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Single Family ResidenceResidential
$1,538,671$947 / 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
Last sold for $412,521 on Jan 8, 2008

40405 FOSTER ST

FREMONT, CA 94538
3
Beds
1.5
Baths
1,625 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1954
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.

Valuation

$1.5M
$1.5M low$1.6M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$412,521 · Jan 8, 2008

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,014 (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.$541,666 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$164,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$384,066
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$530,911
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,210,950

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Custom Design
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.1955
Lot (acres)The size of the land the home sits on, from county records.0.13
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(9)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

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

E
John Blacow Elementary SchoolB
Elementary · Grades KG–5 · 0.7 mi
M
G. M. Walters Middle SchoolB+
Middle · Grades 6–8 · 0.9 mi
H
Kennedy High SchoolB
High · Grades 9–12 · 1.0 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

40405 Foster St 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 89% of homes in South Sundale
  • Costs more per square foot than 88% of homes in Alameda County
  • Bigger than 77% of homes in South Sundale
  • Has a smaller lot than 76% of homes in Fremont 94538
  • Older than 96% of homes in Fremont 94538

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
$453K$1.9M

This home is worth more than 86% 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$1,538,671
CheaperTypical $1,235,766Pricier

Pricier than 86% of homes nearby

Price per ft²$947
CheaperTypical $871Pricier

Pricier than 64% of homes nearby

Living area1,625 ft²
SmallerTypical 1,375 ft²Bigger

Bigger than 71% of homes nearby

Lot size0.13 ac
SmallerTypical 0.14 acBigger

Bigger than 24% of homes nearby

Year built1954
OlderTypical 1963Newer

Newer than 4% of homes nearby

How 40405 Foster St ranks against every home in each area.
MeasureThis homeSouth SundaleFremont 94538Alameda County
Estimated valuepricier than$1,538,67189% of homes86% of homes78% of homes
Price per ft²pricier than$94744% of homes64% of homes88% of homes
Living areabigger than1,625 ft²77% of homes71% of homes54% of homes
Lot sizebigger than0.13 ac31% of homes24% of homes43% of homes
Year builtnewer than19546% of homes4% of homes37% of homes

About 40405 Foster St

How much is 40405 Foster St, Fremont, CA worth?

The TopHap Estimate for 40405 Foster St, Fremont, CA is $1,538,671 as of Sep 24, 2026. The likely range is $1,484,767 to $1,592,575. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 40405 Foster St, Fremont, CA last sell?

40405 Foster St, Fremont, CA last sold on Jan 8, 2008 for $412,521, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 40405 Foster St, Fremont, CA?

40405 Foster St, Fremont, CA has 3 bedrooms, 1.5 bathrooms, 1,625 square feet of living space and a 0.13-acre lot.

When was 40405 Foster St, Fremont, CA built?

40405 Foster St, Fremont, CA was built in 1954, making it 72 years old. It is a custom design home. The building has 1 story.

What schools serve 40405 Foster St, Fremont, CA?

40405 Foster St, Fremont, CA is assigned to John Blacow Elementary School (elementary), rated B; G. M. Walters Middle School (middle), rated B+; Kennedy High School (high), rated B. All sit in Fremont Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 40405 Foster St, Fremont, CA compare to other homes in Fremont 94538?

Among the 15,978 homes in Fremont 94538, it is worth more than 86% of them ($1,538,671 against a typical $1,235,766), its price per square foot is higher than 64% of them ($947 against a typical $871), it is bigger than 71% of them (1,625 ft² against a typical 1,375 ft²), its lot is bigger than 24% of them (0.13 ac against a typical 0.14 ac) and it is newer than 4% of them (1954 against a typical 1963). Measured against all of Alameda 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 40405 Foster St, Fremont, CA?

The 2025 property tax bill for 40405 Foster St, Fremont, CA was $7,014. The county assessed it at $541,666.

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