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Single Family ResidenceResidential
$506,920$281 / 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 $499,000 on Oct 11, 2021

109 W KNOLLWOOD ST

TAMPA, FL 33604
4
Beds
2
Baths
1,804 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.
0.21 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

$507K
$471K low$543K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$499,000 · Oct 11, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,698 (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.$381,456 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$371,427
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$385,654

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.46
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
98
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
65
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
31
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

Scores 0–100; higher = greater projected risk.

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.Mansion
CountyHILLSBOROUGH
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.2005
Lot (acres)The size of the land the home sits on, from county records.0.21
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
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.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 80 ft²Porch · 228 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.

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

E
Seminole Heights Grammar SchoolC+
Elementary · Grades PK–5 · 0.5 mi
H
Hillsborough High SchoolC
High · Grades 9–12 · 1.2 mi
M
Memorial Middle SchoolD-
Middle · Grades 6–8 · 1.4 mi

District: Hillsborough County School District

Neighborhood · ZIP 33604These 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.136
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.162
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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.20%
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.41,923
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,401 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$56,438
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$76,228
Average tempThe average temperature here across a full year.72°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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

109 W Knollwood St 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 91% of homes in Tampa 33604
  • Costs more per square foot than 82% of homes in Hillsborough County
  • Bigger than 87% of homes in Tampa 33604
  • Has a bigger lot than 76% of homes in Old Seminole Heights
  • Older than 88% of homes in Hillsborough County

What homes are worth in Tampa 33604

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

This home
$123K$712K

This home is worth more than 91% of homes in Tampa 33604.

How it measures up in Tampa 33604

The dot is this home. The mark in the middle is the typical home in Tampa 33604.

Estimated value$506,920
CheaperTypical $308,042Pricier

Pricier than 91% of homes nearby

Price per ft²$281
CheaperTypical $242Pricier

Pricier than 71% of homes nearby

Living area1,804 ft²
SmallerTypical 1,274 ft²Bigger

Bigger than 87% of homes nearby

Lot size0.21 ac
SmallerTypical 0.16 acBigger

Bigger than 76% of homes nearby

Year built1959
OlderTypical 1956Newer

Newer than 57% of homes nearby

How 109 W Knollwood St ranks against every home in each area.
MeasureThis homeOld Seminole HeightsTampa 33604Hillsborough County
Estimated valuepricier than$506,92083% of homes91% of homes76% of homes
Price per ft²pricier than$28155% of homes71% of homes82% of homes
Living areabigger than1,804 ft²82% of homes87% of homes55% of homes
Lot sizebigger than0.21 ac76% of homes76% of homes63% of homes
Year builtnewer than195973% of homes57% of homes12% of homes

About 109 W Knollwood St

How much is 109 W Knollwood St, Tampa, FL worth?

The TopHap Estimate for 109 W Knollwood St, Tampa, FL is $506,920 as of Oct 21, 2026. The likely range is $470,664 to $543,176. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 109 W Knollwood St, Tampa, FL last sell?

109 W Knollwood St, Tampa, FL last sold on Oct 11, 2021 for $499,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 109 W Knollwood St, Tampa, FL?

109 W Knollwood St, Tampa, FL has 4 bedrooms, 2 bathrooms, 1,804 square feet of living space and a 0.21-acre lot.

When was 109 W Knollwood St, Tampa, FL built?

109 W Knollwood St, Tampa, FL was built in 1959, making it 67 years old. It is a mansion home. The building has 1 story.

What schools serve 109 W Knollwood St, Tampa, FL?

109 W Knollwood St, Tampa, FL is assigned to Seminole Heights Grammar School (elementary), rated C+; Hillsborough High School (high), rated C; Memorial Middle School (middle), rated D-. All sit in Hillsborough County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 109 W Knollwood St, Tampa, FL compare to other homes in Tampa 33604?

Among the 12,865 homes in Tampa 33604, it is worth more than 91% of them ($506,920 against a typical $308,042), its price per square foot is higher than 71% of them ($281 against a typical $242), it is bigger than 87% of them (1,804 ft² against a typical 1,274 ft²), its lot is bigger than 76% of them (0.21 ac against a typical 0.16 ac) and it is newer than 57% of them (1959 against a typical 1956). Measured against all of Hillsborough County, it is worth more than 76% 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 109 W Knollwood St, Tampa, FL?

The 2025 property tax bill for 109 W Knollwood St, Tampa, FL was $6,698. The county assessed it at $381,456.

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