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Single Family ResidenceResidential
$645,122$606 / 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 93How 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

9521 UNDERWOOD ST

PICO RIVERA, CA 90660
3
Beds
1
Baths
1,065 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1948
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$645K
$603K low$688K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,765 (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.$60,440 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$28,467
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$31,973
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$59,256

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
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1950
Lot (acres)The size of the land the home sits on, from county records.0.16
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
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
South Ranchito Dual Language AcademyD+
Elementary · Grades KG–5 · 0.2 mi
M
North Park Academy of the ArtsD
Middle · Grades 6–8 · 0.8 mi
H
El Rancho High SchoolB-
High · Grades 9–12 · 1.1 mi

District: El Rancho Unified School District

Neighborhood · ZIP 90660These 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.54
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.109
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.348

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.59,514
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,966 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$77,356
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$101,995
Average tempThe average temperature here across a full year.65°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

9521 Underwood 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.

  • Worth less than 76% of homes in Rancho Paso de Bartolo
  • Costs more per square foot than 68% of homes in Pico Rivera 90660
  • Smaller than 85% of homes in Los Angeles County
  • Has a bigger lot than 77% of homes in Pico Rivera 90660
  • Older than 84% of homes in Pico Rivera 90660

What homes are worth in Pico Rivera 90660

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

This home
$508K$992K

This home is worth more than 28% of homes in Pico Rivera 90660.

How it measures up in Pico Rivera 90660

The dot is this home. The mark in the middle is the typical home in Pico Rivera 90660.

Estimated value$645,122
CheaperTypical $700,157Pricier

Pricier than 28% of homes nearby

Price per ft²$606
CheaperTypical $549Pricier

Pricier than 68% of homes nearby

Living area1,065 ft²
SmallerTypical 1,290 ft²Bigger

Bigger than 26% of homes nearby

Lot size0.16 ac
SmallerTypical 0.13 acBigger

Bigger than 77% of homes nearby

Year built1948
OlderTypical 1950Newer

Newer than 16% of homes nearby

How 9521 Underwood St ranks against every home in each area.
MeasureThis homeRancho Paso de BartoloPico Rivera 90660Los Angeles County
Estimated valuepricier than$645,12224% of homes28% of homes24% of homes
Price per ft²pricier than$60666% of homes68% of homes57% of homes
Living areabigger than1,065 ft²25% of homes26% of homes15% of homes
Lot sizebigger than0.16 ac73% of homes77% of homes43% of homes
Year builtnewer than194827% of homes16% of homes29% of homes

About 9521 Underwood St

How much is 9521 Underwood St, Pico Rivera, CA worth?

The TopHap Estimate for 9521 Underwood St, Pico Rivera, CA is $645,122 as of Sep 24, 2026. The likely range is $602,576 to $687,668. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9521 Underwood St, Pico Rivera, CA last sell?

9521 Underwood St, Pico Rivera, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 9521 Underwood St, Pico Rivera, CA?

9521 Underwood St, Pico Rivera, CA has 3 bedrooms, 1 bathrooms, 1,065 square feet of living space and a 0.16-acre lot.

When was 9521 Underwood St, Pico Rivera, CA built?

9521 Underwood St, Pico Rivera, CA was built in 1948, making it 78 years old. It is a conventional home. The building has 1 story.

What schools serve 9521 Underwood St, Pico Rivera, CA?

9521 Underwood St, Pico Rivera, CA is assigned to South Ranchito Dual Language Academy (elementary), rated D+; North Park Academy of the Arts (middle), rated D; El Rancho High School (high), rated B-. All sit in El Rancho Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9521 Underwood St, Pico Rivera, CA compare to other homes in Pico Rivera 90660?

Among the 13,677 homes in Pico Rivera 90660, it is worth more than 28% of them ($645,122 against a typical $700,157), its price per square foot is higher than 68% of them ($606 against a typical $549), it is bigger than 26% of them (1,065 ft² against a typical 1,290 ft²), its lot is bigger than 77% of them (0.16 ac against a typical 0.13 ac) and it is newer than 16% of them (1948 against a typical 1950). Measured against all of Los Angeles County, it is worth more than 24% 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 9521 Underwood St, Pico Rivera, CA?

The 2025 property tax bill for 9521 Underwood St, Pico Rivera, CA was $1,765. The county assessed it at $60,440.

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