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Single Family ResidenceResidential
$2,400,508$1,338 / 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 85How 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

3303 THOMAS DR

PALO ALTO, CA 94303
4
Beds
2
Baths
1,794 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1958
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$2.4M
$2M low$2.8M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,169 (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.$434,605 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$133,658
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$300,947
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$426,085

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.53
100
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
48
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
24
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
37
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
60
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.73 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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
CountySANTA CLARA
Lot (acres)The size of the land the home sits on, from county records.0.19
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Builtup (layered Asphalt)
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.None
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(2)

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
Palo Verde Elementary SchoolA+
Elementary · Grades KG–5 · 0.2 mi
M
Jane Lathrop Stanford Middle SchoolA+
Middle · Grades 6–8 · 0.9 mi
H
Henry M. Gunn High SchoolA+
High · Grades 9–12 · 2.5 mi

District: Palo Alto Unified 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

3303 Thomas Dr 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 Palo Verde
  • Costs more per square foot than 81% of homes in Santa Clara County
  • Has a bigger lot than 81% of homes in Palo Alto 94303
  • Older than 76% of homes in Santa Clara 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
$623K$6.2M

This home is worth more than 53% 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$2,400,508
CheaperTypical $1,956,527Pricier

Pricier than 53% of homes nearby

Price per ft²$1338
CheaperTypical $1195Pricier

Pricier than 54% of homes nearby

Living area1,794 ft²
SmallerTypical 1,560 ft²Bigger

Bigger than 64% of homes nearby

Lot size0.19 ac
SmallerTypical 0.14 acBigger

Bigger than 81% of homes nearby

Year built1958
OlderTypical 1954Newer

Newer than 67% of homes nearby

How 3303 Thomas Dr ranks against every home in each area.
MeasureThis homePalo VerdePalo Alto 94303Santa Clara County
Estimated valuepricier than$2,400,50813% of homes53% of homes78% of homes
Price per ft²pricier than$133821% of homes54% of homes81% of homes
Living areabigger than1,794 ft²47% of homes64% of homes58% of homes
Lot sizebigger than0.19 ac77% of homes81% of homes77% of homes
Year builtnewer than195860% of homes67% of homes24% of homes

About 3303 Thomas Dr

How much is 3303 Thomas Dr, Palo Alto, CA worth?

The TopHap Estimate for 3303 Thomas Dr, Palo Alto, CA is $2,400,508 as of Sep 24, 2026. The likely range is $2,041,034 to $2,759,982. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3303 Thomas Dr, Palo Alto, CA last sell?

3303 Thomas Dr, Palo Alto, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3303 Thomas Dr, Palo Alto, CA?

3303 Thomas Dr, Palo Alto, CA has 4 bedrooms, 2 bathrooms, 1,794 square feet of living space and a 0.19-acre lot.

When was 3303 Thomas Dr, Palo Alto, CA built?

3303 Thomas Dr, Palo Alto, CA was built in 1958, making it 68 years old. The building has 1 story.

What schools serve 3303 Thomas Dr, Palo Alto, CA?

3303 Thomas Dr, Palo Alto, CA is assigned to Palo Verde Elementary School (elementary), rated A+; Jane Lathrop Stanford Middle School (middle), rated A+; Henry M. Gunn High School (high), rated A+. All sit in Palo Alto Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3303 Thomas Dr, 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 53% of them ($2,400,508 against a typical $1,956,527), its price per square foot is higher than 54% of them ($1338 against a typical $1195), it is bigger than 64% of them (1,794 ft² against a typical 1,560 ft²), its lot is bigger than 81% of them (0.19 ac against a typical 0.14 ac) and it is newer than 67% of them (1958 against a typical 1954). Measured against all of Santa Clara County, it is worth more than 78% 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 3303 Thomas Dr, Palo Alto, CA?

The 2025 property tax bill for 3303 Thomas Dr, Palo Alto, CA was $5,169. The county assessed it at $434,605.

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