Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$915,507$597 / 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 96How 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 $197,000 on Jul 7, 1999

431 ACASO DR

WALNUT, CA 91789
3
Beds
2
Baths
1,533 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$916K
$881K low$950K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$197,000 · Jul 7, 1999

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,486 (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.$308,812 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$169,457
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$139,355
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$302,758

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.0.21
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.Wood Shingle
HeatingThe type of heating system in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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
Hollingworth Elementary SchoolA-
Elementary · Grades KG–6 · 0.6 mi
M
Stanley G. Oswalt AcademyA-
Middle · Grades KG–8 · 0.7 mi
H
Nogales High SchoolC
High · Grades 9–12 · 0.8 mi

District: Rowland Unified School District

Neighborhood · ZIP 91789These 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.33
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.413

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.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.45,013
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,690 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$110,530
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$137,487
Average tempThe average temperature here across a full year.64°F
Annual precipHow much rain and melted snow falls here in a typical year.18 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

431 Acaso Dr 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 79% of homes in Walnut 91789
  • Costs more per square foot than 67% of homes in Walnut 91789
  • Smaller than 79% of homes in Walnut 91789
  • Has a bigger lot than 66% of homes in Los Angeles County
  • Newer than 73% of homes in Los Angeles County

What homes are worth in Walnut 91789

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

This home
$489K$2.7M

This home is worth more than 21% of homes in Walnut 91789.

How it measures up in Walnut 91789

The dot is this home. The mark in the middle is the typical home in Walnut 91789.

Estimated value$915,507
CheaperTypical $1,118,500Pricier

Pricier than 21% of homes nearby

Price per ft²$597
CheaperTypical $566Pricier

Pricier than 67% of homes nearby

Living area1,533 ft²
SmallerTypical 1,986 ft²Bigger

Bigger than 21% of homes nearby

Lot size0.21 ac
SmallerTypical 0.23 acBigger

Bigger than 38% of homes nearby

Year built1977
OlderTypical 1983Newer

Newer than 37% of homes nearby

How 431 Acaso Dr ranks against every home in each area.
MeasureThis homeWalnut 91789Los Angeles County
Estimated valuepricier than$915,50721% of homes58% of homes
Price per ft²pricier than$59767% of homes55% of homes
Living areabigger than1,533 ft²21% of homes47% of homes
Lot sizebigger than0.21 ac38% of homes66% of homes
Year builtnewer than197737% of homes73% of homes

About 431 Acaso Dr

How much is 431 Acaso Dr, Walnut, CA worth?

The TopHap Estimate for 431 Acaso Dr, Walnut, CA is $915,507 as of Sep 24, 2026. The likely range is $881,461 to $949,553. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 431 Acaso Dr, Walnut, CA last sell?

431 Acaso Dr, Walnut, CA last sold on Jul 7, 1999 for $197,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 431 Acaso Dr, Walnut, CA?

431 Acaso Dr, Walnut, CA has 3 bedrooms, 2 bathrooms, 1,533 square feet of living space and a 0.21-acre lot.

When was 431 Acaso Dr, Walnut, CA built?

431 Acaso Dr, Walnut, CA was built in 1977, making it 49 years old. It is a conventional home. The building has 1 story.

What schools serve 431 Acaso Dr, Walnut, CA?

431 Acaso Dr, Walnut, CA is assigned to Hollingworth Elementary School (elementary), rated A-; Stanley G. Oswalt Academy (middle), rated A-; Nogales High School (high), rated C. All sit in Rowland Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 431 Acaso Dr, Walnut, CA compare to other homes in Walnut 91789?

Among the 13,202 homes in Walnut 91789, it is worth more than 21% of them ($915,507 against a typical $1,118,500), its price per square foot is higher than 67% of them ($597 against a typical $566), it is bigger than 21% of them (1,533 ft² against a typical 1,986 ft²), its lot is bigger than 38% of them (0.21 ac against a typical 0.23 ac) and it is newer than 37% of them (1977 against a typical 1983). Measured against all of Los Angeles County, it is worth more than 58% 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 431 Acaso Dr, Walnut, CA?

The 2025 property tax bill for 431 Acaso Dr, Walnut, CA was $4,486. The county assessed it at $308,812.

More homes on Acaso Dr

Closest homes

More homes in Walnut 91789

Assigned schools

Explore the area

See this home in context

Open 431 Acaso Dr 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