Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,450,667$1,436 / 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 94How 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

409 CORNISH WAY

BELMONT, CA 94002
3
Beds
1
Baths
1,010 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.
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

$1.5M
$1.4M low$1.5M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,717 (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.$280,631 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$196,518
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$84,113
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$275,129
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,217,700

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
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(1)

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
Nesbit Elementary SchoolA-
Elementary · Grades KG–8 · 0.1 mi
H
Carlmont High SchoolA+
High · Grades 9–12 · 1.7 mi

District: Sequoia Union High School District

Neighborhood · ZIP 94002These 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.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.598

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.34%
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.1.2%
PopulationHow many people live in this area.27,900
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,367 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$172,695
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$212,627
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.25 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.66%

Owner Tools

Do you own this home?
Claim this home

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

409 Cornish 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 87% of homes in Belmont 94002
  • Costs more per square foot than 86% of homes in Belmont 94002
  • Smaller than 93% of homes in Belmont 94002
  • Has a smaller lot than 96% of homes in Sterling Downs
  • Older than 87% of homes in Sterling Downs

What homes are worth in Belmont 94002

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

This home
$699K$3.5M

This home is worth more than 13% of homes in Belmont 94002.

How it measures up in Belmont 94002

The dot is this home. The mark in the middle is the typical home in Belmont 94002.

Estimated value$1,450,667
CheaperTypical $2,097,826Pricier

Pricier than 13% of homes nearby

Price per ft²$1436
CheaperTypical $1157Pricier

Pricier than 86% of homes nearby

Living area1,010 ft²
SmallerTypical 1,820 ft²Bigger

Bigger than 7% of homes nearby

Lot size0.11 ac
SmallerTypical 0.16 acBigger

Bigger than 12% of homes nearby

Year built1952
OlderTypical 1960Newer

Newer than 24% of homes nearby

How 409 Cornish Way ranks against every home in each area.
MeasureThis homeSterling DownsBelmont 94002San Mateo County
Estimated valuepricier than$1,450,66722% of homes13% of homes49% of homes
Price per ft²pricier than$143674% of homes86% of homes85% of homes
Living areabigger than1,010 ft²26% of homes7% of homes11% of homes
Lot sizebigger than0.11 ac4% of homes12% of homes24% of homes
Year builtnewer than195213% of homes24% of homes34% of homes

About 409 Cornish Way

How much is 409 Cornish Way, Belmont, CA worth?

The TopHap Estimate for 409 Cornish Way, Belmont, CA is $1,450,667 as of Sep 24, 2026. The likely range is $1,357,334 to $1,544,000. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 409 Cornish Way, Belmont, CA last sell?

409 Cornish Way, Belmont, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 409 Cornish Way, Belmont, CA?

409 Cornish Way, Belmont, CA has 3 bedrooms, 1 bathrooms, 1,010 square feet of living space and a 0.12-acre lot.

When was 409 Cornish Way, Belmont, CA built?

409 Cornish Way, Belmont, CA was built in 1952, making it 74 years old. The building has 1 story.

What schools serve 409 Cornish Way, Belmont, CA?

409 Cornish Way, Belmont, CA is assigned to Nesbit Elementary School (elementary), rated A-; Carlmont 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 409 Cornish Way, Belmont, CA compare to other homes in Belmont 94002?

Among the 7,604 homes in Belmont 94002, it is worth more than 13% of them ($1,450,667 against a typical $2,097,826), its price per square foot is higher than 86% of them ($1436 against a typical $1157), it is bigger than 7% of them (1,010 ft² against a typical 1,820 ft²), its lot is bigger than 12% of them (0.11 ac against a typical 0.16 ac) and it is newer than 24% of them (1952 against a typical 1960). Measured against all of San Mateo County, it is worth more than 49% 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 409 Cornish Way, Belmont, CA?

The 2025 property tax bill for 409 Cornish Way, Belmont, CA was $4,717. The county assessed it at $280,631.

More homes on Cornish Way

Closest homes

More homes in Belmont 94002

Assigned schools

Explore the area

See this home in context

Open 409 Cornish Way on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map