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Single Family ResidenceResidential
$3,928,780$2,483 / 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 76How 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 $932,000 on Aug 30, 2002

531 COLORADO AVE

PALO ALTO, CA 94306
3
Beds
3
Baths
1,582 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1951
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$3.9M
$3M low$4.9M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$932,000 · Aug 30, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$17,301 (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.$1,457,610 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,174,447
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$283,163
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,429,030

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.38
40
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
25
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
25
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
40
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.33 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
StyleThe architectural style of the home, such as ranch or colonial.Custom Design
CountySANTA CLARA
Lot (acres)The size of the land the home sits on, from county records.0.17
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.Wood Shingle
HeatingThe type of heating system in the home.Yes
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(6)

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
El Carmelo Elementary SchoolA+
Elementary · Grades KG–5 · 0.4 mi
M
Jane Lathrop Stanford Middle SchoolA+
Middle · Grades 6–8 · 1.1 mi
H
Palo Alto High SchoolA+
High · Grades 9–12 · 1.4 mi

District: Palo Alto Unified School District

Neighborhood · ZIP 94306These 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.120
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.475

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.93%
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.6.9%
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.27,466
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,685 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$179,976
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$241,563
Average tempThe average temperature here across a full year.59°F
Annual precipHow much rain and melted snow falls here in a typical year.17 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.73%

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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

531 Colorado Ave 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 more than 93% of homes in Santa Clara County
  • Among the highest price per square foot in Santa Clara County
  • Has a bigger lot than 67% of homes in Santa Clara County
  • Older than 88% of homes in Santa Clara County

What homes are worth in Palo Alto 94306

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

This home
$776K$6.2M

This home is worth more than 72% of homes in Palo Alto 94306.

How it measures up in Palo Alto 94306

The dot is this home. The mark in the middle is the typical home in Palo Alto 94306.

Estimated value$3,928,780
CheaperTypical $3,236,921Pricier

Pricier than 72% of homes nearby

Price per ft²$2483
CheaperTypical $1772Pricier

Pricier than 94% of homes nearby

Living area1,582 ft²
SmallerTypical 1,821 ft²Bigger

Bigger than 37% of homes nearby

Lot size0.17 ac
SmallerTypical 0.14 acBigger

Bigger than 65% of homes nearby

Year built1951
OlderTypical 1955Newer

Newer than 36% of homes nearby

How 531 Colorado Ave ranks against every home in each area.
MeasureThis homeMidtownPalo Alto 94306Santa Clara County
Estimated valuepricier than$3,928,78070% of homes72% of homes93% of homes
Price per ft²pricier than$248389% of homes94% of homesalmost all homes
Living areabigger than1,582 ft²37% of homes37% of homes45% of homes
Lot sizebigger than0.17 ac66% of homes65% of homes67% of homes
Year builtnewer than195130% of homes36% of homes12% of homes

About 531 Colorado Ave

How much is 531 Colorado Ave, Palo Alto, CA worth?

The TopHap Estimate for 531 Colorado Ave, Palo Alto, CA is $3,928,780 as of Sep 24, 2026. The likely range is $3,002,512 to $4,855,048. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 531 Colorado Ave, Palo Alto, CA last sell?

531 Colorado Ave, Palo Alto, CA last sold on Aug 30, 2002 for $932,000, according to the county's recorded deed.

How big is 531 Colorado Ave, Palo Alto, CA?

531 Colorado Ave, Palo Alto, CA has 3 bedrooms, 3 bathrooms, 1,582 square feet of living space and a 0.17-acre lot.

When was 531 Colorado Ave, Palo Alto, CA built?

531 Colorado Ave, Palo Alto, CA was built in 1951, making it 75 years old. It is a custom design home. The building has 1 story.

What schools serve 531 Colorado Ave, Palo Alto, CA?

531 Colorado Ave, Palo Alto, CA is assigned to El Carmelo Elementary School (elementary), rated A+; Jane Lathrop Stanford Middle School (middle), rated A+; Palo Alto 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 531 Colorado Ave, Palo Alto, CA compare to other homes in Palo Alto 94306?

Among the 7,942 homes in Palo Alto 94306, it is worth more than 72% of them ($3,928,780 against a typical $3,236,921), its price per square foot is higher than 94% of them ($2483 against a typical $1772), it is bigger than 37% of them (1,582 ft² against a typical 1,821 ft²), its lot is bigger than 65% of them (0.17 ac against a typical 0.14 ac) and it is newer than 36% of them (1951 against a typical 1955). Measured against all of Santa Clara County, it is worth more than 93% 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 531 Colorado Ave, Palo Alto, CA?

The 2025 property tax bill for 531 Colorado Ave, Palo Alto, CA was $17,301. The county assessed it at $1,457,610.

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