Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$714,788$451 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $655,000 on Jul 8, 2020

1123 ARMSTRONG ST

HAYWARD, CA 94541
3
Beds
1
Baths
1,586 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.
3,723 ft²
Lot SizeThe size of the land the home sits on, from county records.
1915
Year BuiltThe year the home was originally built, according to county records.
1
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.

Valuation

$715K
$653K low$777K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$655,000 · Jul 8, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,610 (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.$716,158 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$216,947
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$506,211
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$701,984
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$732,870

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.1930
Lot (acres)The size of the land the home sits on, from county records.0.09
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.

M
Bret Harte Middle SchoolC-
Middle · Grades 7–8 · 0.1 mi
H
Hayward High SchoolC+
High · Grades 9–12 · 0.5 mi
E
East Avenue Elementary SchoolC-
Elementary · Grades KG–6 · 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%

Owner Tools

Do you own this home?
Claim this home

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

1123 Armstrong 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 76% of homes in Alameda County
  • Costs less per square foot than 89% of homes in Alameda County
  • Has a smaller lot than 89% of homes in Mission Foothills
  • Older than 98% of homes in Mission Foothills

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
$433K$1.4M

This home is worth more than 47% 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$714,788
CheaperTypical $728,680Pricier

Pricier than 47% of homes nearby

Price per ft²$451
CheaperTypical $523Pricier

Pricier than 22% of homes nearby

Living area1,586 ft²
SmallerTypical 1,455 ft²Bigger

Bigger than 59% of homes nearby

Lot size3,723 ft²
SmallerTypical 0.15 acBigger

Bigger than 12% of homes nearby

Year built1915
OlderTypical 1955Newer

Newer than 2% of homes nearby

How 1123 Armstrong St ranks against every home in each area.
MeasureThis homeMission FoothillsHayward 94541Alameda County
Estimated valuepricier than$714,78831% of homes47% of homes24% of homes
Price per ft²pricier than$45123% of homes22% of homes11% of homes
Living areabigger than1,586 ft²51% of homes59% of homes51% of homes
Lot sizebigger than3,723 ft²11% of homes12% of homes15% of homes
Year builtnewer than19152% of homes2% of homes8% of homes

About 1123 Armstrong St

How much is 1123 Armstrong St, Hayward, CA worth?

The TopHap Estimate for 1123 Armstrong St, Hayward, CA is $714,788 as of Oct 21, 2026. The likely range is $652,910 to $776,666. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1123 Armstrong St, Hayward, CA last sell?

1123 Armstrong St, Hayward, CA last sold on Jul 8, 2020 for $655,000, according to the county's recorded deed.

How big is 1123 Armstrong St, Hayward, CA?

1123 Armstrong St, Hayward, CA has 3 bedrooms, 1 bathrooms, 1,586 square feet of living space and a 0.09-acre lot.

When was 1123 Armstrong St, Hayward, CA built?

1123 Armstrong St, Hayward, CA was built in 1915, making it 111 years old. It is a custom design home. The building has 1 story.

What schools serve 1123 Armstrong St, Hayward, CA?

1123 Armstrong St, Hayward, CA is assigned to Bret Harte Middle School (middle), rated C-; Hayward High School (high), rated C+; East Avenue Elementary School (elementary), rated C-. All sit in Hayward Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1123 Armstrong St, Hayward, CA compare to other homes in Hayward 94541?

Among the 14,460 homes in Hayward 94541, it is worth more than 47% of them ($714,788 against a typical $728,680), its price per square foot is higher than 22% of them ($451 against a typical $523), it is bigger than 59% of them (1,586 ft² against a typical 1,455 ft²), its lot is bigger than 12% of them (3,723 ft² against a typical 0.15 ac) and it is newer than 2% of them (1915 against a typical 1955). Measured against all of Alameda County, it is worth more than 24% 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 1123 Armstrong St, Hayward, CA?

The 2025 property tax bill for 1123 Armstrong St, Hayward, CA was $8,610. The county assessed it at $716,158.

More homes on Armstrong St

Closest homes

More homes in Hayward 94541

Assigned schools

Explore the area

See this home in context

Open 1123 Armstrong St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map