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Mobile HomeResidential

9800 BASE LINE RD

RANCHO CUCAMONGA, CA 91701
Building report
4
Beds
2
Baths
1,900 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.
9.62 ac
Lot SizeThe size of the land the home sits on, from county records.
2003
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.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$812 (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.$81,300 (2026)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$81,300

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.24 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.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.Mobile Home
StyleThe architectural style of the home, such as ranch or colonial.Modular
CountySAN BERNARDINO
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 405 ft²Porch · 240 ft²

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

E
Alta Loma Elementary SchoolB+
Elementary · Grades KG–5 · 0.5 mi
H
Alta Loma High SchoolA-
High · Grades 9–12 · 1.2 mi
M
Alta Loma Junior High SchoolB-
Middle · Grades 6–8 · 1.7 mi

District: Chaffey Joint Union High School District

Neighborhood · ZIP 91701These 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.51
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.606

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.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.1%
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.40,046
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,720 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$105,932
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$128,957
Average tempThe average temperature here across a full year.61°F
Annual precipHow much rain and melted snow falls here in a typical year.24 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.68%

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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

9800 Base Line Rd 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 67% of homes in San Bernardino County
  • Among the largest lots in Rancho Cucamonga 91701
  • Newer than 97% of homes in Rancho Cucamonga 91701

How it measures up in Rancho Cucamonga 91701

The dot is this home. The mark in the middle is the typical home in Rancho Cucamonga 91701.

Living area1,900 ft²
SmallerTypical 1,848 ft²Bigger

Bigger than 55% of homes nearby

Lot size9.62 ac
SmallerTypical 0.17 acBigger

Bigger than almost all homes nearby

Year built2003
OlderTypical 1981Newer

Newer than 97% of homes nearby

How 9800 Base Line Rd ranks against every home in each area.
MeasureThis homeRancho Cucamonga 91701San Bernardino County
Living areabigger than1,900 ft²55% of homes67% of homes
Lot sizebigger than9.62 acalmost all homesalmost all homes
Year builtnewer than200397% of homes81% of homes

About 9800 Base Line Rd

When did 9800 Base Line Rd, Rancho Cucamonga, CA last sell?

9800 Base Line Rd, Rancho Cucamonga, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 9800 Base Line Rd, Rancho Cucamonga, CA?

9800 Base Line Rd, Rancho Cucamonga, CA has 4 bedrooms, 2 bathrooms and 1,900 square feet of living space.

When was 9800 Base Line Rd, Rancho Cucamonga, CA built?

9800 Base Line Rd, Rancho Cucamonga, CA was built in 2003, making it 23 years old. It is a modular home. The building has 1 story.

What schools serve 9800 Base Line Rd, Rancho Cucamonga, CA?

9800 Base Line Rd, Rancho Cucamonga, CA is assigned to Alta Loma Elementary School (elementary), rated B+; Alta Loma High School (high), rated A-; Alta Loma Junior High School (middle), rated B-. All sit in Chaffey Joint Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9800 Base Line Rd, Rancho Cucamonga, CA compare to other homes in Rancho Cucamonga 91701?

Among the 12,002 homes in Rancho Cucamonga 91701, it is bigger than 55% of them (1,900 ft² against a typical 1,848 ft²), its lot is bigger than almost all of them (9.62 ac against a typical 0.17 ac) and it is newer than 97% of them (2003 against a typical 1981). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 9800 Base Line Rd, Rancho Cucamonga, CA?

The 2025 property tax bill for 9800 Base Line Rd, Rancho Cucamonga, CA was $812. The county assessed it at $81,300.

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