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Single Family ResidenceResidential
$1,824,930$980 / 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 97How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $139,000 on Feb 17, 1999

640 AZTEC CT

FREMONT, CA 94539
4
Beds
2
Baths
1,862 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1964
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.

Valuation

$1.8M
$1.8M low$1.9M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$139,000 · Feb 17, 1999
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$1,196,330
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$957,064
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.36%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$277,600
WASHINGTON MUTUAL FSB · recorded Feb 17, 1999
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$351,000
US BANK NA

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,675 (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.$512,073 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$153,501
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$358,572
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$502,032
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,467,270

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyALAMEDA
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.1965
Lot (acres)The size of the land the home sits on, from county records.0.17
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.Composition Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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.

E
James Leitch Elementary School
Elementary · Grades KG–2 · 0.3 mi
H
Irvington High SchoolA+
High · Grades 9–12 · 3.3 mi
M
John M. Horner Middle SchoolA
Middle · Grades 6–8 · 3.4 mi

District: Fremont Unified School District

Neighborhood · ZIP 94539These 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.25
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 100.683

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.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.5%
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.52,775
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,599 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$190,911
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$222,193
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.78%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

640 Aztec Ct 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 88% of homes in Alameda County
  • Costs more per square foot than 90% of homes in Alameda County
  • Bigger than 68% of homes in Warm Springs
  • Has a bigger lot than 66% of homes in Alameda County
  • Older than 81% of homes in Fremont 94539

What homes are worth in Fremont 94539

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

This home
$597K$4.5M

This home is worth more than 38% of homes in Fremont 94539.

How it measures up in Fremont 94539

The dot is this home. The mark in the middle is the typical home in Fremont 94539.

Estimated value$1,824,930
CheaperTypical $2,089,598Pricier

Pricier than 38% of homes nearby

Price per ft²$980
CheaperTypical $1026Pricier

Pricier than 42% of homes nearby

Living area1,862 ft²
SmallerTypical 2,024 ft²Bigger

Bigger than 41% of homes nearby

Lot size0.17 ac
SmallerTypical 0.18 acBigger

Bigger than 42% of homes nearby

Year built1964
OlderTypical 1980Newer

Newer than 19% of homes nearby

How 640 Aztec Ct ranks against every home in each area.
MeasureThis homeWarm SpringsFremont 94539Alameda County
Estimated valuepricier than$1,824,93070% of homes38% of homes88% of homes
Price per ft²pricier than$98058% of homes42% of homes90% of homes
Living areabigger than1,862 ft²68% of homes41% of homes65% of homes
Lot sizebigger than0.17 ac53% of homes42% of homes66% of homes
Year builtnewer than196424% of homes19% of homes51% of homes

About 640 Aztec Ct

How much is 640 Aztec Ct, Fremont, CA worth?

The TopHap Estimate for 640 Aztec Ct, Fremont, CA is $1,824,930 as of Jul 14, 2026. The likely range is $1,765,646 to $1,884,214. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 640 Aztec Ct, Fremont, CA last sell?

640 Aztec Ct, Fremont, CA last sold on Feb 17, 1999 for $139,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 640 Aztec Ct, Fremont, CA?

640 Aztec Ct, Fremont, CA has 4 bedrooms, 2 bathrooms, 1,862 square feet of living space and a 0.17-acre lot.

When was 640 Aztec Ct, Fremont, CA built?

640 Aztec Ct, Fremont, CA was built in 1964, making it 62 years old. The building has 2 stories.

What schools serve 640 Aztec Ct, Fremont, CA?

640 Aztec Ct, Fremont, CA is assigned to James Leitch Elementary School (elementary); Irvington High School (high), rated A+; John M. Horner 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 640 Aztec Ct, Fremont, CA compare to other homes in Fremont 94539?

Among the 17,328 homes in Fremont 94539, it is worth more than 38% of them ($1,824,930 against a typical $2,089,598), its price per square foot is higher than 42% of them ($980 against a typical $1026), it is bigger than 41% of them (1,862 ft² against a typical 2,024 ft²), its lot is bigger than 42% of them (0.17 ac against a typical 0.18 ac) and it is newer than 19% of them (1964 against a typical 1980). Measured against all of Alameda County, it is worth more than 88% 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 640 Aztec Ct, Fremont, CA?

The 2025 property tax bill for 640 Aztec Ct, Fremont, CA was $6,675. The county assessed it at $512,073.

Closest homes

More homes in Fremont 94539

Assigned schools

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