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CondominiumResidential
$561,459$478 / 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 94How 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 $554,000 on Jun 22, 2021

643 FOSTER CT

HAYWARD, CA 94544
Building report
3
Beds
1.5
Baths
1,175 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.
1.51 ac
Lot SizeThe size of the land the home sits on, from county records.
1981
Year BuiltThe year the home was originally built, according to county records.

Valuation

$561K
$529K low$594K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$554,000 · Jun 22, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,294 (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.$604,648 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$183,494
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$428,154
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$592,660
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$534,870

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyALAMEDA
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.Gravity
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.No

Transaction History(8)

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(5)

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

E
Glassbrook Elementary SchoolF
Elementary · Grades KG–6 · 0.3 mi
H
Tennyson High SchoolD-
High · Grades 9–12 · 0.5 mi
M
Martin Luther King Jr. Middle SchoolC+
Middle · Grades 7–8 · 0.9 mi

District: Hayward Unified School District

Neighborhood · ZIP 94544These 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.74
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 100.615

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.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.7%
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.78,842
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,902 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$95,392
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$122,897
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.20 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

643 Foster 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 less than 90% of homes in Hayward 94544
  • Costs less per square foot than 86% of homes in Alameda County
  • Smaller than 76% of homes in Alameda County
  • Has a bigger lot than 94% of homes in Alameda County
  • Newer than 92% of homes in Harder-Tennyson

What homes are worth in Hayward 94544

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

This home
$390K$1.6M

This home is worth more than 10% of homes in Hayward 94544.

How it measures up in Hayward 94544

The dot is this home. The mark in the middle is the typical home in Hayward 94544.

Estimated value$561,459
CheaperTypical $781,502Pricier

Pricier than 10% of homes nearby

Price per ft²$478
CheaperTypical $586Pricier

Pricier than 16% of homes nearby

Living area1,175 ft²
SmallerTypical 1,335 ft²Bigger

Bigger than 37% of homes nearby

Lot size1.51 ac
SmallerTypical 0.13 acBigger

Bigger than 93% of homes nearby

Year built1981
OlderTypical 1957Newer

Newer than 67% of homes nearby

How 643 Foster Ct ranks against every home in each area.
MeasureThis homeHarder-TennysonHayward 94544Alameda County
Estimated valuepricier than$561,45914% of homes10% of homes13% of homes
Price per ft²pricier than$47822% of homes16% of homes14% of homes
Living areabigger than1,175 ft²46% of homes37% of homes24% of homes
Lot sizebigger than1.51 ac92% of homes93% of homes94% of homes
Year builtnewer than198192% of homes67% of homes69% of homes

About 643 Foster Ct

How much is 643 Foster Ct, Hayward, CA worth?

The TopHap Estimate for 643 Foster Ct, Hayward, CA is $561,459 as of Sep 24, 2026. The likely range is $528,816 to $594,102. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 643 Foster Ct, Hayward, CA last sell?

643 Foster Ct, Hayward, CA last sold on Jun 22, 2021 for $554,000, according to the county's recorded deed. TopHap holds 7 recorded sales for this parcel.

How big is 643 Foster Ct, Hayward, CA?

643 Foster Ct, Hayward, CA has 3 bedrooms, 1.5 bathrooms and 1,175 square feet of living space.

When was 643 Foster Ct, Hayward, CA built?

643 Foster Ct, Hayward, CA was built in 1981, making it 45 years old.

What schools serve 643 Foster Ct, Hayward, CA?

643 Foster Ct, Hayward, CA is assigned to Glassbrook Elementary School (elementary), rated F; Tennyson High School (high), rated D-; Martin Luther King Jr. Middle School (middle), rated C+. All sit in Hayward Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 643 Foster Ct, Hayward, CA compare to other homes in Hayward 94544?

Among the 15,625 homes in Hayward 94544, it is worth more than 10% of them ($561,459 against a typical $781,502), its price per square foot is higher than 16% of them ($478 against a typical $586), it is bigger than 37% of them (1,175 ft² against a typical 1,335 ft²), its lot is bigger than 93% of them (1.51 ac against a typical 0.13 ac) and it is newer than 67% of them (1981 against a typical 1957). Measured against all of Alameda County, it is worth more than 13% 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 643 Foster Ct, Hayward, CA?

The 2025 property tax bill for 643 Foster Ct, Hayward, CA was $7,294. The county assessed it at $604,648.

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