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Single Family ResidenceResidential
$599,012$385 / 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 94How 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 $315,000 on Mar 25, 2016

9309 DUNCAN AVE

RIVERSIDE, CA 92503
3
Beds
2
Baths
1,555 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.
0.29 ac
Lot SizeThe size of the land the home sits on, from county records.
1989
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$599K
$562K low$636K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$315,000 · Mar 25, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,204 (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.$380,346 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$72,444
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$307,902
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$372,889
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$440,910

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.11 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
CountyRIVERSIDE
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.1990
Lot (acres)The size of the land the home sits on, from county records.0.29
ConstructionThe main material the home's frame and walls are built from.Wood (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

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.

Foreclosure Filings(1)

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

E
Andrew Jackson Elementary SchoolC-
Elementary · Grades KG–6 · 0.3 mi
M
Chemawa Middle SchoolC+
Middle · Grades 7–8 · 1.2 mi
H
Arlington High SchoolC-
High · Grades 9–12 · 2.0 mi

District: Riverside Unified School District

Neighborhood · ZIP 92503These 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.57
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 100.290

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.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.5%
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.96,024
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,949 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$87,069
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,138
Average tempThe average temperature here across a full year.64°F
Annual precipHow much rain and melted snow falls here in a typical year.12 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.68%

Owner Tools

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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

9309 Duncan 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 80% of homes in Arlington
  • Costs more per square foot than 77% of homes in Riverside County
  • Bigger than 72% of homes in Arlington
  • Has a bigger lot than 76% of homes in Riverside 92503
  • Newer than 90% of homes in Arlington

What homes are worth in Riverside 92503

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

This home
$391K$1.2M

This home is worth more than 53% of homes in Riverside 92503.

How it measures up in Riverside 92503

The dot is this home. The mark in the middle is the typical home in Riverside 92503.

Estimated value$599,012
CheaperTypical $591,262Pricier

Pricier than 53% of homes nearby

Price per ft²$385
CheaperTypical $374Pricier

Pricier than 54% of homes nearby

Living area1,555 ft²
SmallerTypical 1,539 ft²Bigger

Bigger than 51% of homes nearby

Lot size0.29 ac
SmallerTypical 0.19 acBigger

Bigger than 76% of homes nearby

Year built1989
OlderTypical 1978Newer

Newer than 69% of homes nearby

How 9309 Duncan Ave ranks against every home in each area.
MeasureThis homeArlingtonRiverside 92503Riverside County
Estimated valuepricier than$599,01280% of homes53% of homes54% of homes
Price per ft²pricier than$38533% of homes54% of homes77% of homes
Living areabigger than1,555 ft²72% of homes51% of homes37% of homes
Lot sizebigger than0.29 ac73% of homes76% of homes66% of homes
Year builtnewer than198990% of homes69% of homes47% of homes

About 9309 Duncan Ave

How much is 9309 Duncan Ave, Riverside, CA worth?

The TopHap Estimate for 9309 Duncan Ave, Riverside, CA is $599,012 as of Aug 30, 2026. The likely range is $562,264 to $635,760. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9309 Duncan Ave, Riverside, CA last sell?

9309 Duncan Ave, Riverside, CA last sold on Mar 25, 2016 for $315,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 9309 Duncan Ave, Riverside, CA?

9309 Duncan Ave, Riverside, CA has 3 bedrooms, 2 bathrooms, 1,555 square feet of living space and a 0.29-acre lot.

When was 9309 Duncan Ave, Riverside, CA built?

9309 Duncan Ave, Riverside, CA was built in 1989, making it 37 years old. The building has 1 story.

What schools serve 9309 Duncan Ave, Riverside, CA?

9309 Duncan Ave, Riverside, CA is assigned to Andrew Jackson Elementary School (elementary), rated C-; Chemawa Middle School (middle), rated C+; Arlington High School (high), rated C-. All sit in Riverside Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9309 Duncan Ave, Riverside, CA compare to other homes in Riverside 92503?

Among the 21,420 homes in Riverside 92503, it is worth more than 53% of them ($599,012 against a typical $591,262), its price per square foot is higher than 54% of them ($385 against a typical $374), it is bigger than 51% of them (1,555 ft² against a typical 1,539 ft²), its lot is bigger than 76% of them (0.29 ac against a typical 0.19 ac) and it is newer than 69% of them (1989 against a typical 1978). Measured against all of Riverside County, it is worth more than 54% 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 9309 Duncan Ave, Riverside, CA?

The 2025 property tax bill for 9309 Duncan Ave, Riverside, CA was $4,204. The county assessed it at $380,346.

More homes on Duncan Ave

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