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Single Family ResidenceResidential
$2,959,015$820 / 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 87How 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 $1,599,000 on Jul 24, 2015

134 N ELLSWORTH AVE

SAN MATEO, CA 94401
7
Beds
4
Baths
3,610 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
15
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
483
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$3M
$2.6M low$3.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,599,000 · Jul 24, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$27,044 (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.$1,930,738 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$965,369
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$965,369
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,892,882
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,294,460

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.9 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.0.2 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
CountySAN MATEO
Lot (acres)The size of the land the home sits on, from county records.0.12
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
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(8)

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.

H
San Mateo High SchoolA
High · Grades 9–12 · 0.5 mi
E
San Mateo Park Elementary SchoolD-
Elementary · Grades KG–5 · 0.8 mi
M
Borel Middle SchoolA-
Middle · Grades 6–8 · 1.4 mi

District: San Mateo-Foster City Elementary School District

Neighborhood · ZIP 94401These 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.105
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.537

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.32,992
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,021 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$113,608
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$152,157
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.20 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

134 N Ellsworth Ave 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.

  • Among the most valuable homes in Downtown San Mateo
  • Costs more per square foot than 72% of homes in Downtown San Mateo
  • Bigger than 95% of homes in San Mateo 94401
  • Has a smaller lot than 83% of homes in Downtown San Mateo
  • Among the oldest homes in San Mateo County

What homes are worth in San Mateo 94401

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

This home
$358K$2.5M

This home is worth more than almost all homes in San Mateo 94401.

How it measures up in San Mateo 94401

The dot is this home. The mark in the middle is the typical home in San Mateo 94401.

Estimated value$2,959,015
CheaperTypical $1,136,540Pricier

Pricier than almost all homes nearby

Price per ft²$820
CheaperTypical $829Pricier

Pricier than 49% of homes nearby

Living area3,610 ft²
SmallerTypical 1,230 ft²Bigger

Bigger than 95% of homes nearby

Lot size0.12 ac
SmallerTypical 0.17 acBigger

Bigger than 24% of homes nearby

Year built1910
OlderTypical 1954Newer

Newer than 4% of homes nearby

How 134 N Ellsworth Ave ranks against every home in each area.
MeasureThis homeDowntown San MateoSan Mateo 94401San Mateo County
Estimated valuepricier than$2,959,015almost all homesalmost all homes86% of homes
Price per ft²pricier than$82072% of homes49% of homes33% of homes
Living areabigger than3,610 ft²89% of homes95% of homes94% of homes
Lot sizebigger than0.12 ac17% of homes24% of homes34% of homes
Year builtnewer than19106% of homes4% of homesalmost no homes

About 134 N Ellsworth Ave

How much is 134 N Ellsworth Ave, San Mateo, CA worth?

The TopHap Estimate for 134 N Ellsworth Ave, San Mateo, CA is $2,959,015 as of Aug 30, 2026. The likely range is $2,573,047 to $3,344,983. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 134 N Ellsworth Ave, San Mateo, CA last sell?

134 N Ellsworth Ave, San Mateo, CA last sold on Jul 24, 2015 for $1,599,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 134 N Ellsworth Ave, San Mateo, CA?

134 N Ellsworth Ave, San Mateo, CA has 7 bedrooms, 4 bathrooms, 3,610 square feet of living space and a 0.12-acre lot.

When was 134 N Ellsworth Ave, San Mateo, CA built?

134 N Ellsworth Ave, San Mateo, CA was built in 1910, making it 116 years old. The building has 2 stories.

What schools serve 134 N Ellsworth Ave, San Mateo, CA?

134 N Ellsworth Ave, San Mateo, CA is assigned to San Mateo High School (high), rated A; San Mateo Park Elementary School (elementary), rated D-; Borel Middle School (middle), 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 134 N Ellsworth Ave, San Mateo, CA compare to other homes in San Mateo 94401?

Among the 8,111 homes in San Mateo 94401, it is worth more than almost all of them ($2,959,015 against a typical $1,136,540), its price per square foot is higher than 49% of them ($820 against a typical $829), it is bigger than 95% of them (3,610 ft² against a typical 1,230 ft²), its lot is bigger than 24% of them (0.12 ac against a typical 0.17 ac) and it is newer than 4% of them (1910 against a typical 1954). Measured against all of San Mateo County, it is worth more than 86% 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 134 N Ellsworth Ave, San Mateo, CA?

The 2025 property tax bill for 134 N Ellsworth Ave, San Mateo, CA was $27,044. The county assessed it at $1,930,738.

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