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Single Family ResidenceResidential
$2,448,365$1,106 / 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 Sep 24, 2026
Last sold for $390,000 on Jun 25, 1999

4821 ROUNDTREE DR

CAMPBELL, CA 95008
4
Beds
2.5
Baths
2,214 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.
0.14 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.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$2.4M
$2.3M low$2.6M 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 · Jun 25, 1999

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,614 (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.$676,367 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$280,624
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$395,743
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$663,106

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.39
43
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
33
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
31
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
45
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
47
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.10 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.minimal

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
CountySANTA CLARA
Lot (acres)The size of the land the home sits on, from county records.0.14
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.Wood Shingle
HeatingThe type of heating system in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

M
Rolling Hills Middle SchoolA
Middle · Grades 6–8 · 0.2 mi
H
Westmont High SchoolA-
High · Grades 9–12 · 0.2 mi
E
Forest Hill Elementary SchoolA+
Elementary · Grades KG–5 · 0.6 mi

District: Campbell Union Elementary School District

Neighborhood · ZIP 95008These 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.113
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.478

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.48,083
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,454 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$140,367
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$179,226
Average tempThe average temperature here across a full year.59°F
Annual precipHow much rain and melted snow falls here in a typical year.19 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.73%

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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

4821 Roundtree 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 more than 86% of homes in Westmont
  • Costs less per square foot than 73% of homes in Westmont
  • Bigger than 93% of homes in Westmont
  • Has a smaller lot than 67% of homes in Campbell 95008
  • Newer than 90% of homes in Westmont

What homes are worth in Campbell 95008

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

This home
$516K$3.5M

This home is worth more than 86% of homes in Campbell 95008.

How it measures up in Campbell 95008

The dot is this home. The mark in the middle is the typical home in Campbell 95008.

Estimated value$2,448,365
CheaperTypical $1,695,999Pricier

Pricier than 86% of homes nearby

Price per ft²$1106
CheaperTypical $1026Pricier

Pricier than 63% of homes nearby

Living area2,214 ft²
SmallerTypical 1,596 ft²Bigger

Bigger than 80% of homes nearby

Lot size0.14 ac
SmallerTypical 0.15 acBigger

Bigger than 33% of homes nearby

Year built1975
OlderTypical 1963Newer

Newer than 66% of homes nearby

How 4821 Roundtree Dr ranks against every home in each area.
MeasureThis homeWestmontCampbell 95008Santa Clara County
Estimated valuepricier than$2,448,36586% of homes86% of homes78% of homes
Price per ft²pricier than$110627% of homes63% of homes68% of homes
Living areabigger than2,214 ft²93% of homes80% of homes75% of homes
Lot sizebigger than0.14 ac35% of homes33% of homes41% of homes
Year builtnewer than197590% of homes66% of homes60% of homes

About 4821 Roundtree Dr

How much is 4821 Roundtree Dr, Campbell, CA worth?

The TopHap Estimate for 4821 Roundtree Dr, Campbell, CA is $2,448,365 as of Sep 24, 2026. The likely range is $2,313,942 to $2,582,787. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4821 Roundtree Dr, Campbell, CA last sell?

4821 Roundtree Dr, Campbell, CA last sold on Jun 25, 1999 for $390,000, according to the county's recorded deed.

How big is 4821 Roundtree Dr, Campbell, CA?

4821 Roundtree Dr, Campbell, CA has 4 bedrooms, 2.5 bathrooms, 2,214 square feet of living space and a 0.14-acre lot.

When was 4821 Roundtree Dr, Campbell, CA built?

4821 Roundtree Dr, Campbell, CA was built in 1975, making it 51 years old. The building has 2 stories.

What schools serve 4821 Roundtree Dr, Campbell, CA?

4821 Roundtree Dr, Campbell, CA is assigned to Rolling Hills Middle School (middle), rated A; Westmont High School (high), rated A-; Forest Hill Elementary School (elementary), rated A+. All sit in Campbell Union Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4821 Roundtree Dr, Campbell, CA compare to other homes in Campbell 95008?

Among the 11,908 homes in Campbell 95008, it is worth more than 86% of them ($2,448,365 against a typical $1,695,999), its price per square foot is higher than 63% of them ($1106 against a typical $1026), it is bigger than 80% of them (2,214 ft² against a typical 1,596 ft²), its lot is bigger than 33% of them (0.14 ac against a typical 0.15 ac) and it is newer than 66% of them (1975 against a typical 1963). Measured against all of Santa Clara County, it is worth more than 78% 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 4821 Roundtree Dr, Campbell, CA?

The 2025 property tax bill for 4821 Roundtree Dr, Campbell, CA was $9,614. The county assessed it at $676,367.

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