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Single Family ResidenceResidential
$850,000$757 / 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 80How 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 $265,000 on Jul 2, 2010

11508 OLD RIVER SCHOOL RD

DOWNEY, CA 90241
3
Beds
2
Baths
1,123 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1951
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$850K
$684K low$1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$265,000 · Jul 2, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,437 (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.$346,288 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$277,034
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$69,254
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$339,499

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.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.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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyLOS ANGELES
Lot (acres)The size of the land the home sits on, from county records.0.13
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Floor/Wall Furnace
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(10)

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(2)

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 · 0.1 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

11508 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.

  • Worth more than 77% of homes in Rancho Santa Gertrudes
  • Costs more per square foot than 97% of homes in Downey 90241
  • Smaller than 86% of homes in Downey 90241
  • Has a smaller lot than 88% of homes in Downey 90241

What homes are worth in Downey 90241

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

This home
$317K$1.7M

This home is worth more than 50% of homes in Downey 90241.

How it measures up in Downey 90241

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

Estimated value$850,000
CheaperTypical $852,111Pricier

Pricier than 50% of homes nearby

Price per ft²$757
CheaperTypical $529Pricier

Pricier than 97% of homes nearby

Living area1,123 ft²
SmallerTypical 1,684 ft²Bigger

Bigger than 14% of homes nearby

Lot size0.12 ac
SmallerTypical 0.17 acBigger

Bigger than 12% of homes nearby

Year built1951
OlderTypical 1952Newer

Newer than 45% of homes nearby

How 11508 Old River School Rd ranks against every home in each area.
MeasureThis homeRancho Santa GertrudesDowney 90241Los Angeles County
Estimated valuepricier than$850,00077% of homes50% of homes53% of homes
Price per ft²pricier than$75795% of homes97% of homes79% of homes
Living areabigger than1,123 ft²24% of homes14% of homes19% of homes
Lot sizebigger than0.12 ac29% of homes12% of homes18% of homes
Year builtnewer than195149% of homes45% of homes36% of homes

About 11508 Old River School Rd

How much is 11508 Old River School Rd, Downey, CA worth?

The TopHap Estimate for 11508 Old River School Rd, Downey, CA is $850,000 as of Aug 30, 2026. The likely range is $683,573 to $1,016,427. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 11508 Old River School Rd, Downey, CA last sell?

11508 Old River School Rd, Downey, CA last sold on Jul 2, 2010 for $265,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 11508 Old River School Rd, Downey, CA?

11508 Old River School Rd, Downey, CA has 3 bedrooms, 2 bathrooms, 1,123 square feet of living space and a 0.13-acre lot.

When was 11508 Old River School Rd, Downey, CA built?

11508 Old River School Rd, Downey, CA was built in 1951, making it 75 years old. It is a conventional home. The building has 1 story.

What schools serve 11508 Old River School Rd, Downey, CA?

11508 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 11508 Old River School Rd, Downey, CA compare to other homes in Downey 90241?

Among the 8,188 homes in Downey 90241, it is worth more than 50% of them ($850,000 against a typical $852,111), its price per square foot is higher than 97% of them ($757 against a typical $529), it is bigger than 14% of them (1,123 ft² against a typical 1,684 ft²), its lot is bigger than 12% of them (0.12 ac against a typical 0.17 ac) and it is newer than 45% of them (1951 against a typical 1952). Measured against all of Los Angeles County, it is worth more than 53% 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 11508 Old River School Rd, Downey, CA?

The 2025 property tax bill for 11508 Old River School Rd, Downey, CA was $4,437. The county assessed it at $346,288.

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