Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,113,374$495 / 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 Oct 21, 2026
Last sold for $650,000 on Oct 21, 2014

8121 4TH ST

DOWNEY, CA 90241
4
Beds
3
Baths
2,251 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.
2014
Year BuiltThe year the home was originally built, according to county records.

Valuation

$1.1M
$1.1M low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$650,000 · Oct 21, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,858 (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.$795,591 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$434,327
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$361,264
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$779,992

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.0.16
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Rio Hondo ElementaryB
Elementary · Grades KG–5 · 0.5 mi
H
Warren High SchoolB
High · Grades 9–12 · 0.7 mi
M
Griffiths Middle SchoolB+
Middle · Grades 6–8 · 1.0 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%

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

8121 4th 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 more than 93% of homes in Rancho Santa Gertrudes
  • Costs less per square foot than 73% of homes in Rancho Santa Gertrudes
  • Bigger than 88% of homes in Rancho Santa Gertrudes
  • Has a bigger lot than 66% of homes in Rancho Santa Gertrudes
  • Among the newest homes in Rancho Santa Gertrudes

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
$315K$1.8M

This home is worth more than 83% 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$1,113,374
CheaperTypical $873,835Pricier

Pricier than 83% of homes nearby

Price per ft²$495
CheaperTypical $544Pricier

Pricier than 31% of homes nearby

Living area2,251 ft²
SmallerTypical 1,695 ft²Bigger

Bigger than 75% of homes nearby

Lot size0.16 ac
SmallerTypical 0.17 acBigger

Bigger than 39% of homes nearby

Year built2014
OlderTypical 1952Newer

Newer than 98% of homes nearby

How 8121 4th St ranks against every home in each area.
MeasureThis homeRancho Santa GertrudesDowney 90241Los Angeles County
Estimated valuepricier than$1,113,37493% of homes83% of homes71% of homes
Price per ft²pricier than$49527% of homes31% of homes30% of homes
Living areabigger than2,251 ft²88% of homes75% of homes76% of homes
Lot sizebigger than0.16 ac66% of homes39% of homes47% of homes
Year builtnewer than2014almost all homes98% of homes97% of homes

About 8121 4th St

How much is 8121 4th St, Downey, CA worth?

The TopHap Estimate for 8121 4th St, Downey, CA is $1,113,374 as of Oct 21, 2026. The likely range is $1,066,016 to $1,160,732. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8121 4th St, Downey, CA last sell?

8121 4th St, Downey, CA last sold on Oct 21, 2014 for $650,000, according to the county's recorded deed.

How big is 8121 4th St, Downey, CA?

8121 4th St, Downey, CA has 4 bedrooms, 3 bathrooms, 2,251 square feet of living space and a 0.16-acre lot.

When was 8121 4th St, Downey, CA built?

8121 4th St, Downey, CA was built in 2014, making it 12 years old.

What schools serve 8121 4th St, Downey, CA?

8121 4th St, Downey, CA is assigned to Rio Hondo Elementary (elementary), rated B; Warren High School (high), rated B; Griffiths Middle School (middle), rated B+. All sit in Downey Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8121 4th St, Downey, CA compare to other homes in Downey 90241?

Among the 8,213 homes in Downey 90241, it is worth more than 83% of them ($1,113,374 against a typical $873,835), its price per square foot is higher than 31% of them ($495 against a typical $544), it is bigger than 75% of them (2,251 ft² against a typical 1,695 ft²), its lot is bigger than 39% of them (0.16 ac against a typical 0.17 ac) and it is newer than 98% of them (2014 against a typical 1952). Measured against all of Los Angeles County, it is worth more than 71% 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 8121 4th St, Downey, CA?

The 2025 property tax bill for 8121 4th St, Downey, CA was $9,858. The county assessed it at $795,591.

More homes on 4th St

Closest homes

More homes in Downey 90241

Assigned schools

Explore the area

See this home in context

Open 8121 4th St 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