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Duplex (2 Units, Any Combination)Residential

420 S CALIFORNIA AVE

MONROVIA, CA 91016
3
Beds
2
Baths
1,650 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1904
Year BuiltThe year the home was originally built, according to county records.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,224 (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.$191,974 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$86,383
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$105,591
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$188,211

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyLOS ANGELES
Lot (acres)The size of the land the home sits on, from county records.0.20
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

E
Wild Rose School of Creative ArtsB+
Elementary · Grades KG–5 · 0.2 mi
M
Clifton Middle SchoolB
Middle · Grades 6–8 · 0.3 mi
H
Monrovia High SchoolB+
High · Grades 9–12 · 1.3 mi

District: Monrovia Unified School District

Neighborhood · ZIP 91016These 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.97
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.694

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.95%
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.8.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.41,126
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,298 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$91,319
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$114,406
Average tempThe average temperature here across a full year.61°F
Annual precipHow much rain and melted snow falls here in a typical year.32 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

420 S California 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.

  • Has a bigger lot than 65% of homes in Los Angeles County
  • Among the oldest homes in Los Angeles County

How it measures up in Monrovia 91016

The dot is this home. The mark in the middle is the typical home in Monrovia 91016.

Living area1,650 ft²
SmallerTypical 1,548 ft²Bigger

Bigger than 58% of homes nearby

Lot size0.2 ac
SmallerTypical 0.18 acBigger

Bigger than 63% of homes nearby

Year built1904
OlderTypical 1951Newer

Older than almost all homes nearby

How 420 S California Ave ranks against every home in each area.
MeasureThis homeMonrovia 91016Los Angeles County
Living areabigger than1,650 ft²58% of homes54% of homes
Lot sizebigger than0.2 ac63% of homes65% of homes
Year builtnewer than1904almost no homesalmost no homes

About 420 S California Ave

When did 420 S California Ave, Monrovia, CA last sell?

420 S California Ave, Monrovia, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 420 S California Ave, Monrovia, CA?

420 S California Ave, Monrovia, CA has 3 bedrooms, 2 bathrooms, 1,650 square feet of living space and a 0.20-acre lot.

When was 420 S California Ave, Monrovia, CA built?

420 S California Ave, Monrovia, CA was built in 1904, making it 122 years old. It is a duplex single home.

What schools serve 420 S California Ave, Monrovia, CA?

420 S California Ave, Monrovia, CA is assigned to Wild Rose School of Creative Arts (elementary), rated B+; Clifton Middle School (middle), rated B; Monrovia High School (high), rated B+. All sit in Monrovia Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 420 S California Ave, Monrovia, CA compare to other homes in Monrovia 91016?

Among the 10,401 homes in Monrovia 91016, it is bigger than 58% of them (1,650 ft² against a typical 1,548 ft²), its lot is bigger than 63% of them (0.2 ac against a typical 0.18 ac) and it is newer than almost none of them (1904 against a typical 1951). 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 S California Ave, Monrovia, CA?

The 2025 property tax bill for 420 S California Ave, Monrovia, CA was $3,224. The county assessed it at $191,974.

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Assigned schools

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