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Single Family ResidenceResidential
$959,166$967 / 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 Jul 14, 2026
Last sold for $1,000,000 on Dec 28, 2021

1735 UNION ST

ALAMEDA, CA 94501
2
Beds
1
Baths
992 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.
2,352 ft²
Lot SizeThe size of the land the home sits on, from county records.
1925
Year BuiltThe year the home was originally built, according to county records.
1
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

$959K
$904K low$1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,000,000 · Dec 28, 2021
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$159,166
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$127,333
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.81%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$800,000
UNITED WHOLESALE MORTGAGE · recorded Dec 28, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$14,651 (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.$943,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$282,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$660,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,061,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$926,190

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.0.05
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.Roll Tar & Gravel
HeatingThe type of heating system in the home.Gravity
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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
Wood Middle SchoolB
Middle · Grades 6–8 · 1.0 mi
E
Maya Lin SchoolA
Elementary · Grades KG–5 · 1.1 mi
H
Encinal Jr. & Sr. High School SchoolB+
High · Grades 6–12 · 2.0 mi

District: Alameda City Unified School District

Neighborhood · ZIP 94501These 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.124
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.409

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.8%
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.61,491
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,332 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$122,273
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$153,309
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.20 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

1735 Union 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 67% of homes in Alameda 94501
  • Costs more per square foot than 96% of homes in Central Alameda
  • Smaller than 91% of homes in Central Alameda
  • Has a smaller lot than 97% of homes in Central Alameda
  • Older than 83% of homes in Alameda County

What homes are worth in Alameda 94501

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

This home
$398K$2.2M

This home is worth more than 33% of homes in Alameda 94501.

How it measures up in Alameda 94501

The dot is this home. The mark in the middle is the typical home in Alameda 94501.

Estimated value$959,166
CheaperTypical $1,112,930Pricier

Pricier than 33% of homes nearby

Price per ft²$967
CheaperTypical $717Pricier

Pricier than 95% of homes nearby

Living area992 ft²
SmallerTypical 1,654 ft²Bigger

Bigger than 10% of homes nearby

Lot size2,352 ft²
SmallerTypical 0.11 acBigger

Bigger than 3% of homes nearby

Year built1925
OlderTypical 1933Newer

Newer than 44% of homes nearby

How 1735 Union St ranks against every home in each area.
MeasureThis homeCentral AlamedaAlameda 94501Alameda County
Estimated valuepricier than$959,16641% of homes33% of homes44% of homes
Price per ft²pricier than$96796% of homes95% of homes89% of homes
Living areabigger than992 ft²9% of homes10% of homes12% of homes
Lot sizebigger than2,352 ft²3% of homes3% of homes6% of homes
Year builtnewer than192562% of homes44% of homes17% of homes

About 1735 Union St

How much is 1735 Union St, Alameda, CA worth?

The TopHap Estimate for 1735 Union St, Alameda, CA is $959,166 as of Jul 14, 2026. The likely range is $903,758 to $1,014,574. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1735 Union St, Alameda, CA last sell?

1735 Union St, Alameda, CA last sold on Dec 28, 2021 for $1,000,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 1735 Union St, Alameda, CA?

1735 Union St, Alameda, CA has 2 bedrooms, 1 bathrooms, 992 square feet of living space and a 0.05-acre lot.

When was 1735 Union St, Alameda, CA built?

1735 Union St, Alameda, CA was built in 1925, making it 101 years old. The building has 1 story.

What schools serve 1735 Union St, Alameda, CA?

1735 Union St, Alameda, CA is assigned to Wood Middle School (middle), rated B; Maya Lin School (elementary), rated A; Encinal Jr. & Sr. High School School (high), rated B+. All sit in Alameda City Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1735 Union St, Alameda, CA compare to other homes in Alameda 94501?

Among the 14,890 homes in Alameda 94501, it is worth more than 33% of them ($959,166 against a typical $1,112,930), its price per square foot is higher than 95% of them ($967 against a typical $717), it is bigger than 10% of them (992 ft² against a typical 1,654 ft²), its lot is bigger than 3% of them (2,352 ft² against a typical 0.11 ac) and it is newer than 44% of them (1925 against a typical 1933). Measured against all of Alameda County, it is worth more than 44% 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 1735 Union St, Alameda, CA?

The 2025 property tax bill for 1735 Union St, Alameda, CA was $14,651. The county assessed it at $943,000.

Closest homes

More homes in Alameda 94501

Assigned schools

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