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Single Family ResidenceResidential
Last sold for $735,000 on Jan 15, 2016

421 CALLE ALTO ST

PASO ROBLES, CA 93446
5
Beds
3.5
Baths
3,646 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.
0.62 ac
Lot SizeThe size of the land the home sits on, from county records.
2016
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$735,000 · Jan 15, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,431 (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.$887,484 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$193,192
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$694,292
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$870,083

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.22
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
93
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
20
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
CountySAN LUIS OBISPO
Lot (acres)The size of the land the home sits on, from county records.0.62
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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.No

Transaction History(3)

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
Georgia Brown Elementary SchoolB
Elementary · Grades KG–5 · 0.2 mi
M
George H. Flamson Middle SchoolC
Middle · Grades 6–8 · 0.8 mi
H
Paso Robles High SchoolB+
High · Grades 9–12 · 2.8 mi

District: Paso Robles Joint Unified School District

Neighborhood · ZIP 93446These 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.94
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 100.281

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.88%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
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.45,714
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.102 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,535
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$122,829
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.75%

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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

421 Calle Alto 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.

  • Bigger than 96% of homes in Paso Robles 93446
  • Has a bigger lot than 77% of homes in San Luis Obispo County
  • Newer than 96% of homes in Paso Robles 93446

How it measures up in Paso Robles 93446

The dot is this home. The mark in the middle is the typical home in Paso Robles 93446.

Living area3,646 ft²
SmallerTypical 1,691 ft²Bigger

Bigger than 96% of homes nearby

Lot size0.62 ac
SmallerTypical 0.22 acBigger

Bigger than 70% of homes nearby

Year built2016
OlderTypical 1989Newer

Newer than 96% of homes nearby

How 421 Calle Alto St ranks against every home in each area.
MeasureThis homePaso Robles 93446San Luis Obispo County
Living areabigger than3,646 ft²96% of homes96% of homes
Lot sizebigger than0.62 ac70% of homes77% of homes
Year builtnewer than201696% of homes94% of homes

About 421 Calle Alto St

When did 421 Calle Alto St, Paso Robles, CA last sell?

421 Calle Alto St, Paso Robles, CA last sold on Jan 15, 2016 for $735,000, according to the county's recorded deed.

How big is 421 Calle Alto St, Paso Robles, CA?

421 Calle Alto St, Paso Robles, CA has 5 bedrooms, 3.5 bathrooms, 3,646 square feet of living space and a 0.62-acre lot.

When was 421 Calle Alto St, Paso Robles, CA built?

421 Calle Alto St, Paso Robles, CA was built in 2016, making it 10 years old. The building has 2 stories.

What schools serve 421 Calle Alto St, Paso Robles, CA?

421 Calle Alto St, Paso Robles, CA is assigned to Georgia Brown Elementary School (elementary), rated B; George H. Flamson Middle School (middle), rated C; Paso Robles High School (high), rated B+. All sit in Paso Robles Joint Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Calle Alto St, Paso Robles, CA compare to other homes in Paso Robles 93446?

Among the 16,449 homes in Paso Robles 93446, it is bigger than 96% of them (3,646 ft² against a typical 1,691 ft²), its lot is bigger than 70% of them (0.62 ac against a typical 0.22 ac) and it is newer than 96% of them (2016 against a typical 1989). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 421 Calle Alto St, Paso Robles, CA?

The 2025 property tax bill for 421 Calle Alto St, Paso Robles, CA was $10,431. The county assessed it at $887,484.

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Assigned schools

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