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CondominiumResidential
$988,785$647 / 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 96How 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

3893 QUANTUM DR

FREMONT, CA 94538
Building report
3
Beds
2
Baths
1,528 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.
2023
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$989K
$951K low$1M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,767 (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.$1,031,702 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$311,780
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$726,922
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,011,343

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.28
26
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.
24
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
28
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
62
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.4 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.0.2 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.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyALAMEDA
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Lila Bringhurst Elementary SchoolA+
Elementary · Grades KG–5 · 0.5 mi
H
Kennedy High SchoolB+
High · Grades 9–12 · 3.0 mi
M
G. M. Walters Middle SchoolA
Middle · Grades 6–8 · 3.4 mi

District: Fremont Unified School District

Neighborhood · ZIP 94538These 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.65
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.620

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.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.67,745
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,952 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$137,410
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$160,880
Average tempThe average temperature here across a full year.59°F
Annual precipHow much rain and melted snow falls here in a typical year.16 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

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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

3893 Quantum 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 82% of homes in Fremont 94538
  • Costs less per square foot than 84% of homes in Fremont 94538
  • Among the newest homes in Alameda County

What homes are worth in Fremont 94538

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

This home
$465K$1.9M

This home is worth more than 18% of homes in Fremont 94538.

How it measures up in Fremont 94538

The dot is this home. The mark in the middle is the typical home in Fremont 94538.

Estimated value$988,785
CheaperTypical $1,235,104Pricier

Pricier than 18% of homes nearby

Price per ft²$647
CheaperTypical $874Pricier

Pricier than 16% of homes nearby

Living area1,528 ft²
SmallerTypical 1,375 ft²Bigger

Bigger than 64% of homes nearby

Year built2023
OlderTypical 1963Newer

Newer than 98% of homes nearby

How 3893 Quantum Dr ranks against every home in each area.
MeasureThis homeEast IndustrialFremont 94538Alameda County
Estimated valuepricier than$988,78528% of homes18% of homes46% of homes
Price per ft²pricier than$64735% of homes16% of homes47% of homes
Living areabigger than1,528 ft²38% of homes64% of homes48% of homes
Year builtnewer than202389% of homes98% of homesalmost all homes

About 3893 Quantum Dr

How much is 3893 Quantum Dr, Fremont, CA worth?

The TopHap Estimate for 3893 Quantum Dr, Fremont, CA is $988,785 as of Sep 24, 2026. The likely range is $950,909 to $1,026,661. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3893 Quantum Dr, Fremont, CA last sell?

3893 Quantum Dr, Fremont, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3893 Quantum Dr, Fremont, CA?

3893 Quantum Dr, Fremont, CA has 3 bedrooms, 2 bathrooms and 1,528 square feet of living space.

When was 3893 Quantum Dr, Fremont, CA built?

3893 Quantum Dr, Fremont, CA was built in 2023, making it 3 years old. It is a condo/apartment home. The building has 1 story.

What schools serve 3893 Quantum Dr, Fremont, CA?

3893 Quantum Dr, Fremont, CA is assigned to Lila Bringhurst Elementary School (elementary), rated A+; Kennedy High School (high), rated B+; G. M. Walters Middle School (middle), rated A. All sit in Fremont Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3893 Quantum Dr, Fremont, CA compare to other homes in Fremont 94538?

Among the 15,978 homes in Fremont 94538, it is worth more than 18% of them ($988,785 against a typical $1,235,104), its price per square foot is higher than 16% of them ($647 against a typical $874), it is bigger than 64% of them (1,528 ft² against a typical 1,375 ft²) and it is newer than 98% of them (2023 against a typical 1963). Measured against all of Alameda County, it is worth more than 46% 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 3893 Quantum Dr, Fremont, CA?

The 2025 property tax bill for 3893 Quantum Dr, Fremont, CA was $13,767. The county assessed it at $1,031,702.

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