Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$335,536$426 / 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 83How 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

6403 N RIVER BLVD

TAMPA, FL 33604
1
Beds
1
Baths
788 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.
1,790 ft²
Lot SizeThe size of the land the home sits on, from county records.
1925
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$336K
$277K low$394K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,032 (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.$142,438 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$39,918
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$102,520
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$153,233
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$142,438

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.64
100
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
27
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.100 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.99%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

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
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.1975
Lot (acres)The size of the land the home sits on, from county records.0.04
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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 · 112 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 · 0.7 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%

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

6403 N River Blvd 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 less than 68% of homes in Old Seminole Heights
  • Among the highest price per square foot in Tampa 33604
  • Smaller than 97% of homes in Hillsborough County
  • Among the smallest lots in Old Seminole Heights
  • Older than 98% 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
$115K$711K

This home is worth more than 51% 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$335,536
CheaperTypical $334,108Pricier

Pricier than 51% of homes nearby

Price per ft²$426
CheaperTypical $265Pricier

Pricier than almost all homes nearby

Living area788 ft²
SmallerTypical 1,274 ft²Bigger

Bigger than 6% of homes nearby

Lot size1,790 ft²
SmallerTypical 0.16 acBigger

Bigger than 3% of homes nearby

Year built1925
OlderTypical 1956Newer

Newer than 9% of homes nearby

How 6403 N River Blvd ranks against every home in each area.
MeasureThis homeOld Seminole HeightsTampa 33604Hillsborough County
Estimated valuepricier than$335,53632% of homes51% of homes40% of homes
Price per ft²pricier than$42698% of homesalmost all homes96% of homes
Living areabigger than788 ft²4% of homes6% of homes3% of homes
Lot sizebigger than1,790 ft²almost no homes3% of homes12% of homes
Year builtnewer than192518% of homes9% of homes2% of homes

About 6403 N River Blvd

How much is 6403 N River Blvd, Tampa, FL worth?

The TopHap Estimate for 6403 N River Blvd, Tampa, FL is $335,536 as of Sep 24, 2026. The likely range is $277,245 to $393,827. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6403 N River Blvd, Tampa, FL last sell?

6403 N River Blvd, Tampa, FL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 6403 N River Blvd, Tampa, FL?

6403 N River Blvd, Tampa, FL has 1 bedrooms, 1 bathrooms, 788 square feet of living space and a 0.04-acre lot.

When was 6403 N River Blvd, Tampa, FL built?

6403 N River Blvd, Tampa, FL was built in 1925, making it 101 years old. The building has 2 stories.

What schools serve 6403 N River Blvd, Tampa, FL?

6403 N River Blvd, 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 6403 N River Blvd, Tampa, FL compare to other homes in Tampa 33604?

Among the 12,865 homes in Tampa 33604, it is worth more than 51% of them ($335,536 against a typical $334,108), its price per square foot is higher than almost all of them ($426 against a typical $265), it is bigger than 6% of them (788 ft² against a typical 1,274 ft²), its lot is bigger than 3% of them (1,790 ft² against a typical 0.16 ac) and it is newer than 9% of them (1925 against a typical 1956). Measured against all of Hillsborough County, it is worth more than 40% 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 6403 N River Blvd, Tampa, FL?

The 2025 property tax bill for 6403 N River Blvd, Tampa, FL was $3,032. The county assessed it at $142,438.

More homes on N River Blvd

Closest homes

More homes in Tampa 33604

Assigned schools

Explore the area

See this home in context

Open 6403 N River Blvd 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