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Single Family ResidenceResidential
$790,433$362 / 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 89How 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 $570,000 on Apr 29, 2019

4509 HOWARD ST

MONTCLAIR, CA 91763
4
Beds
3
Baths
2,183 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.
0.49 ac
Lot SizeThe size of the land the home sits on, from county records.
1981
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$790K
$703K low$878K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$570,000 · Apr 29, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,905 (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.$834,655 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$310,085
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$524,570

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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Modern
CountySAN BERNARDINO
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1982
Lot (acres)The size of the land the home sits on, from county records.0.49
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.Tile
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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 · 38 ft²Porch · 38 ft²

Transaction History(5)

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
Howard Elementary SchoolB-
Elementary · Grades KG–6 · 0.2 mi
H
Montclair High SchoolB
High · Grades 9–12 · 1.5 mi
M
Oaks Middle SchoolB-
Middle · Grades 7–8 · 1.8 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

4509 Howard 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 Montclair 91763
  • Costs less per square foot than 80% of homes in Montclair 91763
  • Bigger than 88% of homes in Montclair 91763
  • Has a bigger lot than 96% of homes in Montclair 91763
  • Newer than 80% of homes in Montclair 91763

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$872K

This home is worth more than 93% 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$790,433
CheaperTypical $628,609Pricier

Pricier than 93% of homes nearby

Price per ft²$362
CheaperTypical $433Pricier

Pricier than 20% of homes nearby

Living area2,183 ft²
SmallerTypical 1,422 ft²Bigger

Bigger than 88% of homes nearby

Lot size0.49 ac
SmallerTypical 0.17 acBigger

Bigger than 96% of homes nearby

Year built1981
OlderTypical 1961Newer

Newer than 80% of homes nearby

How 4509 Howard St ranks against every home in each area.
MeasureThis homeMontclair 91763San Bernardino County
Estimated valuepricier than$790,43393% of homes85% of homes
Price per ft²pricier than$36220% of homes58% of homes
Living areabigger than2,183 ft²88% of homes77% of homes
Lot sizebigger than0.49 ac96% of homes84% of homes
Year builtnewer than198180% of homes46% of homes

About 4509 Howard St

How much is 4509 Howard St, Montclair, CA worth?

The TopHap Estimate for 4509 Howard St, Montclair, CA is $790,433 as of Oct 21, 2026. The likely range is $702,675 to $878,191. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4509 Howard St, Montclair, CA last sell?

4509 Howard St, Montclair, CA last sold on Apr 29, 2019 for $570,000, according to the county's recorded deed.

How big is 4509 Howard St, Montclair, CA?

4509 Howard St, Montclair, CA has 4 bedrooms, 3 bathrooms, 2,183 square feet of living space and a 0.49-acre lot.

When was 4509 Howard St, Montclair, CA built?

4509 Howard St, Montclair, CA was built in 1981, making it 45 years old. It is a modern home. The building has 1 story.

What schools serve 4509 Howard St, Montclair, CA?

4509 Howard St, Montclair, CA is assigned to Howard Elementary School (elementary), rated B-; Montclair High School (high), rated B; Oaks 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 4509 Howard St, Montclair, CA compare to other homes in Montclair 91763?

Among the 7,606 homes in Montclair 91763, it is worth more than 93% of them ($790,433 against a typical $628,609), its price per square foot is higher than 20% of them ($362 against a typical $433), it is bigger than 88% of them (2,183 ft² against a typical 1,422 ft²), its lot is bigger than 96% of them (0.49 ac against a typical 0.17 ac) and it is newer than 80% of them (1981 against a typical 1961). Measured against all of San Bernardino County, it is worth more than 85% 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 4509 Howard St, Montclair, CA?

The 2025 property tax bill for 4509 Howard St, Montclair, CA was $8,905. The county assessed it at $834,655.

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