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Single Family ResidenceResidential
$578,013$655 / 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 95How 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 $20,000 on Jan 21, 2003

517 SIMON ST

HAYWARD, CA 94541
2
Beds
1
Baths
882 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1942
Year BuiltThe year the home was originally built, according to county records.
2
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

$578K
$550K low$606K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$20,000 · Jan 21, 2003

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,214 (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.$246,781 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$76,134
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$177,647
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$241,805
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$853,830

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.0.14
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(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
Cherryland Elementary SchoolD
Elementary · Grades KG–6 · 0.3 mi
M
Bret Harte Middle SchoolC-
Middle · Grades 7–8 · 0.9 mi
H
Hayward High SchoolC
High · Grades 9–12 · 1.3 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

517 Simon 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 less than 87% of homes in Alameda County
  • Costs more per square foot than 94% of homes in Hayward North
  • Smaller than 94% of homes in Hayward North
  • Has a smaller lot than 81% of homes in Hayward North
  • Older than 81% 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
$441K$1.4M

This home is worth more than 16% 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$578,013
CheaperTypical $735,049Pricier

Pricier than 16% of homes nearby

Price per ft²$655
CheaperTypical $522Pricier

Pricier than 88% of homes nearby

Living area882 ft²
SmallerTypical 1,438 ft²Bigger

Bigger than 6% of homes nearby

Lot size0.14 ac
SmallerTypical 0.15 acBigger

Bigger than 42% of homes nearby

Year built1942
OlderTypical 1955Newer

Newer than 19% of homes nearby

How 517 Simon St ranks against every home in each area.
MeasureThis homeHayward NorthHayward 94541Alameda County
Estimated valuepricier than$578,01351% of homes16% of homes13% of homes
Price per ft²pricier than$65594% of homes88% of homes49% of homes
Living areabigger than882 ft²6% of homes6% of homes6% of homes
Lot sizebigger than0.14 ac19% of homes42% of homes49% of homes
Year builtnewer than194233% of homes19% of homes25% of homes

About 517 Simon St

How much is 517 Simon St, Hayward, CA worth?

The TopHap Estimate for 517 Simon St, Hayward, CA is $578,013 as of Sep 24, 2026. The likely range is $550,007 to $606,019. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 517 Simon St, Hayward, CA last sell?

517 Simon St, Hayward, CA last sold on Jan 21, 2003 for $20,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 517 Simon St, Hayward, CA?

517 Simon St, Hayward, CA has 2 bedrooms, 1 bathrooms, 882 square feet of living space and a 0.14-acre lot.

When was 517 Simon St, Hayward, CA built?

517 Simon St, Hayward, CA was built in 1942, making it 84 years old. The building has 2 stories.

What schools serve 517 Simon St, Hayward, CA?

517 Simon St, 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 517 Simon St, Hayward, CA compare to other homes in Hayward 94541?

Among the 14,375 homes in Hayward 94541, it is worth more than 16% of them ($578,013 against a typical $735,049), its price per square foot is higher than 88% of them ($655 against a typical $522), it is bigger than 6% of them (882 ft² against a typical 1,438 ft²), its lot is bigger than 42% of them (0.14 ac against a typical 0.15 ac) and it is newer than 19% of them (1942 against a typical 1955). 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 517 Simon St, Hayward, CA?

The 2025 property tax bill for 517 Simon St, Hayward, CA was $3,214. The county assessed it at $246,781.

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