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TownhouseResidential
$811,779$584 / 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 $825,000 on Jul 28, 2023

4126 VENUS PL

UNION CITY, CA 94587
3
Beds
1.5
Baths
1,390 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.
1,449 ft²
Lot SizeThe size of the land the home sits on, from county records.
1974
Year BuiltThe year the home was originally built, according to county records.
2
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

$812K
$762K low$861K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$825,000 · Jul 28, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,457 (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.$820,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$246,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$574,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$841,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$724,590

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Townhouse
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.1991
Lot (acres)The size of the land the home sits on, from county records.0.03
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.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

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
Itliong-Vera Cruz Middle SchoolB
Middle · Grades 6–8 · 0.8 mi
E
Pioneer Elementary SchoolB+
Elementary · Grades KG–5 · 1.0 mi
H
James Logan High SchoolA-
High · Grades 9–12 · 2.2 mi

District: New Haven Unified School District

Neighborhood · ZIP 94587These 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.43
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 100.552

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.8%
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.66,162
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,241 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$129,537
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$155,780
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.19 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

4126 Venus Pl 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 79% of homes in Union City 94587
  • Costs less per square foot than 88% of homes in Union City 94587
  • Smaller than 66% of homes in Union City 94587
  • Has a smaller lot than 98% of homes in Union City 94587

What homes are worth in Union City 94587

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

This home
$490K$2.3M

This home is worth more than 21% of homes in Union City 94587.

How it measures up in Union City 94587

The dot is this home. The mark in the middle is the typical home in Union City 94587.

Estimated value$811,779
CheaperTypical $1,264,687Pricier

Pricier than 21% of homes nearby

Price per ft²$584
CheaperTypical $738Pricier

Pricier than 12% of homes nearby

Living area1,390 ft²
SmallerTypical 1,566 ft²Bigger

Bigger than 34% of homes nearby

Lot size1,449 ft²
SmallerTypical 0.14 acBigger

Bigger than 2% of homes nearby

Year built1974
OlderTypical 1977Newer

Newer than 45% of homes nearby

How 4126 Venus Pl ranks against every home in each area.
MeasureThis homeUnion City 94587Alameda County
Estimated valuepricier than$811,77921% of homes33% of homes
Price per ft²pricier than$58412% of homes33% of homes
Living areabigger than1,390 ft²34% of homes39% of homes
Lot sizebigger than1,449 ft²2% of homes2% of homes
Year builtnewer than197445% of homes63% of homes

About 4126 Venus Pl

How much is 4126 Venus Pl, Union City, CA worth?

The TopHap Estimate for 4126 Venus Pl, Union City, CA is $811,779 as of Aug 30, 2026. The likely range is $762,461 to $861,097. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4126 Venus Pl, Union City, CA last sell?

4126 Venus Pl, Union City, CA last sold on Jul 28, 2023 for $825,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 4126 Venus Pl, Union City, CA?

4126 Venus Pl, Union City, CA has 3 bedrooms, 1.5 bathrooms, 1,390 square feet of living space and a 0.03-acre lot.

When was 4126 Venus Pl, Union City, CA built?

4126 Venus Pl, Union City, CA was built in 1974, making it 52 years old. It is a custom design home. The building has 2 stories.

What schools serve 4126 Venus Pl, Union City, CA?

4126 Venus Pl, Union City, CA is assigned to Itliong-Vera Cruz Middle School (middle), rated B; Pioneer Elementary School (elementary), rated B+; James Logan High School (high), rated A-. All sit in New Haven Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4126 Venus Pl, Union City, CA compare to other homes in Union City 94587?

Among the 17,563 homes in Union City 94587, it is worth more than 21% of them ($811,779 against a typical $1,264,687), its price per square foot is higher than 12% of them ($584 against a typical $738), it is bigger than 34% of them (1,390 ft² against a typical 1,566 ft²), its lot is bigger than 2% of them (1,449 ft² against a typical 0.14 ac) and it is newer than 45% of them (1974 against a typical 1977). Measured against all of Alameda County, it is worth more than 33% 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 4126 Venus Pl, Union City, CA?

The 2025 property tax bill for 4126 Venus Pl, Union City, CA was $11,457. The county assessed it at $820,000.

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