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Single Family ResidenceResidential
$2,599,339$1,189 / 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 Aug 30, 2026
Last sold for $530,000 on Mar 10, 1999

40386 SAN SEBASTIAN PL

FREMONT, CA 94539
5
Beds
3
Baths
2,186 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1968
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.

Valuation

$2.6M
$2.4M low$2.8M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$530,000 · Mar 10, 1999

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,453 (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.$840,453 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$254,236
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$593,217
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$823,838
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,119,860

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.0.19
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.Yes

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.

E
John Gomes Elementary SchoolA
Elementary · Grades KG–5 · 0.3 mi
M
William Hopkins Middle SchoolA+
Middle · Grades 6–8 · 0.7 mi
H
Mission San Jose High SchoolA+
High · Grades 9–12 · 1.1 mi

District: Fremont Unified School District

Neighborhood · ZIP 94539These 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.25
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 100.683

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.96%
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.3.5%
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.52,775
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,599 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$190,911
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$222,193
Average tempThe average temperature here across a full year.59°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

40386 San Sebastian 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 more than 97% of homes in Alameda County
  • Costs more per square foot than 98% of homes in Alameda County
  • Bigger than 77% of homes in Alameda County
  • Has a bigger lot than 73% of homes in Alameda County
  • Older than 76% of homes in Fremont 94539

What homes are worth in Fremont 94539

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

This home
$563K$4.2M

This home is worth more than 71% of homes in Fremont 94539.

How it measures up in Fremont 94539

The dot is this home. The mark in the middle is the typical home in Fremont 94539.

Estimated value$2,599,339
CheaperTypical $2,084,578Pricier

Pricier than 71% of homes nearby

Price per ft²$1189
CheaperTypical $980Pricier

Pricier than 83% of homes nearby

Living area2,186 ft²
SmallerTypical 2,029 ft²Bigger

Bigger than 58% of homes nearby

Lot size0.19 ac
SmallerTypical 0.18 acBigger

Bigger than 54% of homes nearby

Year built1968
OlderTypical 1979Newer

Newer than 24% of homes nearby

How 40386 San Sebastian Pl ranks against every home in each area.
MeasureThis homeKimber / GomesFremont 94539Alameda County
Estimated valuepricier than$2,599,33969% of homes71% of homes97% of homes
Price per ft²pricier than$118966% of homes83% of homes98% of homes
Living areabigger than2,186 ft²64% of homes58% of homes77% of homes
Lot sizebigger than0.19 ac71% of homes54% of homes73% of homes
Year builtnewer than196827% of homes24% of homes55% of homes

About 40386 San Sebastian Pl

How much is 40386 San Sebastian Pl, Fremont, CA worth?

The TopHap Estimate for 40386 San Sebastian Pl, Fremont, CA is $2,599,339 as of Aug 30, 2026. The likely range is $2,411,452 to $2,787,226. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 40386 San Sebastian Pl, Fremont, CA last sell?

40386 San Sebastian Pl, Fremont, CA last sold on Mar 10, 1999 for $530,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 40386 San Sebastian Pl, Fremont, CA?

40386 San Sebastian Pl, Fremont, CA has 5 bedrooms, 3 bathrooms, 2,186 square feet of living space and a 0.19-acre lot.

When was 40386 San Sebastian Pl, Fremont, CA built?

40386 San Sebastian Pl, Fremont, CA was built in 1968, making it 58 years old. The building has 2 stories.

What schools serve 40386 San Sebastian Pl, Fremont, CA?

40386 San Sebastian Pl, Fremont, CA is assigned to John Gomes Elementary School (elementary), rated A; William Hopkins Middle School (middle), rated A+; Mission San Jose 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 40386 San Sebastian Pl, Fremont, CA compare to other homes in Fremont 94539?

Among the 17,322 homes in Fremont 94539, it is worth more than 71% of them ($2,599,339 against a typical $2,084,578), its price per square foot is higher than 83% of them ($1189 against a typical $980), it is bigger than 58% of them (2,186 ft² against a typical 2,029 ft²), its lot is bigger than 54% of them (0.19 ac against a typical 0.18 ac) and it is newer than 24% of them (1968 against a typical 1979). Measured against all of Alameda County, it is worth more than 97% 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 40386 San Sebastian Pl, Fremont, CA?

The 2025 property tax bill for 40386 San Sebastian Pl, Fremont, CA was $10,453. The county assessed it at $840,453.

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