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Single Family ResidenceResidential
$763,503$534 / 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 Aug 30, 2026
Last sold for $700,000 on May 17, 2019

21637 PROSPECT CT

HAYWARD, CA 94541
3
Beds
2
Baths
1,429 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.
0.1 ac
Lot SizeThe size of the land the home sits on, from county records.
1947
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
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

$764K
$715K low$812K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$700,000 · May 17, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,452 (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.$789,466 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$238,940
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$557,526
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$773,850
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$650,250

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyALAMEDA
Lot (acres)The size of the land the home sits on, from county records.0.10
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(11)

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(6)

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

E
Cherryland Elementary SchoolD
Elementary · Grades KG–6 · 0.5 mi
M
Bret Harte Middle SchoolC-
Middle · Grades 7–8 · 1.1 mi
H
Hayward High SchoolC
High · Grades 9–12 · 1.4 mi

District: Hayward Unified School District

Neighborhood · ZIP 94541These 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.97
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.599

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.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.66,887
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,967 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$91,806
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$119,563
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.21 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

21637 Prospect 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 83% of homes in Hayward North
  • Costs more per square foot than 82% of homes in Hayward North
  • Has a smaller lot than 96% of homes in Hayward North
  • Older than 75% of homes in Hayward 94541

What homes are worth in Hayward 94541

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

This home
$445K$1.4M

This home is worth more than 55% of homes in Hayward 94541.

How it measures up in Hayward 94541

The dot is this home. The mark in the middle is the typical home in Hayward 94541.

Estimated value$763,503
CheaperTypical $736,685Pricier

Pricier than 55% of homes nearby

Price per ft²$534
CheaperTypical $527Pricier

Pricier than 53% of homes nearby

Living area1,429 ft²
SmallerTypical 1,450 ft²Bigger

Bigger than 49% of homes nearby

Lot size0.1 ac
SmallerTypical 0.15 acBigger

Bigger than 14% of homes nearby

Year built1947
OlderTypical 1954Newer

Newer than 25% of homes nearby

How 21637 Prospect Ct ranks against every home in each area.
MeasureThis homeHayward NorthHayward 94541Alameda County
Estimated valuepricier than$763,50383% of homes55% of homes28% of homes
Price per ft²pricier than$53482% of homes53% of homes24% of homes
Living areabigger than1,429 ft²62% of homes49% of homes41% of homes
Lot sizebigger than0.1 ac4% of homes14% of homes25% of homes
Year builtnewer than194740% of homes25% of homes29% of homes

About 21637 Prospect Ct

How much is 21637 Prospect Ct, Hayward, CA worth?

The TopHap Estimate for 21637 Prospect Ct, Hayward, CA is $763,503 as of Aug 30, 2026. The likely range is $714,770 to $812,236. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21637 Prospect Ct, Hayward, CA last sell?

21637 Prospect Ct, Hayward, CA last sold on May 17, 2019 for $700,000, according to the county's recorded deed. TopHap holds 7 recorded sales for this parcel.

How big is 21637 Prospect Ct, Hayward, CA?

21637 Prospect Ct, Hayward, CA has 3 bedrooms, 2 bathrooms, 1,429 square feet of living space and a 0.10-acre lot.

When was 21637 Prospect Ct, Hayward, CA built?

21637 Prospect Ct, Hayward, CA was built in 1947, making it 79 years old. The building has 1 story.

What schools serve 21637 Prospect Ct, Hayward, CA?

21637 Prospect Ct, Hayward, CA is assigned to Cherryland Elementary School (elementary), rated D; Bret Harte Middle School (middle), rated C-; Hayward High School (high), rated C. All sit in Hayward Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21637 Prospect Ct, Hayward, CA compare to other homes in Hayward 94541?

Among the 14,365 homes in Hayward 94541, it is worth more than 55% of them ($763,503 against a typical $736,685), its price per square foot is higher than 53% of them ($534 against a typical $527), it is bigger than 49% of them (1,429 ft² against a typical 1,450 ft²), its lot is bigger than 14% of them (0.1 ac against a typical 0.15 ac) and it is newer than 25% of them (1947 against a typical 1954). Measured against all of Alameda County, it is worth more than 28% 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 21637 Prospect Ct, Hayward, CA?

The 2025 property tax bill for 21637 Prospect Ct, Hayward, CA was $9,452. The county assessed it at $789,466.

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