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Single Family ResidenceResidential
$1,314,755$909 / 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 97How 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 $457,500 on Oct 31, 2000

34798 SIWARD DR

FREMONT, CA 94555
3
Beds
2.5
Baths
1,446 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.
1,265 ft²
Lot SizeThe size of the land the home sits on, from county records.
1987
Year BuiltThe year the home was originally built, according to county records.
2
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

$1.3M
$1.3M low$1.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$457,500 · Oct 31, 2000

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,058 (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.$174,918 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$108,017
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$66,901
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$171,490
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,281,960

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.41
38
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
48
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
25
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
33
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
62
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.7 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.1 percent flood zone

Scores 0–100; higher = greater projected risk.

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.0.03
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
Forest Park Elementary SchoolA+
Elementary · Grades KG–5 · 0.5 mi
H
American High SchoolA+
High · Grades 9–12 · 1.5 mi
M
Thornton Middle SchoolA+
Middle · Grades 6–8 · 1.6 mi

District: Fremont Unified School District

Neighborhood · ZIP 94555These 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.22
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.445

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.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.7%
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.33,863
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,255 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$176,497
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$208,332
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

34798 Siward Dr 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 68% of homes in Fremont 94555
  • Costs more per square foot than 85% of homes in Alameda County
  • Among the smallest lots in Alameda County
  • Newer than 75% of homes in Alameda County

What homes are worth in Fremont 94555

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

This home
$478K$2.7M

This home is worth more than 32% of homes in Fremont 94555.

How it measures up in Fremont 94555

The dot is this home. The mark in the middle is the typical home in Fremont 94555.

Estimated value$1,314,755
CheaperTypical $1,505,305Pricier

Pricier than 32% of homes nearby

Price per ft²$909
CheaperTypical $932Pricier

Pricier than 44% of homes nearby

Living area1,446 ft²
SmallerTypical 1,537 ft²Bigger

Bigger than 39% of homes nearby

Lot size1,265 ft²
SmallerTypical 0.13 acBigger

Bigger than 4% of homes nearby

Year built1987
OlderTypical 1986Newer

Newer than 60% of homes nearby

How 34798 Siward Dr ranks against every home in each area.
MeasureThis homeArdenwoodFremont 94555Alameda County
Estimated valuepricier than$1,314,75535% of homes32% of homes67% of homes
Price per ft²pricier than$90944% of homes44% of homes85% of homes
Living areabigger than1,446 ft²38% of homes39% of homes42% of homes
Lot sizebigger than1,265 ft²3% of homes4% of homesalmost no homes
Year builtnewer than198740% of homes60% of homes75% of homes

About 34798 Siward Dr

How much is 34798 Siward Dr, Fremont, CA worth?

The TopHap Estimate for 34798 Siward Dr, Fremont, CA is $1,314,755 as of Sep 24, 2026. The likely range is $1,276,808 to $1,352,702. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 34798 Siward Dr, Fremont, CA last sell?

34798 Siward Dr, Fremont, CA last sold on Oct 31, 2000 for $457,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 34798 Siward Dr, Fremont, CA?

34798 Siward Dr, Fremont, CA has 3 bedrooms, 2.5 bathrooms, 1,446 square feet of living space and a 0.03-acre lot.

When was 34798 Siward Dr, Fremont, CA built?

34798 Siward Dr, Fremont, CA was built in 1987, making it 39 years old. The building has 2 stories.

What schools serve 34798 Siward Dr, Fremont, CA?

34798 Siward Dr, Fremont, CA is assigned to Forest Park Elementary School (elementary), rated A+; American High School (high), rated A+; Thornton Middle School (middle), rated A+. All sit in Fremont Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 34798 Siward Dr, Fremont, CA compare to other homes in Fremont 94555?

Among the 11,432 homes in Fremont 94555, it is worth more than 32% of them ($1,314,755 against a typical $1,505,305), its price per square foot is higher than 44% of them ($909 against a typical $932), it is bigger than 39% of them (1,446 ft² against a typical 1,537 ft²), its lot is bigger than 4% of them (1,265 ft² against a typical 0.13 ac) and it is newer than 60% of them (1987 against a typical 1986). Measured against all of Alameda County, it is worth more than 67% 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 34798 Siward Dr, Fremont, CA?

The 2025 property tax bill for 34798 Siward Dr, Fremont, CA was $2,058. The county assessed it at $174,918.

More homes on Siward Dr

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