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Single Family ResidenceResidential
$968,356$253 / 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

17020 PORTER AVE

RIVERSIDE, CA 92504
5
Beds
2.8
Baths
3,822 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.
1.61 ac
Lot SizeThe size of the land the home sits on, from county records.
1990
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$968K
$907K low$1M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,113 (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.$539,713 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$91,280
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$448,433
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$556,132
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$835,110

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.47
42
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
88
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
64
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
6
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
39
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.9 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
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.1991
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.Yes

Transaction History(3)

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.

M
Frank Augustus Miller Middle SchoolA-
Middle · Grades 7–8 · 0.6 mi
E
Woodcrest Elementary SchoolB+
Elementary · Grades KG–6 · 0.8 mi
H
Martin Luther King High SchoolA
High · Grades 9–12 · 1.6 mi

District: Riverside Unified School District

Neighborhood · ZIP 92504These 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.90
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 100.307

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.4%
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.56,759
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,438 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$79,931
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$102,916
Average tempThe average temperature here across a full year.64°F
Annual precipHow much rain and melted snow falls here in a typical year.11 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

17020 Porter 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 91% of homes in Riverside County
  • Costs less per square foot than 98% of homes in Riverside 92504
  • Bigger than 97% of homes in Riverside County
  • Has a bigger lot than 92% of homes in Riverside 92504
  • Newer than 85% of homes in Riverside 92504

What homes are worth in Riverside 92504

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

This home
$385K$1.4M

This home is worth more than 89% of homes in Riverside 92504.

How it measures up in Riverside 92504

The dot is this home. The mark in the middle is the typical home in Riverside 92504.

Estimated value$968,356
CheaperTypical $579,868Pricier

Pricier than 89% of homes nearby

Price per ft²$253
CheaperTypical $404Pricier

Pricier than 2% of homes nearby

Living area3,822 ft²
SmallerTypical 1,414 ft²Bigger

Bigger than 94% of homes nearby

Lot size1.61 ac
SmallerTypical 0.19 acBigger

Bigger than 92% of homes nearby

Year built1990
OlderTypical 1960Newer

Newer than 85% of homes nearby

How 17020 Porter Ave ranks against every home in each area.
MeasureThis homeWoodcrestRiverside 92504Riverside County
Estimated valuepricier than$968,35671% of homes89% of homes91% of homes
Price per ft²pricier than$2536% of homes2% of homes21% of homes
Living areabigger than3,822 ft²84% of homes94% of homes97% of homes
Lot sizebigger than1.61 ac87% of homes92% of homes90% of homes
Year builtnewer than199051% of homes85% of homes50% of homes

About 17020 Porter Ave

How much is 17020 Porter Ave, Riverside, CA worth?

The TopHap Estimate for 17020 Porter Ave, Riverside, CA is $968,356 as of Aug 30, 2026. The likely range is $906,707 to $1,030,005. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17020 Porter Ave, Riverside, CA last sell?

17020 Porter Ave, Riverside, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 17020 Porter Ave, Riverside, CA?

17020 Porter Ave, Riverside, CA has 5 bedrooms, 2.8 bathrooms and 3,822 square feet of living space.

When was 17020 Porter Ave, Riverside, CA built?

17020 Porter Ave, Riverside, CA was built in 1990, making it 36 years old. The building has 2 stories.

What schools serve 17020 Porter Ave, Riverside, CA?

17020 Porter Ave, Riverside, CA is assigned to Frank Augustus Miller Middle School (middle), rated A-; Woodcrest Elementary School (elementary), rated B+; Martin Luther King High School (high), rated A. All sit in Riverside Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17020 Porter Ave, Riverside, CA compare to other homes in Riverside 92504?

Among the 13,364 homes in Riverside 92504, it is worth more than 89% of them ($968,356 against a typical $579,868), its price per square foot is higher than 2% of them ($253 against a typical $404), it is bigger than 94% of them (3,822 ft² against a typical 1,414 ft²), its lot is bigger than 92% of them (1.61 ac against a typical 0.19 ac) and it is newer than 85% of them (1990 against a typical 1960). Measured against all of Riverside County, it is worth more than 91% 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 17020 Porter Ave, Riverside, CA?

The 2025 property tax bill for 17020 Porter Ave, Riverside, CA was $6,113. The county assessed it at $539,713.

More homes on Porter Ave

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