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Single Family ResidenceResidential
$2,620,788$778 / 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 Sep 24, 2026

4542 ARCE ST

UNION CITY, CA 94587
4
Beds
4
Baths
3,367 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
2008
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$2.6M
$2.5M low$2.8M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,989 (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.$1,250,700 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$377,256
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$880,444
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,226,047
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,891,170

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.0.12
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(2)

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
Pioneer Elementary SchoolB+
Elementary · Grades KG–5 · 0.5 mi
M
Itliong-Vera Cruz Middle SchoolB+
Middle · Grades 6–8 · 1.4 mi
H
James Logan High SchoolB+
High · Grades 9–12 · 2.4 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

4542 Arce 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.

  • Among the most valuable homes in Union City 94587
  • Costs more per square foot than 71% of homes in Alameda County
  • Among the largest homes in Union City 94587
  • Has a smaller lot than 76% of homes in Union City 94587
  • Among the newest 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
$466K$2.3M

This home is worth more than almost all 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$2,620,788
CheaperTypical $1,252,539Pricier

Pricier than almost all homes nearby

Price per ft²$778
CheaperTypical $730Pricier

Pricier than 62% of homes nearby

Living area3,367 ft²
SmallerTypical 1,566 ft²Bigger

Bigger than almost all homes nearby

Lot size0.11 ac
SmallerTypical 0.14 acBigger

Bigger than 24% of homes nearby

Year built2008
OlderTypical 1977Newer

Newer than almost all homes nearby

How 4542 Arce St ranks against every home in each area.
MeasureThis homeUnion City 94587Alameda County
Estimated valuepricier than$2,620,788almost all homes96% of homes
Price per ft²pricier than$77862% of homes71% of homes
Living areabigger than3,367 ft²almost all homes94% of homes
Lot sizebigger than0.11 ac24% of homes29% of homes
Year builtnewer than2008almost all homes93% of homes

About 4542 Arce St

How much is 4542 Arce St, Union City, CA worth?

The TopHap Estimate for 4542 Arce St, Union City, CA is $2,620,788 as of Sep 24, 2026. The likely range is $2,471,809 to $2,769,767. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4542 Arce St, Union City, CA last sell?

4542 Arce St, Union City, CA last sold on Mar 20, 2008, according to the county's recorded deed.

How big is 4542 Arce St, Union City, CA?

4542 Arce St, Union City, CA has 4 bedrooms, 4 bathrooms, 3,367 square feet of living space and a 0.12-acre lot.

When was 4542 Arce St, Union City, CA built?

4542 Arce St, Union City, CA was built in 2008, making it 18 years old. The building has 2 stories.

What schools serve 4542 Arce St, Union City, CA?

4542 Arce St, Union City, CA is assigned to Pioneer Elementary School (elementary), rated B+; Itliong-Vera Cruz Middle School (middle), rated B+; James Logan High School (high), rated B+. All sit in New Haven Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4542 Arce St, Union City, CA compare to other homes in Union City 94587?

Among the 17,565 homes in Union City 94587, it is worth more than almost all of them ($2,620,788 against a typical $1,252,539), its price per square foot is higher than 62% of them ($778 against a typical $730), it is bigger than almost all of them (3,367 ft² against a typical 1,566 ft²), its lot is bigger than 24% of them (0.11 ac against a typical 0.14 ac) and it is newer than almost all of them (2008 against a typical 1977). Measured against all of Alameda County, it is worth more than 96% 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 4542 Arce St, Union City, CA?

The 2025 property tax bill for 4542 Arce St, Union City, CA was $16,989. The county assessed it at $1,250,700.

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