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Duplex (2 Units, Any Combination)Residential

21031 CHATSWORTH ST

CHATSWORTH, CA 91311
4
Beds
4
Baths
3,529 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.
2.07 ac
Lot SizeThe size of the land the home sits on, from county records.
1924
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.$11,051 (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.$840,427 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$189,359
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$651,068
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$823,985

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.0.2 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.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyLOS ANGELES
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(9)

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
Germain Academy for Academic AchievementB
Elementary · Grades KG–5 · 0.5 mi
M
Ernest Lawrence Middle SchoolB-
Middle · Grades 6–8 · 0.8 mi
H
Chatsworth Charter High SchoolB-
High · Grades 9–12 · 1.0 mi

District: Los Angeles Unified School District

Neighborhood · ZIP 91311These 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.71
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.110
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.542

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.2%
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.39,425
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,548 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$107,306
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$137,663
Average tempThe average temperature here across a full year.63°F
Annual precipHow much rain and melted snow falls here in a typical year.20 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

21031 Chatsworth 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 92% of homes in Los Angeles County
  • Has a bigger lot than 94% of homes in Los Angeles County
  • Among the oldest homes in Chatsworth

How it measures up in Chatsworth 91311

The dot is this home. The mark in the middle is the typical home in Chatsworth 91311.

Living area3,529 ft²
SmallerTypical 1,875 ft²Bigger

Bigger than 91% of homes nearby

Lot size2.07 ac
SmallerTypical 0.27 acBigger

Bigger than 82% of homes nearby

Year built1924
OlderTypical 1974Newer

Older than almost all homes nearby

How 21031 Chatsworth St ranks against every home in each area.
MeasureThis homeChatsworthChatsworth 91311Los Angeles County
Living areabigger than3,529 ft²87% of homes91% of homes92% of homes
Lot sizebigger than2.07 ac84% of homes82% of homes94% of homes
Year builtnewer than1924almost no homesalmost no homes8% of homes

About 21031 Chatsworth St

When did 21031 Chatsworth St, Chatsworth, CA last sell?

21031 Chatsworth St, Chatsworth, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21031 Chatsworth St, Chatsworth, CA?

21031 Chatsworth St, Chatsworth, CA has 4 bedrooms, 4 bathrooms and 3,529 square feet of living space.

When was 21031 Chatsworth St, Chatsworth, CA built?

21031 Chatsworth St, Chatsworth, CA was built in 1924, making it 102 years old. It is a duplex single home.

What schools serve 21031 Chatsworth St, Chatsworth, CA?

21031 Chatsworth St, Chatsworth, CA is assigned to Germain Academy for Academic Achievement (elementary), rated B; Ernest Lawrence Middle School (middle), rated B-; Chatsworth Charter High School (high), rated B-. All sit in Los Angeles Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21031 Chatsworth St, Chatsworth, CA compare to other homes in Chatsworth 91311?

Among the 11,364 homes in Chatsworth 91311, it is bigger than 91% of them (3,529 ft² against a typical 1,875 ft²), its lot is bigger than 82% of them (2.07 ac against a typical 0.27 ac) and it is newer than almost none of them (1924 against a typical 1974). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 21031 Chatsworth St, Chatsworth, CA?

The 2025 property tax bill for 21031 Chatsworth St, Chatsworth, CA was $11,051. The county assessed it at $840,427.

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