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Single Family ResidenceResidential
$627,204$461 / 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 84How 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 $428,000 on Aug 1, 2018

9801 BOLTON AVE

MONTCLAIR, CA 91763
4
Beds
2
Baths
1,360 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1957
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$627K
$529K low$725K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$428,000 · Aug 1, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,250 (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.$486,992 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$170,447
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$316,545

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.Modern
CountySAN BERNARDINO
Lot (acres)The size of the land the home sits on, from county records.0.17
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Floor/Wall Furnace
CoolingThe type of cooling or air conditioning in the home.None
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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 · 336 ft²Porch · 336 ft²

Transaction History(12)

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(2)

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

H
Montclair High SchoolB
High · Grades 9–12 · 0.2 mi
E
Monte Vista Elementary SchoolB+
Elementary · Grades KG–6 · 0.4 mi
M
Serrano Middle SchoolB
Middle · Grades 7–8 · 0.6 mi

District: Ontario-Montclair Elementary School District

Neighborhood · ZIP 91763These 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.55
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 100.488

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.13%
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.1.6%
PopulationHow many people live in this area.39,683
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,093 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$71,003
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$89,046
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.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

9801 Bolton Ave 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 66% of homes in San Bernardino County
  • Costs more per square foot than 85% of homes in San Bernardino County
  • Smaller than 65% of homes in San Bernardino County
  • Has a smaller lot than 65% of homes in Montclair 91763
  • Older than 82% of homes in San Bernardino County

What homes are worth in Montclair 91763

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

This home
$398K$884K

This home is worth more than 49% of homes in Montclair 91763.

How it measures up in Montclair 91763

The dot is this home. The mark in the middle is the typical home in Montclair 91763.

Estimated value$627,204
CheaperTypical $628,958Pricier

Pricier than 49% of homes nearby

Price per ft²$461
CheaperTypical $435Pricier

Pricier than 64% of homes nearby

Living area1,360 ft²
SmallerTypical 1,424 ft²Bigger

Bigger than 44% of homes nearby

Lot size0.17 ac
SmallerTypical 0.17 acBigger

Bigger than 35% of homes nearby

Year built1957
OlderTypical 1961Newer

Newer than 39% of homes nearby

How 9801 Bolton Ave ranks against every home in each area.
MeasureThis homeMontclair 91763San Bernardino County
Estimated valuepricier than$627,20449% of homes66% of homes
Price per ft²pricier than$46164% of homes85% of homes
Living areabigger than1,360 ft²44% of homes35% of homes
Lot sizebigger than0.17 ac35% of homes38% of homes
Year builtnewer than195739% of homes18% of homes

About 9801 Bolton Ave

How much is 9801 Bolton Ave, Montclair, CA worth?

The TopHap Estimate for 9801 Bolton Ave, Montclair, CA is $627,204 as of Oct 21, 2026. The likely range is $529,431 to $724,977. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9801 Bolton Ave, Montclair, CA last sell?

9801 Bolton Ave, Montclair, CA last sold on Aug 1, 2018 for $428,000, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 9801 Bolton Ave, Montclair, CA?

9801 Bolton Ave, Montclair, CA has 4 bedrooms, 2 bathrooms, 1,360 square feet of living space and a 0.17-acre lot.

When was 9801 Bolton Ave, Montclair, CA built?

9801 Bolton Ave, Montclair, CA was built in 1957, making it 69 years old. It is a modern home. The building has 1 story.

What schools serve 9801 Bolton Ave, Montclair, CA?

9801 Bolton Ave, Montclair, CA is assigned to Montclair High School (high), rated B; Monte Vista Elementary School (elementary), rated B+; Serrano Middle School (middle), rated B. All sit in Ontario-Montclair Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9801 Bolton Ave, Montclair, CA compare to other homes in Montclair 91763?

Among the 7,606 homes in Montclair 91763, it is worth more than 49% of them ($627,204 against a typical $628,958), its price per square foot is higher than 64% of them ($461 against a typical $435), it is bigger than 44% of them (1,360 ft² against a typical 1,424 ft²), its lot is bigger than 35% of them (0.17 ac against a typical 0.17 ac) and it is newer than 39% of them (1957 against a typical 1961). Measured against all of San Bernardino County, it is worth more than 66% 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 9801 Bolton Ave, Montclair, CA?

The 2025 property tax bill for 9801 Bolton Ave, Montclair, CA was $5,250. The county assessed it at $486,992.

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