier than$384,57073% of homes57% of homes56% of homes
Price per ft²pricier than$41998% of homes93% of homes88% of homes
Living areabigger than918 ft²23% of homes18% of homes16% of homes
Lot sizebigger than0.17 ac32% of homes28% of homes33% of homes
Year builtnewer than195531% of homes13% of homes14% of homes

About 509 11th St Nw

How much is 509 11th St Nw, Largo, FL worth?

The TopHap Estimate for 509 11th St Nw, Largo, FL is $384,570 as of Sep 24, 2026. The likely range is $299,956 to $469,184. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 11th St Nw, Largo, FL last sell?

509 11th St Nw, Largo, FL last sold on May 4, 2026 for $390,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 509 11th St Nw, Largo, FL?

509 11th St Nw, Largo, FL has 3 bedrooms, 2 bathrooms, 918 square feet of living space and a 0.17-acre lot.

When was 509 11th St Nw, Largo, FL built?

509 11th St Nw, Largo, FL was built in 1955, making it 71 years old. The building has 1 story.

What schools serve 509 11th St Nw, Largo, FL?

509 11th St Nw, 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 509 11th St Nw, Largo, FL compare to other homes in Largo 33770?

Among the 8,968 homes in Largo 33770, it is worth more than 57% of them ($384,570 against a typical $356,648), its price per square foot is higher than 93% of them ($419 against a typical $266), it is bigger than 18% of them (918 ft² against a typical 1,342 ft²), its lot is bigger than 28% of them (0.17 ac against a typical 0.2 ac) and it is newer than 13% of them (1955 against a typical 1966). Measured against all of Pinellas County, it is worth more than 56% 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 509 11th St Nw, Largo, FL?

The 2025 property tax bill for 509 11th St Nw, Largo, FL was $3,503. The county assessed it at $194,585.

More homes on 11th St Nw

Closest homes

More homes in Largo 33770

Assigned schools

Explore the area

See this home in context

Open 509 11th St Nw on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map