Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,077,946$806 / 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 91How 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 $422,000 on Mar 23, 2012

420 SUMNER AVE

APTOS, CA 95003
3
Beds
2
Baths
1,338 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.
1984
Year BuiltThe year the home was originally built, according to county records.
7
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

$1.1M
$982K low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$422,000 · Mar 23, 2012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,602 (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.$540,657 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$324,394
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$216,263
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$530,057
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$876,240

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.42
66
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.
50
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.
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.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
CountySANTA CRUZ
Lot (acres)The size of the land the home sits on, from county records.0.12
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.Composition 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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 372 ft²Patio · 372 ft²

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.

Foreclosure Filings(4)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Aptos Junior HighB-
Middle · Grades 7–8 · 0.9 mi
E
Rio Del Mar ElementaryA-
Elementary · Grades KG–6 · 1.1 mi
H
Aptos High SchoolB
High · Grades 9–12 · 1.9 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%

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

420 Sumner 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 less than 90% of homes in Seascape Golf Club
  • Costs more per square foot than 71% of homes in Seascape Golf Club
  • Smaller than 88% of homes in Seascape Golf Club
  • Has a smaller lot than 78% of homes in Seascape Golf Club
  • Newer than 87% of homes in Seascape Golf Club

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
$620K$4M

This home is worth more than 31% 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$1,077,946
CheaperTypical $1,273,598Pricier

Pricier than 31% of homes nearby

Price per ft²$806
CheaperTypical $728Pricier

Pricier than 63% of homes nearby

Living area1,338 ft²
SmallerTypical 1,686 ft²Bigger

Bigger than 28% of homes nearby

Lot size0.12 ac
SmallerTypical 0.14 acBigger

Bigger than 41% of homes nearby

Year built1984
OlderTypical 1976Newer

Newer than 72% of homes nearby

How 420 Sumner Ave ranks against every home in each area.
MeasureThis homeSeascape Golf ClubAptos 95003Santa Cruz County
Estimated valuepricier than$1,077,94610% of homes31% of homes51% of homes
Price per ft²pricier than$80671% of homes63% of homes71% of homes
Living areabigger than1,338 ft²12% of homes28% of homes37% of homes
Lot sizebigger than0.12 ac22% of homes41% of homes34% of homes
Year builtnewer than198487% of homes72% of homes74% of homes

About 420 Sumner Ave

How much is 420 Sumner Ave, Aptos, CA worth?

The TopHap Estimate for 420 Sumner Ave, Aptos, CA is $1,077,946 as of Sep 24, 2026. The likely range is $982,247 to $1,173,645. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 420 Sumner Ave, Aptos, CA last sell?

420 Sumner Ave, Aptos, CA last sold on Mar 23, 2012 for $422,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 420 Sumner Ave, Aptos, CA?

420 Sumner Ave, Aptos, CA has 3 bedrooms, 2 bathrooms, 1,338 square feet of living space and a 0.12-acre lot.

When was 420 Sumner Ave, Aptos, CA built?

420 Sumner Ave, Aptos, CA was built in 1984, making it 42 years old.

What schools serve 420 Sumner Ave, Aptos, CA?

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

How does 420 Sumner Ave, Aptos, CA compare to other homes in Aptos 95003?

Among the 10,171 homes in Aptos 95003, it is worth more than 31% of them ($1,077,946 against a typical $1,273,598), its price per square foot is higher than 63% of them ($806 against a typical $728), it is bigger than 28% of them (1,338 ft² against a typical 1,686 ft²), its lot is bigger than 41% of them (0.12 ac against a typical 0.14 ac) and it is newer than 72% of them (1984 against a typical 1976). Measured against all of Santa Cruz County, it is worth more than 51% 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 420 Sumner Ave, Aptos, CA?

The 2025 property tax bill for 420 Sumner Ave, Aptos, CA was $7,602. The county assessed it at $540,657.

More homes on Sumner Ave

Closest homes

More homes in Aptos 95003

Assigned schools

Explore the area

See this home in context

Open 420 Sumner Ave 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