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Single Family ResidenceResidential
$674,223$758 / 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 95How 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 $445,000 on Nov 24, 2014

143 ASTER WAY

EAST PALO ALTO, CA 94303
3
Beds
1
Baths
890 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.
1952
Year BuiltThe year the home was originally built, according to county records.
1
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$674K
$642K low$707K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$445,000 · Nov 24, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,737 (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.$545,510 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$272,755
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$272,755
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$534,814
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$643,500

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.60 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
CountySAN MATEO
Lot (acres)The size of the land the home sits on, from county records.0.13
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(10)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(5)

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

E
Los Robles-Ronald McNair AcademyC-
Elementary · Grades KG–5 · 0.5 mi
M
Cesar Chavez Ravenswood Middle SchoolC-
Middle · Grades 6–8 · 1.7 mi
H
Menlo-Atherton High SchoolA-
High · Grades 9–12 · 2.7 mi

District: Sequoia Union High School District

Neighborhood · ZIP 94303These 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.84
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 100.435

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.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.1%
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.46,047
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,302 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$151,026
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$208,051
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.71%

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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

143 Aster 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.

  • Worth less than 97% of homes in Palo Alto 94303
  • Costs less per square foot than 76% of homes in San Mateo County
  • Smaller than 95% of homes in Palo Alto 94303
  • Has a smaller lot than 67% of homes in Palo Alto 94303
  • Older than 66% of homes in San Mateo County

What homes are worth in Palo Alto 94303

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

This home
$613K$6.2M

This home is worth more than 3% of homes in Palo Alto 94303.

How it measures up in Palo Alto 94303

The dot is this home. The mark in the middle is the typical home in Palo Alto 94303.

Estimated value$674,223
CheaperTypical $1,943,394Pricier

Pricier than 3% of homes nearby

Price per ft²$758
CheaperTypical $1202Pricier

Pricier than 25% of homes nearby

Living area890 ft²
SmallerTypical 1,557 ft²Bigger

Bigger than 5% of homes nearby

Lot size0.13 ac
SmallerTypical 0.14 acBigger

Bigger than 33% of homes nearby

Year built1952
OlderTypical 1954Newer

Newer than 42% of homes nearby

How 143 Aster Way ranks against every home in each area.
MeasureThis homePalo Alto 94303San Mateo County
Estimated valuepricier than$674,2233% of homes5% of homes
Price per ft²pricier than$75825% of homes24% of homes
Living areabigger than890 ft²5% of homes6% of homes
Lot sizebigger than0.13 ac33% of homes42% of homes
Year builtnewer than195242% of homes34% of homes

About 143 Aster Way

How much is 143 Aster Way, East Palo Alto, CA worth?

The TopHap Estimate for 143 Aster Way, East Palo Alto, CA is $674,223 as of Sep 24, 2026. The likely range is $641,864 to $706,582. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 143 Aster Way, East Palo Alto, CA last sell?

143 Aster Way, East Palo Alto, CA last sold on Nov 24, 2014 for $445,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 143 Aster Way, East Palo Alto, CA?

143 Aster Way, East Palo Alto, CA has 3 bedrooms, 1 bathrooms, 890 square feet of living space and a 0.13-acre lot.

When was 143 Aster Way, East Palo Alto, CA built?

143 Aster Way, East Palo Alto, CA was built in 1952, making it 74 years old. The building has 1 story.

What schools serve 143 Aster Way, East Palo Alto, CA?

143 Aster Way, East Palo Alto, CA is assigned to Los Robles-Ronald McNair Academy (elementary), rated C-; Cesar Chavez Ravenswood Middle School (middle), rated C-; Menlo-Atherton High School (high), rated A-. All sit in Sequoia Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 143 Aster Way, East Palo Alto, CA compare to other homes in Palo Alto 94303?

Among the 10,566 homes in Palo Alto 94303, it is worth more than 3% of them ($674,223 against a typical $1,943,394), its price per square foot is higher than 25% of them ($758 against a typical $1202), it is bigger than 5% of them (890 ft² against a typical 1,557 ft²), its lot is bigger than 33% of them (0.13 ac against a typical 0.14 ac) and it is newer than 42% of them (1952 against a typical 1954). Measured against all of San Mateo County, it is worth more than 5% 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 143 Aster Way, East Palo Alto, CA?

The 2025 property tax bill for 143 Aster Way, East Palo Alto, CA was $7,737. The county assessed it at $545,510.

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