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Multi-Family Dwellings (Generic, Any Combination)Residential
Last sold for $6,900,000 on Sep 24, 2026

11523 OLD RIVER SCHOOL RD

DOWNEY, CA 90241
16
Beds
16
Baths
8,208 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.
0.34 ac
Lot SizeThe size of the land the home sits on, from county records.
1956
Year BuiltThe year the home was originally built, according to county records.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$6,900,000 · Sep 24, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$27,898 (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.$2,097,133 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$959,703
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,137,430
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$2,056,014

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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.1 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.Multi-Family Dwellings (Generic, Any Combination)
CountyLOS ANGELES
Lot (acres)The size of the land the home sits on, from county records.0.34
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

Transaction History(8)

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
Williams ElementaryA
Elementary · Grades KG–3 · 0.2 mi
M
Stauffer Middle SchoolB
Middle · Grades 6–8 · 0.6 mi
H
Warren High SchoolB
High · Grades 9–12 · 0.9 mi

District: Downey Unified School District

Neighborhood · ZIP 90241These 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.52
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 100.336

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.9%
PopulationHow many people live in this area.42,610
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,490 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$79,564
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$108,986
Average tempThe average temperature here across a full year.64°F
Annual precipHow much rain and melted snow falls here in a typical year.15 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

11523 Old River School 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.

  • Among the largest homes in Rancho Santa Gertrudes
  • Has a bigger lot than 92% of homes in Rancho Santa Gertrudes
  • Newer than 78% of homes in Rancho Santa Gertrudes

How it measures up in Downey 90241

The dot is this home. The mark in the middle is the typical home in Downey 90241.

Living area8,208 ft²
SmallerTypical 1,684 ft²Bigger

Bigger than 98% of homes nearby

Lot size0.34 ac
SmallerTypical 0.17 acBigger

Bigger than 88% of homes nearby

Year built1956
OlderTypical 1952Newer

Newer than 69% of homes nearby

How 11523 Old River School Rd ranks against every home in each area.
MeasureThis homeRancho Santa GertrudesDowney 90241Los Angeles County
Living areabigger than8,208 ft²almost all homes98% of homesalmost all homes
Lot sizebigger than0.34 ac92% of homes88% of homes79% of homes
Year builtnewer than195678% of homes69% of homes49% of homes

About 11523 Old River School Rd

When did 11523 Old River School Rd, Downey, CA last sell?

11523 Old River School Rd, Downey, CA last sold on Sep 24, 2026 for $6,900,000, according to the county's recorded deed.

How big is 11523 Old River School Rd, Downey, CA?

11523 Old River School Rd, Downey, CA has 16 bedrooms, 16 bathrooms, 8,208 square feet of living space and a 0.34-acre lot.

When was 11523 Old River School Rd, Downey, CA built?

11523 Old River School Rd, Downey, CA was built in 1956, making it 70 years old.

What schools serve 11523 Old River School Rd, Downey, CA?

11523 Old River School Rd, Downey, CA is assigned to Williams Elementary (elementary), rated A; Stauffer Middle School (middle), rated B; Warren High School (high), rated B. All sit in Downey Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 11523 Old River School Rd, Downey, CA compare to other homes in Downey 90241?

Among the 8,188 homes in Downey 90241, it is bigger than 98% of them (8,208 ft² against a typical 1,684 ft²), its lot is bigger than 88% of them (0.34 ac against a typical 0.17 ac) and it is newer than 69% of them (1956 against a typical 1952). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 11523 Old River School Rd, Downey, CA?

The 2025 property tax bill for 11523 Old River School Rd, Downey, CA was $27,898. The county assessed it at $2,097,133.

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Assigned schools

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