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Single Family ResidenceResidential
$2,153,262$1,219 / 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 Oct 21, 2026
Last sold for $1,380,000 on Jun 14, 2017

1431 ALAMEDA

SAN CARLOS, CA 94070
3
Beds
2
Baths
1,767 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.
1947
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
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

$2.2M
$2M low$2.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,380,000 · Jun 14, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$22,201 (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.$1,864,541 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,456,067
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$408,474
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,827,983
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,247,300

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
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(7)

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
Brittan Acres Elementary SchoolA+
Elementary · Grades KG–3 · 0.6 mi
M
Central Middle SchoolA+
Middle · Grades 6–8 · 0.9 mi
H
Sequoia High SchoolB
High · Grades 9–12 · 1.4 mi

District: Sequoia Union High School District

Neighborhood · ZIP 94070These 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.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.554

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.29,391
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,726 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$202,318
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$263,489
Average tempThe average temperature here across a full year.59°F
Annual precipHow much rain and melted snow falls here in a typical year.22 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

1431 Alameda 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 87% of homes in El Sereno Corte
  • Costs less per square foot than 94% of homes in El Sereno Corte
  • Has a smaller lot than 74% of homes in San Carlos 94070
  • Older than 80% of homes in San Mateo County

What homes are worth in San Carlos 94070

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

This home
$815K$4.5M

This home is worth more than 35% of homes in San Carlos 94070.

How it measures up in San Carlos 94070

The dot is this home. The mark in the middle is the typical home in San Carlos 94070.

Estimated value$2,153,262
CheaperTypical $2,448,126Pricier

Pricier than 35% of homes nearby

Price per ft²$1219
CheaperTypical $1299Pricier

Pricier than 41% of homes nearby

Living area1,767 ft²
SmallerTypical 1,816 ft²Bigger

Bigger than 47% of homes nearby

Lot size0.13 ac
SmallerTypical 0.16 acBigger

Bigger than 26% of homes nearby

Year built1947
OlderTypical 1955Newer

Newer than 27% of homes nearby

How 1431 Alameda ranks against every home in each area.
MeasureThis homeEl Sereno CorteSan Carlos 94070San Mateo County
Estimated valuepricier than$2,153,26213% of homes35% of homes70% of homes
Price per ft²pricier than$12196% of homes41% of homes72% of homes
Living areabigger than1,767 ft²55% of homes47% of homes57% of homes
Lot sizebigger than0.13 ac46% of homes26% of homes40% of homes
Year builtnewer than194752% of homes27% of homes20% of homes

About 1431 Alameda

How much is 1431 Alameda, San Carlos, CA worth?

The TopHap Estimate for 1431 Alameda, San Carlos, CA is $2,153,262 as of Oct 21, 2026. The likely range is $2,042,146 to $2,264,378. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1431 Alameda, San Carlos, CA last sell?

1431 Alameda, San Carlos, CA last sold on Jun 14, 2017 for $1,380,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 1431 Alameda, San Carlos, CA?

1431 Alameda, San Carlos, CA has 3 bedrooms, 2 bathrooms, 1,767 square feet of living space and a 0.13-acre lot.

When was 1431 Alameda, San Carlos, CA built?

1431 Alameda, San Carlos, CA was built in 1947, making it 79 years old. The building has 1 story.

What schools serve 1431 Alameda, San Carlos, CA?

1431 Alameda, San Carlos, CA is assigned to Brittan Acres Elementary School (elementary), rated A+; Central Middle School (middle), rated A+; Sequoia High School (high), rated B. All sit in Sequoia Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1431 Alameda, San Carlos, CA compare to other homes in San Carlos 94070?

Among the 10,520 homes in San Carlos 94070, it is worth more than 35% of them ($2,153,262 against a typical $2,448,126), its price per square foot is higher than 41% of them ($1219 against a typical $1299), it is bigger than 47% of them (1,767 ft² against a typical 1,816 ft²), its lot is bigger than 26% of them (0.13 ac against a typical 0.16 ac) and it is newer than 27% of them (1947 against a typical 1955). Measured against all of San Mateo County, it is worth more than 70% 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 1431 Alameda, San Carlos, CA?

The 2025 property tax bill for 1431 Alameda, San Carlos, CA was $22,201. The county assessed it at $1,864,541.

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Assigned schools

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