Skip to content
Skip to content
TopHapOpen in map
CondominiumResidential
$561,186$421 / 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 98How 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 $165,000 on Apr 7, 2000

21 ROCK CLIFF PL

POMONA, CA 91766
2
Beds
3
Baths
1,332 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.
2.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1987
Year BuiltThe year the home was originally built, according to county records.

Valuation

$561K
$552K low$571K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$165,000 · Apr 7, 2000

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,693 (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.$258,643 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$52,033
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$206,610
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$253,572

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.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.possible but undetermined

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyLOS ANGELES
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(7)

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.

H
Diamond Ranch High SchoolA-
High · Grades 9–12 · 0.6 mi
E
Pantera Elementary SchoolA+
Elementary · Grades KG–6 · 1.5 mi
M
Lorbeer Middle SchoolC+
Middle · Grades 7–8 · 2.2 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

21 Rock Cliff Pl 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 86% of homes in Los Angeles County
  • Costs less per square foot than 86% of homes in Los Angeles County
  • Smaller than 67% of homes in Los Angeles County
  • Has a bigger lot than 94% of homes in Los Angeles County
  • Newer than 83% of homes in Los Angeles County

What homes are worth in Pomona 91766

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

This home
$408K$1.2M

This home is worth more than 28% 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.

Estimated value$561,186
CheaperTypical $634,970Pricier

Pricier than 28% of homes nearby

Price per ft²$421
CheaperTypical $469Pricier

Pricier than 25% of homes nearby

Living area1,332 ft²
SmallerTypical 1,392 ft²Bigger

Bigger than 47% of homes nearby

Lot size2.2 ac
SmallerTypical 0.17 acBigger

Bigger than 91% of homes nearby

Year built1987
OlderTypical 1972Newer

Newer than 81% of homes nearby

How 21 Rock Cliff Pl ranks against every home in each area.
MeasureThis homePomona 91766Los Angeles County
Estimated valuepricier than$561,18628% of homes14% of homes
Price per ft²pricier than$42125% of homes14% of homes
Living areabigger than1,332 ft²47% of homes33% of homes
Lot sizebigger than2.2 ac91% of homes94% of homes
Year builtnewer than198781% of homes83% of homes

About 21 Rock Cliff Pl

How much is 21 Rock Cliff Pl, Pomona, CA worth?

The TopHap Estimate for 21 Rock Cliff Pl, Pomona, CA is $561,186 as of Sep 24, 2026. The likely range is $551,824 to $570,548. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Rock Cliff Pl, Pomona, CA last sell?

21 Rock Cliff Pl, Pomona, CA last sold on Apr 7, 2000 for $165,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 21 Rock Cliff Pl, Pomona, CA?

21 Rock Cliff Pl, Pomona, CA has 2 bedrooms, 3 bathrooms and 1,332 square feet of living space.

When was 21 Rock Cliff Pl, Pomona, CA built?

21 Rock Cliff Pl, Pomona, CA was built in 1987, making it 39 years old. It is a condo/apartment home.

What schools serve 21 Rock Cliff Pl, Pomona, CA?

21 Rock Cliff Pl, Pomona, CA is assigned to Diamond Ranch High School (high), rated A-; Pantera Elementary School (elementary), rated A+; Lorbeer Middle School (middle), rated C+. All sit in Pomona Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Rock Cliff Pl, Pomona, CA compare to other homes in Pomona 91766?

Among the 14,361 homes in Pomona 91766, it is worth more than 28% of them ($561,186 against a typical $634,970), its price per square foot is higher than 25% of them ($421 against a typical $469), it is bigger than 47% of them (1,332 ft² against a typical 1,392 ft²), its lot is bigger than 91% of them (2.2 ac against a typical 0.17 ac) and it is newer than 81% of them (1987 against a typical 1972). Measured against all of Los Angeles County, it is worth more than 14% 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 21 Rock Cliff Pl, Pomona, CA?

The 2025 property tax bill for 21 Rock Cliff Pl, Pomona, CA was $3,693. The county assessed it at $258,643.

More homes on Rock Cliff Pl

Closest homes

More homes in Pomona 91766

Assigned schools

Explore the area

See this home in context

Open 21 Rock Cliff Pl 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