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Single Family ResidenceResidential
$2,433,868$1,830 / 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

520 FREMONT ST

MENLO PARK, CA 94025
3
Beds
2
Baths
1,330 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.
1948
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
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

$2.4M
$2.3M low$2.6M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,329 (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.$113,815 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$37,491
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$76,324
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$111,584
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,377,530

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.11 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.minimal

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
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(5)

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
Hillview Middle SchoolA+
Middle · Grades 6–8 · 0.8 mi
E
Oak Knoll Elementary SchoolA+
Elementary · Grades KG–5 · 1.1 mi
H
Menlo-Atherton High SchoolA
High · Grades 9–12 · 1.2 mi

District: Sequoia Union High School District

Neighborhood · ZIP 94025These 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.88
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.479

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.7%
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.42,213
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,604 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$188,459
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$255,396
Average tempThe average temperature here across a full year.59°F
Annual precipHow much rain and melted snow falls here in a typical year.18 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

520 Fremont 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 98% of homes in Central Menlo Park
  • Costs more per square foot than 95% of homes in San Mateo County
  • Smaller than 97% of homes in Central Menlo Park
  • Has a smaller lot than 98% of homes in Central Menlo Park
  • Older than 80% of homes in Central Menlo Park

What homes are worth in Menlo Park 94025

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

This home
$965K$9.3M

This home is worth more than 40% of homes in Menlo Park 94025.

How it measures up in Menlo Park 94025

The dot is this home. The mark in the middle is the typical home in Menlo Park 94025.

Estimated value$2,433,868
CheaperTypical $2,881,247Pricier

Pricier than 40% of homes nearby

Price per ft²$1830
CheaperTypical $1586Pricier

Pricier than 66% of homes nearby

Living area1,330 ft²
SmallerTypical 1,880 ft²Bigger

Bigger than 25% of homes nearby

Lot size0.12 ac
SmallerTypical 0.17 acBigger

Bigger than 16% of homes nearby

Year built1948
OlderTypical 1954Newer

Newer than 28% of homes nearby

How 520 Fremont St ranks against every home in each area.
MeasureThis homeCentral Menlo ParkMenlo Park 94025San Mateo County
Estimated valuepricier than$2,433,8682% of homes40% of homes77% of homes
Price per ft²pricier than$183016% of homes66% of homes95% of homes
Living areabigger than1,330 ft²3% of homes25% of homes33% of homes
Lot sizebigger than0.12 ac2% of homes16% of homes36% of homes
Year builtnewer than194820% of homes28% of homes23% of homes

About 520 Fremont St

How much is 520 Fremont St, Menlo Park, CA worth?

The TopHap Estimate for 520 Fremont St, Menlo Park, CA is $2,433,868 as of Oct 21, 2026. The likely range is $2,304,055 to $2,563,681. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 520 Fremont St, Menlo Park, CA last sell?

520 Fremont St, Menlo Park, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 520 Fremont St, Menlo Park, CA?

520 Fremont St, Menlo Park, CA has 3 bedrooms, 2 bathrooms, 1,330 square feet of living space and a 0.12-acre lot.

When was 520 Fremont St, Menlo Park, CA built?

520 Fremont St, Menlo Park, CA was built in 1948, making it 78 years old. The building has 1 story.

What schools serve 520 Fremont St, Menlo Park, CA?

520 Fremont St, Menlo Park, CA is assigned to Hillview Middle School (middle), rated A+; Oak Knoll Elementary School (elementary), rated A+; 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 520 Fremont St, Menlo Park, CA compare to other homes in Menlo Park 94025?

Among the 12,142 homes in Menlo Park 94025, it is worth more than 40% of them ($2,433,868 against a typical $2,881,247), its price per square foot is higher than 66% of them ($1830 against a typical $1586), it is bigger than 25% of them (1,330 ft² against a typical 1,880 ft²), its lot is bigger than 16% of them (0.12 ac against a typical 0.17 ac) and it is newer than 28% of them (1948 against a typical 1954). Measured against all of San Mateo County, it is worth more than 77% 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 520 Fremont St, Menlo Park, CA?

The 2025 property tax bill for 520 Fremont St, Menlo Park, CA was $4,329. The county assessed it at $113,815.

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