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Single Family ResidenceResidential
$719,056$903 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $385,000 on Mar 1, 2005

23521 ROCK HILL RD

CHATSWORTH, CA 91311
2
Beds
1
Baths
796 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.

Valuation

$719K
$664K low$774K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$385,000 · Mar 1, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,796 (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.$547,372 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$426,529
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$120,843
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$536,641

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.0.19
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(4)

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(5)

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 SchoolC
High · Grades 9–12 · 3.3 mi
M
Hale Charter AcademyA-
Middle · Grades 6–8 · 4.3 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

23521 Rock Hill Rd 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 72% of homes in Chatsworth 91311
  • Among the highest price per square foot in Chatsworth 91311
  • Smaller than 98% of homes in Chatsworth 91311
  • Has a bigger lot than 76% of homes in Chatsworth Lake Manor
  • Among the oldest 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
$458K$2.6M

This home is worth more than 28% 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$719,056
CheaperTypical $879,921Pricier

Pricier than 28% of homes nearby

Price per ft²$903
CheaperTypical $459Pricier

Pricier than almost all homes nearby

Living area796 ft²
SmallerTypical 1,875 ft²Bigger

Bigger than 2% of homes nearby

Lot size0.19 ac
SmallerTypical 0.27 acBigger

Bigger than 30% of homes nearby

Year built1930
OlderTypical 1975Newer

Older than almost all homes nearby

How 23521 Rock Hill Rd ranks against every home in each area.
MeasureThis homeChatsworth Lake ManorChatsworth 91311Los Angeles County
Estimated valuepricier than$719,05639% of homes28% of homes37% of homes
Price per ft²pricier than$90395% of homesalmost all homes88% of homes
Living areabigger than796 ft²13% of homes2% of homes4% of homes
Lot sizebigger than0.19 ac76% of homes30% of homes61% of homes
Year builtnewer than193011% of homesalmost no homes13% of homes

About 23521 Rock Hill Rd

How much is 23521 Rock Hill Rd, Chatsworth, CA worth?

The TopHap Estimate for 23521 Rock Hill Rd, Chatsworth, CA is $719,056 as of Aug 30, 2026. The likely range is $663,706 to $774,406. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23521 Rock Hill Rd, Chatsworth, CA last sell?

23521 Rock Hill Rd, Chatsworth, CA last sold on Mar 1, 2005 for $385,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 23521 Rock Hill Rd, Chatsworth, CA?

23521 Rock Hill Rd, Chatsworth, CA has 2 bedrooms, 1 bathrooms, 796 square feet of living space and a 0.19-acre lot.

When was 23521 Rock Hill Rd, Chatsworth, CA built?

23521 Rock Hill Rd, Chatsworth, CA was built in 1930, making it 96 years old.

What schools serve 23521 Rock Hill Rd, Chatsworth, CA?

23521 Rock Hill Rd, Chatsworth, CA is assigned to Justice Street Academy Charter School (elementary), rated A-; Chatsworth Charter High School (high), rated C; 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 23521 Rock Hill Rd, Chatsworth, CA compare to other homes in Chatsworth 91311?

Among the 11,363 homes in Chatsworth 91311, it is worth more than 28% of them ($719,056 against a typical $879,921), its price per square foot is higher than almost all of them ($903 against a typical $459), it is bigger than 2% of them (796 ft² against a typical 1,875 ft²), its lot is bigger than 30% of them (0.19 ac against a typical 0.27 ac) and it is newer than almost none of them (1930 against a typical 1975). Measured against all of Los Angeles County, it is worth more than 37% 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 23521 Rock Hill Rd, Chatsworth, CA?

The 2025 property tax bill for 23521 Rock Hill Rd, Chatsworth, CA was $6,796. The county assessed it at $547,372.

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