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Single Family ResidenceResidential
$257,161$157 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $11,300 on Mar 28, 1995

8478 ROCK KNOLL DR

JACKSONVILLE, FL 32221
3
Beds
2
Baths
1,636 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1975
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$257K
$244K low$270K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$11,300 · Mar 28, 1995

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,718 (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.$119,897 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$116,745
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$229,622

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyDUVAL
Lot (acres)The size of the land the home sits on, from county records.0.25
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.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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 · 472 ft²

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

E
Crystal Springs Elementary SchoolD
Elementary · Grades PK–5 · 0.5 mi
H
Edward H. White High SchoolD
High · Grades 9–12 · 1.6 mi
M
Chaffee Trail Middle SchoolD-
Middle · Grades 6–8 · 5.5 mi

District: Duval County School District

Neighborhood · ZIP 32221These 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.52
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.27

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.8%
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.34,480
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.676 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,473
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$97,093
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.53 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.63%

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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

8478 Rock Knoll Dr 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 67% of homes in Jacksonville 32221
  • Has a bigger lot than 66% of homes in Duval County
  • Older than 90% of homes in Normandy Estates

What homes are worth in Jacksonville 32221

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

This home
$142K$480K

This home is worth more than 33% of homes in Jacksonville 32221.

How it measures up in Jacksonville 32221

The dot is this home. The mark in the middle is the typical home in Jacksonville 32221.

Estimated value$257,161
CheaperTypical $289,787Pricier

Pricier than 33% of homes nearby

Price per ft²$157
CheaperTypical $157Pricier

Pricier than 51% of homes nearby

Living area1,636 ft²
SmallerTypical 1,822 ft²Bigger

Bigger than 36% of homes nearby

Lot size0.25 ac
SmallerTypical 0.24 acBigger

Bigger than 53% of homes nearby

Year built1975
OlderTypical 2002Newer

Newer than 17% of homes nearby

How 8478 Rock Knoll Dr ranks against every home in each area.
MeasureThis homeNormandy EstatesJacksonville 32221Duval County
Estimated valuepricier than$257,16137% of homes33% of homes42% of homes
Price per ft²pricier than$15755% of homes51% of homes38% of homes
Living areabigger than1,636 ft²42% of homes36% of homes52% of homes
Lot sizebigger than0.25 ac64% of homes53% of homes66% of homes
Year builtnewer than197510% of homes17% of homes36% of homes

About 8478 Rock Knoll Dr

How much is 8478 Rock Knoll Dr, Jacksonville, FL worth?

The TopHap Estimate for 8478 Rock Knoll Dr, Jacksonville, FL is $257,161 as of Aug 30, 2026. The likely range is $243,835 to $270,487. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8478 Rock Knoll Dr, Jacksonville, FL last sell?

8478 Rock Knoll Dr, Jacksonville, FL last sold on Mar 28, 1995 for $11,300, according to the county's recorded deed.

How big is 8478 Rock Knoll Dr, Jacksonville, FL?

8478 Rock Knoll Dr, Jacksonville, FL has 3 bedrooms, 2 bathrooms, 1,636 square feet of living space and a 0.25-acre lot.

When was 8478 Rock Knoll Dr, Jacksonville, FL built?

8478 Rock Knoll Dr, Jacksonville, FL was built in 1975, making it 51 years old. The building has 2 stories.

What schools serve 8478 Rock Knoll Dr, Jacksonville, FL?

8478 Rock Knoll Dr, Jacksonville, FL is assigned to Crystal Springs Elementary School (elementary), rated D; Edward H. White High School (high), rated D; Chaffee Trail Middle School (middle), rated D-. All sit in Duval County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8478 Rock Knoll Dr, Jacksonville, FL compare to other homes in Jacksonville 32221?

Among the 11,196 homes in Jacksonville 32221, it is worth more than 33% of them ($257,161 against a typical $289,787), its price per square foot is higher than 51% of them ($157 against a typical $157), it is bigger than 36% of them (1,636 ft² against a typical 1,822 ft²), its lot is bigger than 53% of them (0.25 ac against a typical 0.24 ac) and it is newer than 17% of them (1975 against a typical 2002). Measured against all of Duval County, it is worth more than 42% 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 8478 Rock Knoll Dr, Jacksonville, FL?

The 2025 property tax bill for 8478 Rock Knoll Dr, Jacksonville, FL was $1,718. The county assessed it at $119,897.

More homes on Rock Knoll Dr

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