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Planned Unit Development (Pud)Residential
$1,021,573$519 / 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 93How 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 $990,000 on Dec 22, 2021

857 OASIS CT

HAYWARD, CA 94544
4
Beds
3.5
Baths
1,969 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.
2,217 ft²
Lot SizeThe size of the land the home sits on, from county records.
2021
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
6
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

$1M
$948K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$990,000 · Dec 22, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,868 (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.$1,071,595 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$321,478
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$750,117
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,050,587

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Planned Unit Development (Pud)
CountyALAMEDA
Lot (acres)The size of the land the home sits on, from county records.0.05
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.

M
Cesar Chavez Middle SchoolF
Middle · Grades 7–8 · 0.8 mi
E
Treeview Elementary SchoolD-
Elementary · Grades KG–6 · 1.0 mi
H
Tennyson High SchoolD-
High · Grades 9–12 · 1.1 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

857 Oasis 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 86% of homes in Hayward 94544
  • Costs less per square foot than 79% of homes in Alameda County
  • Bigger than 84% of homes in Hayward 94544
  • Has a smaller lot than 97% of homes in Hayward 94544
  • Among the newest homes in Alameda County

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
$396K$1.6M

This home is worth more than 86% 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$1,021,573
CheaperTypical $782,457Pricier

Pricier than 86% of homes nearby

Price per ft²$519
CheaperTypical $587Pricier

Pricier than 27% of homes nearby

Living area1,969 ft²
SmallerTypical 1,335 ft²Bigger

Bigger than 84% of homes nearby

Lot size2,217 ft²
SmallerTypical 0.13 acBigger

Bigger than 3% of homes nearby

Year built2021
OlderTypical 1956Newer

Newer than 98% of homes nearby

How 857 Oasis Ct ranks against every home in each area.
MeasureThis homeMission-GarinHayward 94544Alameda County
Estimated valuepricier than$1,021,57376% of homes86% of homes48% of homes
Price per ft²pricier than$51927% of homes27% of homes21% of homes
Living areabigger than1,969 ft²76% of homes84% of homes70% of homes
Lot sizebigger than2,217 ft²4% of homes3% of homes5% of homes
Year builtnewer than202190% of homes98% of homesalmost all homes

About 857 Oasis Ct

How much is 857 Oasis Ct, Hayward, CA worth?

The TopHap Estimate for 857 Oasis Ct, Hayward, CA is $1,021,573 as of Sep 24, 2026. The likely range is $948,108 to $1,095,038. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 857 Oasis Ct, Hayward, CA last sell?

857 Oasis Ct, Hayward, CA last sold on Dec 22, 2021 for $990,000, according to the county's recorded deed.

How big is 857 Oasis Ct, Hayward, CA?

857 Oasis Ct, Hayward, CA has 4 bedrooms, 3.5 bathrooms, 1,969 square feet of living space and a 0.05-acre lot.

When was 857 Oasis Ct, Hayward, CA built?

857 Oasis Ct, Hayward, CA was built in 2021, making it 5 years old. The building has 3 stories.

What schools serve 857 Oasis Ct, Hayward, CA?

857 Oasis Ct, Hayward, CA is assigned to Cesar Chavez Middle School (middle), rated F; Treeview Elementary School (elementary), rated D-; Tennyson High School (high), rated D-. All sit in Hayward Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 857 Oasis Ct, Hayward, CA compare to other homes in Hayward 94544?

Among the 15,625 homes in Hayward 94544, it is worth more than 86% of them ($1,021,573 against a typical $782,457), its price per square foot is higher than 27% of them ($519 against a typical $587), it is bigger than 84% of them (1,969 ft² against a typical 1,335 ft²), its lot is bigger than 3% of them (2,217 ft² against a typical 0.13 ac) and it is newer than 98% of them (2021 against a typical 1956). Measured against all of Alameda County, it is worth more than 48% 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 857 Oasis Ct, Hayward, CA?

The 2025 property tax bill for 857 Oasis Ct, Hayward, CA was $13,868. The county assessed it at $1,071,595.

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