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Single Family ResidenceResidential
$1,532,534$535 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

520 ALTA DR

APTOS, CA 95003
3
Beds
3
Baths
2,865 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1963
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.5M
$1.4M low$1.7M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,024 (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.$405,430 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$137,369
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$268,061
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$397,481
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,423,440

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.29
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
38
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
23
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
53
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
33
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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
StyleThe architectural style of the home, such as ranch or colonial.Contemporary
CountySANTA CRUZ
Lot (acres)The size of the land the home sits on, from county records.0.22
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.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.Spa/Hot Tub (Only)
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 570 ft²Patio · 571 ft²

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.

M
Aptos Junior HighC
Middle · Grades 7–8 · 0.5 mi
E
Rio Del Mar ElementaryA+
Elementary · Grades KG–6 · 0.8 mi
H
Aptos High SchoolA-
High · Grades 9–12 · 1.3 mi

District: Pajaro Valley Joint Unified School District

Neighborhood · ZIP 95003These 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.108
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.423

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.83%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.8%
PopulationHow many people live in this area.24,334
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.691 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$133,307
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$167,097
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.28 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

520 Alta 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 more than 93% of homes in Deer Park Villas
  • Costs less per square foot than 90% of homes in Aptos 95003
  • Bigger than 97% of homes in Deer Park Villas
  • Has a bigger lot than 68% of homes in Aptos 95003
  • Older than 77% of homes in Aptos 95003

What homes are worth in Aptos 95003

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

This home
$606K$3.7M

This home is worth more than 73% of homes in Aptos 95003.

How it measures up in Aptos 95003

The dot is this home. The mark in the middle is the typical home in Aptos 95003.

Estimated value$1,532,534
CheaperTypical $1,234,285Pricier

Pricier than 73% of homes nearby

Price per ft²$535
CheaperTypical $706Pricier

Pricier than 10% of homes nearby

Living area2,865 ft²
SmallerTypical 1,687 ft²Bigger

Bigger than 89% of homes nearby

Lot size0.22 ac
SmallerTypical 0.15 acBigger

Bigger than 68% of homes nearby

Year built1963
OlderTypical 1976Newer

Newer than 23% of homes nearby

How 520 Alta Dr ranks against every home in each area.
MeasureThis homeDeer Park VillasAptos 95003Santa Cruz County
Estimated valuepricier than$1,532,53493% of homes73% of homes80% of homes
Price per ft²pricier than$53512% of homes10% of homes27% of homes
Living areabigger than2,865 ft²97% of homes89% of homes90% of homes
Lot sizebigger than0.22 ac64% of homes68% of homes67% of homes
Year builtnewer than196327% of homes23% of homes38% of homes

About 520 Alta Dr

How much is 520 Alta Dr, Aptos, CA worth?

The TopHap Estimate for 520 Alta Dr, Aptos, CA is $1,532,534 as of Aug 30, 2026. The likely range is $1,409,390 to $1,655,678. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 520 Alta Dr, Aptos, CA last sell?

520 Alta Dr, Aptos, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 520 Alta Dr, Aptos, CA?

520 Alta Dr, Aptos, CA has 3 bedrooms, 3 bathrooms, 2,865 square feet of living space and a 0.22-acre lot.

When was 520 Alta Dr, Aptos, CA built?

520 Alta Dr, Aptos, CA was built in 1963, making it 63 years old. It is a contemporary home. The building has 2 stories.

What schools serve 520 Alta Dr, Aptos, CA?

520 Alta Dr, Aptos, CA is assigned to Aptos Junior High (middle), rated C; Rio Del Mar Elementary (elementary), rated A+; Aptos High School (high), rated A-. All sit in Pajaro Valley Joint Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 520 Alta Dr, Aptos, CA compare to other homes in Aptos 95003?

Among the 10,171 homes in Aptos 95003, it is worth more than 73% of them ($1,532,534 against a typical $1,234,285), its price per square foot is higher than 10% of them ($535 against a typical $706), it is bigger than 89% of them (2,865 ft² against a typical 1,687 ft²), its lot is bigger than 68% of them (0.22 ac against a typical 0.15 ac) and it is newer than 23% of them (1963 against a typical 1976). Measured against all of Santa Cruz County, it is worth more than 80% 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 Alta Dr, Aptos, CA?

The 2025 property tax bill for 520 Alta Dr, Aptos, CA was $6,024. The county assessed it at $405,430.

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