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Duplex (2 Units, Any Combination)Residential

9 SEVILLE WAY

SAN MATEO, CA 94402
2
Beds
2
Baths
1,720 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1939
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
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.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,966 (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.$134,260 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$45,029
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$89,231
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$131,629

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountySAN MATEO
Lot (acres)The size of the land the home sits on, from county records.0.13
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Borel Middle SchoolB
Middle · Grades 6–8 · 0.5 mi
H
Aragon High SchoolA
High · Grades 9–12 · 0.7 mi
E
Baywood Elementary SchoolA-
Elementary · Grades KG–5 · 0.7 mi

District: San Mateo-Foster City Elementary School District

Neighborhood · ZIP 94402These 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.91
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 100.595

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.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.26,204
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,919 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$171,813
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$232,257
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.24 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.66%

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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

9 Seville Way 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.

  • Smaller than 76% of homes in Aragon
  • Has a smaller lot than 85% of homes in Aragon
  • Older than 89% of homes in San Mateo County

How it measures up in San Mateo 94402

The dot is this home. The mark in the middle is the typical home in San Mateo 94402.

Living area1,720 ft²
SmallerTypical 1,920 ft²Bigger

Bigger than 38% of homes nearby

Lot size0.13 ac
SmallerTypical 0.16 acBigger

Bigger than 29% of homes nearby

Year built1939
OlderTypical 1950Newer

Newer than 27% of homes nearby

How 9 Seville Way ranks against every home in each area.
MeasureThis homeAragonSan Mateo 94402San Mateo County
Living areabigger than1,720 ft²24% of homes38% of homes56% of homes
Lot sizebigger than0.13 ac15% of homes29% of homes38% of homes
Year builtnewer than193966% of homes27% of homes11% of homes

About 9 Seville Way

When did 9 Seville Way, San Mateo, CA last sell?

9 Seville Way, San Mateo, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 9 Seville Way, San Mateo, CA?

9 Seville Way, San Mateo, CA has 2 bedrooms, 2 bathrooms, 1,720 square feet of living space and a 0.13-acre lot.

When was 9 Seville Way, San Mateo, CA built?

9 Seville Way, San Mateo, CA was built in 1939, making it 87 years old. It is a duplex single home. The building has 1 story.

What schools serve 9 Seville Way, San Mateo, CA?

9 Seville Way, San Mateo, CA is assigned to Borel Middle School (middle), rated B; Aragon High School (high), rated A; Baywood Elementary School (elementary), rated A-. All sit in San Mateo-Foster City Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9 Seville Way, San Mateo, CA compare to other homes in San Mateo 94402?

Among the 7,885 homes in San Mateo 94402, it is bigger than 38% of them (1,720 ft² against a typical 1,920 ft²), its lot is bigger than 29% of them (0.13 ac against a typical 0.16 ac) and it is newer than 27% of them (1939 against a typical 1950). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 9 Seville Way, San Mateo, CA?

The 2025 property tax bill for 9 Seville Way, San Mateo, CA was $4,966. The county assessed it at $134,260.

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