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Single Family ResidenceResidential
$1,127,343$320 / 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 Aug 30, 2026
Last sold for $950,000 on Oct 5, 2021

1817 AMBROSIA AVE

UPLAND, CA 91784
3
Beds
2.5
Baths
3,524 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
2004
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
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

$1.1M
$1.1M low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$950,000 · Oct 5, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,559 (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.$1,028,311 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$257,078
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$771,233

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.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.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.0.12
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
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.Porch · 154 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
Foothill Knolls Academy of InnovationC+
Elementary · Grades KG–8 · 1.4 mi
H
Upland High SchoolB
High · Grades 9–12 · 2.5 mi

District: Upland Unified School District

Neighborhood · ZIP 91784These 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.39
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.673

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.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.0%
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.27,659
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,020 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$140,651
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$165,258
Average tempThe average temperature here across a full year.59°F
Annual precipHow much rain and melted snow falls here in a typical year.29 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

1817 Ambrosia 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 97% of homes in San Bernardino County
  • Costs less per square foot than 94% of homes in Upland 91784
  • Bigger than 97% of homes in San Bernardino County
  • Has a smaller lot than 87% of homes in Upland 91784
  • Newer than 88% of homes in Upland 91784

What homes are worth in Upland 91784

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

This home
$620K$1.9M

This home is worth more than 80% of homes in Upland 91784.

How it measures up in Upland 91784

The dot is this home. The mark in the middle is the typical home in Upland 91784.

Estimated value$1,127,343
CheaperTypical $942,652Pricier

Pricier than 80% of homes nearby

Price per ft²$320
CheaperTypical $416Pricier

Pricier than 6% of homes nearby

Living area3,524 ft²
SmallerTypical 2,286 ft²Bigger

Bigger than 92% of homes nearby

Lot size0.12 ac
SmallerTypical 0.23 acBigger

Bigger than 13% of homes nearby

Year built2004
OlderTypical 1982Newer

Newer than 88% of homes nearby

How 1817 Ambrosia Ave ranks against every home in each area.
MeasureThis homeUpland 91784San Bernardino County
Estimated valuepricier than$1,127,34380% of homes97% of homes
Price per ft²pricier than$3206% of homes47% of homes
Living areabigger than3,524 ft²92% of homes97% of homes
Lot sizebigger than0.12 ac13% of homes21% of homes
Year builtnewer than200488% of homes83% of homes

About 1817 Ambrosia Ave

How much is 1817 Ambrosia Ave, Upland, CA worth?

The TopHap Estimate for 1817 Ambrosia Ave, Upland, CA is $1,127,343 as of Aug 30, 2026. The likely range is $1,105,631 to $1,149,055. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1817 Ambrosia Ave, Upland, CA last sell?

1817 Ambrosia Ave, Upland, CA last sold on Oct 5, 2021 for $950,000, according to the county's recorded deed.

How big is 1817 Ambrosia Ave, Upland, CA?

1817 Ambrosia Ave, Upland, CA has 3 bedrooms, 2.5 bathrooms, 3,524 square feet of living space and a 0.12-acre lot.

When was 1817 Ambrosia Ave, Upland, CA built?

1817 Ambrosia Ave, Upland, CA was built in 2004, making it 22 years old. It is a modern home. The building has 2 stories.

What schools serve 1817 Ambrosia Ave, Upland, CA?

1817 Ambrosia Ave, Upland, CA is assigned to Foothill Knolls Academy of Innovation (elementary), rated C+; Upland High School (high), rated B. All sit in Upland Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1817 Ambrosia Ave, Upland, CA compare to other homes in Upland 91784?

Among the 9,606 homes in Upland 91784, it is worth more than 80% of them ($1,127,343 against a typical $942,652), its price per square foot is higher than 6% of them ($320 against a typical $416), it is bigger than 92% of them (3,524 ft² against a typical 2,286 ft²), its lot is bigger than 13% of them (0.12 ac against a typical 0.23 ac) and it is newer than 88% of them (2004 against a typical 1982). Measured against all of San Bernardino County, it is worth more than 97% 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 1817 Ambrosia Ave, Upland, CA?

The 2025 property tax bill for 1817 Ambrosia Ave, Upland, CA was $11,559. The county assessed it at $1,028,311.

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