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Single Family ResidenceResidential
$1,553,263$1,618 / 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 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

1231 TILIA ST

SAN MATEO, CA 94402
2
Beds
1
Baths
960 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1952
Year BuiltThe year the home was originally built, according to county records.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.6M
$1.4M low$1.7M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,147 (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.$109,582 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$36,265
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$73,317
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$107,434
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,815,390

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountySAN MATEO
Lot (acres)The size of the land the home sits on, from county records.0.12
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
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
Borel Middle SchoolB
Middle · Grades 6–8 · 0.2 mi
H
Aragon High SchoolA
High · Grades 9–12 · 0.3 mi
E
Baywood Elementary SchoolA-
Elementary · Grades KG–5 · 0.5 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

1231 Tilia 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 81% of homes in San Mateo 94402
  • Costs more per square foot than 96% of homes in Homestead
  • Smaller than 97% of homes in Homestead
  • Has a smaller lot than 95% of homes in Homestead
  • Older than 66% of homes in San Mateo County

What homes are worth in San Mateo 94402

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

This home
$826K$5.5M

This home is worth more than 19% of homes in San Mateo 94402.

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.

Estimated value$1,553,263
CheaperTypical $2,427,306Pricier

Pricier than 19% of homes nearby

Price per ft²$1618
CheaperTypical $1277Pricier

Pricier than 93% of homes nearby

Living area960 ft²
SmallerTypical 1,910 ft²Bigger

Bigger than 3% of homes nearby

Lot size0.11 ac
SmallerTypical 0.16 acBigger

Bigger than 15% of homes nearby

Year built1952
OlderTypical 1950Newer

Newer than 54% of homes nearby

How 1231 Tilia St ranks against every home in each area.
MeasureThis homeHomesteadSan Mateo 94402San Mateo County
Estimated valuepricier than$1,553,26323% of homes19% of homes54% of homes
Price per ft²pricier than$161896% of homes93% of homes91% of homes
Living areabigger than960 ft²3% of homes3% of homes8% of homes
Lot sizebigger than0.11 ac5% of homes15% of homes24% of homes
Year builtnewer than195265% of homes54% of homes34% of homes

About 1231 Tilia St

How much is 1231 Tilia St, San Mateo, CA worth?

The TopHap Estimate for 1231 Tilia St, San Mateo, CA is $1,553,263 as of Oct 21, 2026. The likely range is $1,379,821 to $1,726,705. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1231 Tilia St, San Mateo, CA last sell?

1231 Tilia St, San Mateo, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 1231 Tilia St, San Mateo, CA?

1231 Tilia St, San Mateo, CA has 2 bedrooms, 1 bathrooms, 960 square feet of living space and a 0.12-acre lot.

When was 1231 Tilia St, San Mateo, CA built?

1231 Tilia St, San Mateo, CA was built in 1952, making it 74 years old.

What schools serve 1231 Tilia St, San Mateo, CA?

1231 Tilia St, 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 1231 Tilia St, San Mateo, CA compare to other homes in San Mateo 94402?

Among the 7,885 homes in San Mateo 94402, it is worth more than 19% of them ($1,553,263 against a typical $2,427,306), its price per square foot is higher than 93% of them ($1618 against a typical $1277), it is bigger than 3% of them (960 ft² against a typical 1,910 ft²), its lot is bigger than 15% of them (0.11 ac against a typical 0.16 ac) and it is newer than 54% of them (1952 against a typical 1950). Measured against all of San Mateo County, it is worth more than 54% 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 1231 Tilia St, San Mateo, CA?

The 2025 property tax bill for 1231 Tilia St, San Mateo, CA was $3,147. The county assessed it at $109,582.

More homes on Tilia St

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