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CondominiumResidential
$1,038,685$804 / 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 93How 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 $825,000 on Sep 11, 2020

4457 WESTERLY CMN

FREMONT, CA 94538
3
Beds
3
Baths
1,292 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.
0.48 ac
Lot SizeThe size of the land the home sits on, from county records.
2007
Year BuiltThe year the home was originally built, according to county records.
3
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1M
$966K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$825,000 · Sep 11, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,064 (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.$903,707 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$271,112
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$632,595
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$885,993
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$938,790

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.2 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyALAMEDA
Lot (acres)The size of the land the home sits on, from county records.0.48
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(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
John M. Horner Middle SchoolA
Middle · Grades 6–8 · 0.2 mi
E
O. N. Hirsch Elementary SchoolA+
Elementary · Grades KG–5 · 0.3 mi
H
Irvington High SchoolA+
High · Grades 9–12 · 0.5 mi

District: Fremont Unified School District

Neighborhood · ZIP 94538These 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.65
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 100.620

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.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.67,745
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,952 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$137,410
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$160,880
Average tempThe average temperature here across a full year.59°F
Annual precipHow much rain and melted snow falls here in a typical year.16 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

4457 Westerly Cmn 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 Irvington
  • Costs more per square foot than 74% of homes in Alameda County
  • Smaller than 75% of homes in Irvington
  • Has a bigger lot than 89% of homes in Alameda County
  • Newer than 92% of homes in Alameda County

What homes are worth in Fremont 94538

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

This home
$465K$1.9M

This home is worth more than 22% of homes in Fremont 94538.

How it measures up in Fremont 94538

The dot is this home. The mark in the middle is the typical home in Fremont 94538.

Estimated value$1,038,685
CheaperTypical $1,237,688Pricier

Pricier than 22% of homes nearby

Price per ft²$804
CheaperTypical $870Pricier

Pricier than 42% of homes nearby

Living area1,292 ft²
SmallerTypical 1,375 ft²Bigger

Bigger than 39% of homes nearby

Lot size0.48 ac
SmallerTypical 0.14 acBigger

Bigger than 86% of homes nearby

Year built2007
OlderTypical 1963Newer

Newer than 85% of homes nearby

How 4457 Westerly Cmn ranks against every home in each area.
MeasureThis homeIrvingtonFremont 94538Alameda County
Estimated valuepricier than$1,038,68521% of homes22% of homes49% of homes
Price per ft²pricier than$80456% of homes42% of homes74% of homes
Living areabigger than1,292 ft²25% of homes39% of homes33% of homes
Lot sizebigger than0.48 ac81% of homes86% of homes89% of homes
Year builtnewer than200771% of homes85% of homes92% of homes

About 4457 Westerly Cmn

How much is 4457 Westerly Cmn, Fremont, CA worth?

The TopHap Estimate for 4457 Westerly Cmn, Fremont, CA is $1,038,685 as of Sep 24, 2026. The likely range is $966,434 to $1,110,936. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4457 Westerly Cmn, Fremont, CA last sell?

4457 Westerly Cmn, Fremont, CA last sold on Sep 11, 2020 for $825,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 4457 Westerly Cmn, Fremont, CA?

4457 Westerly Cmn, Fremont, CA has 3 bedrooms, 3 bathrooms, 1,292 square feet of living space and a 0.48-acre lot.

When was 4457 Westerly Cmn, Fremont, CA built?

4457 Westerly Cmn, Fremont, CA was built in 2007, making it 19 years old. The building has 3 stories.

What schools serve 4457 Westerly Cmn, Fremont, CA?

4457 Westerly Cmn, Fremont, CA is assigned to John M. Horner Middle School (middle), rated A; O. N. Hirsch Elementary School (elementary), rated A+; Irvington High School (high), rated A+. All sit in Fremont Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4457 Westerly Cmn, Fremont, CA compare to other homes in Fremont 94538?

Among the 15,978 homes in Fremont 94538, it is worth more than 22% of them ($1,038,685 against a typical $1,237,688), its price per square foot is higher than 42% of them ($804 against a typical $870), it is bigger than 39% of them (1,292 ft² against a typical 1,375 ft²), its lot is bigger than 86% of them (0.48 ac against a typical 0.14 ac) and it is newer than 85% of them (2007 against a typical 1963). Measured against all of Alameda County, it is worth more than 49% 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 4457 Westerly Cmn, Fremont, CA?

The 2025 property tax bill for 4457 Westerly Cmn, Fremont, CA was $11,064. The county assessed it at $903,707.

More homes on Westerly Cmn

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Assigned schools

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