Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$821,562$934 / 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 90How 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 $599,000 on Jan 15, 2021

23309 ALTA WAY

CHATSWORTH, CA 91311
2
Beds
1
Baths
880 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1966
Year BuiltThe year the home was originally built, according to county records.

Valuation

$822K
$742K low$901K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$599,000 · Jan 15, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,088 (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.$578,535 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$379,802
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$198,733
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$567,192

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyLOS ANGELES
Lot (acres)The size of the land the home sits on, from county records.0.15
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

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
Justice Street Academy Charter SchoolA
Elementary · Grades KG–5 · 1.7 mi
H
Chatsworth Charter High SchoolB-
High · Grades 9–12 · 3.0 mi
M
Hale Charter AcademyA-
Middle · Grades 6–8 · 4.4 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%

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

23309 Alta Way 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 65% of homes in Chatsworth Lake Manor
  • Among the highest price per square foot in Chatsworth 91311
  • Smaller than 97% of homes in Chatsworth 91311
  • Has a smaller lot than 92% of homes in Chatsworth 91311
  • Older than 66% of homes in Chatsworth 91311

What homes are worth in Chatsworth 91311

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

This home
$466K$2.7M

This home is worth more than 35% of homes in Chatsworth 91311.

How it measures up in Chatsworth 91311

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

Estimated value$821,562
CheaperTypical $917,694Pricier

Pricier than 35% of homes nearby

Price per ft²$934
CheaperTypical $467Pricier

Pricier than almost all homes nearby

Living area880 ft²
SmallerTypical 1,879 ft²Bigger

Bigger than 3% of homes nearby

Lot size0.15 ac
SmallerTypical 0.27 acBigger

Bigger than 8% of homes nearby

Year built1966
OlderTypical 1974Newer

Newer than 34% of homes nearby

How 23309 Alta Way ranks against every home in each area.
MeasureThis homeChatsworth Lake ManorChatsworth 91311Los Angeles County
Estimated valuepricier than$821,56265% of homes35% of homes48% of homes
Price per ft²pricier than$93496% of homesalmost all homes89% of homes
Living areabigger than880 ft²18% of homes3% of homes7% of homes
Lot sizebigger than0.15 ac62% of homes8% of homes36% of homes
Year builtnewer than196648% of homes34% of homes63% of homes

About 23309 Alta Way

How much is 23309 Alta Way, Chatsworth, CA worth?

The TopHap Estimate for 23309 Alta Way, Chatsworth, CA is $821,562 as of Sep 24, 2026. The likely range is $742,465 to $900,659. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23309 Alta Way, Chatsworth, CA last sell?

23309 Alta Way, Chatsworth, CA last sold on Jan 15, 2021 for $599,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 23309 Alta Way, Chatsworth, CA?

23309 Alta Way, Chatsworth, CA has 2 bedrooms, 1 bathrooms, 880 square feet of living space and a 0.15-acre lot.

When was 23309 Alta Way, Chatsworth, CA built?

23309 Alta Way, Chatsworth, CA was built in 1966, making it 60 years old.

What schools serve 23309 Alta Way, Chatsworth, CA?

23309 Alta Way, Chatsworth, CA is assigned to Justice Street Academy Charter School (elementary), rated A; Chatsworth Charter High School (high), rated B-; Hale Charter Academy (middle), rated A-. All sit in Los Angeles Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 23309 Alta Way, Chatsworth, CA compare to other homes in Chatsworth 91311?

Among the 11,364 homes in Chatsworth 91311, it is worth more than 35% of them ($821,562 against a typical $917,694), its price per square foot is higher than almost all of them ($934 against a typical $467), it is bigger than 3% of them (880 ft² against a typical 1,879 ft²), its lot is bigger than 8% of them (0.15 ac against a typical 0.27 ac) and it is newer than 34% of them (1966 against a typical 1974). Measured against all of Los Angeles County, it is worth more than 48% 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 23309 Alta Way, Chatsworth, CA?

The 2025 property tax bill for 23309 Alta Way, Chatsworth, CA was $7,088. The county assessed it at $578,535.

More homes on Alta Way

Closest homes

More homes in Chatsworth 91311

Assigned schools

Explore the area

See this home in context

Open 23309 Alta Way 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