Skip to content
Skip to content
TopHapOpen in map
Quadplex (4 Units, Any Combination)Residential
Last sold for $365,000 on Apr 28, 2017

661 W 4TH ST

POMONA, CA 91766
6
Beds
4
Baths
2,746 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.
0.18 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.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$365,000 · Apr 28, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,436 (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.$432,080 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$236,756
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$195,324
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$423,609

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.7 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.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Quadplex (4 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Quadraplex
CountyLOS ANGELES
Lot (acres)The size of the land the home sits on, from county records.0.18
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(11)

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(8)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Lopez Elementary SchoolD-
Elementary · Grades KG–6 · 0.3 mi
M
Fremont Academy of Engineering and DesignC-
Middle · Grades 7–12 · 1.1 mi

District: Pomona Unified School District

Neighborhood · ZIP 91766These 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.66
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.455

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.8%
PopulationHow many people live in this area.66,656
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,661 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$67,103
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$87,596
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

661 W 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.

  • Bigger than 94% of homes in Pomona 91766
  • Older than 75% of homes in Pomona 91766

How it measures up in Pomona 91766

The dot is this home. The mark in the middle is the typical home in Pomona 91766.

Living area2,746 ft²
SmallerTypical 1,383 ft²Bigger

Bigger than 94% of homes nearby

Lot size0.18 ac
SmallerTypical 0.17 acBigger

Bigger than 55% of homes nearby

Year built1951
OlderTypical 1972Newer

Newer than 25% of homes nearby

How 661 W 4th St ranks against every home in each area.
MeasureThis homePomona 91766Los Angeles County
Living areabigger than2,746 ft²94% of homes85% of homes
Lot sizebigger than0.18 ac55% of homes56% of homes
Year builtnewer than195125% of homes37% of homes

About 661 W 4th St

When did 661 W 4th St, Pomona, CA last sell?

661 W 4th St, Pomona, CA last sold on Apr 28, 2017 for $365,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 661 W 4th St, Pomona, CA?

661 W 4th St, Pomona, CA has 6 bedrooms, 4 bathrooms, 2,746 square feet of living space and a 0.18-acre lot.

When was 661 W 4th St, Pomona, CA built?

661 W 4th St, Pomona, CA was built in 1951, making it 75 years old. It is a quadraplex home.

What schools serve 661 W 4th St, Pomona, CA?

661 W 4th St, Pomona, CA is assigned to Lopez Elementary School (elementary), rated D-; Fremont Academy of Engineering and Design (middle), rated C-. All sit in Pomona Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 661 W 4th St, Pomona, CA compare to other homes in Pomona 91766?

Among the 14,362 homes in Pomona 91766, it is bigger than 94% of them (2,746 ft² against a typical 1,383 ft²), its lot is bigger than 55% of them (0.18 ac against a typical 0.17 ac) and it is newer than 25% of them (1951 against a typical 1972). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 661 W 4th St, Pomona, CA?

The 2025 property tax bill for 661 W 4th St, Pomona, CA was $6,436. The county assessed it at $432,080.

More homes on W 4th St

Closest homes

More homes in Pomona 91766

Assigned schools

Explore the area

See this home in context

Open 661 W 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