Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$971,846$196 / 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 Jul 14, 2026
Last sold for $515,000 on May 1, 2018

16391 HARWICH CIR

RIVERSIDE, CA 92503
4
Beds
3.5
Baths
4,970 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.
0.36 ac
Lot SizeThe size of the land the home sits on, from county records.
2006
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

$972K
$909K low$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.$515,000 · May 1, 2018
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$971,846
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$777,477

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,780 (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.$597,696 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$133,464
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$464,232
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$585,978
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$937,980

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyRIVERSIDE
Lot (acres)The size of the land the home sits on, from county records.0.36
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(7)

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
Lake Mathews Elementary SchoolA-
Elementary · Grades KG–6 · 1.3 mi
H
Arlington High SchoolC-
High · Grades 9–12 · 2.6 mi
M
Frank Augustus Miller Middle SchoolA-
Middle · Grades 7–8 · 6.0 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

16391 Harwich Cir 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 95% of homes in Riverside 92503
  • Among the lowest price per square foot in Riverside 92503
  • Among the largest homes in Riverside 92503
  • Has a bigger lot than 82% of homes in Riverside 92503
  • Newer than 88% of homes in Riverside 92503

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$1.1M

This home is worth more than 95% 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$971,846
CheaperTypical $598,562Pricier

Pricier than 95% of homes nearby

Price per ft²$196
CheaperTypical $382Pricier

Cheaper than almost all homes nearby

Living area4,970 ft²
SmallerTypical 1,537 ft²Bigger

Bigger than almost all homes nearby

Lot size0.36 ac
SmallerTypical 0.19 acBigger

Bigger than 82% of homes nearby

Year built2006
OlderTypical 1978Newer

Newer than 88% of homes nearby

How 16391 Harwich Cir ranks against every home in each area.
MeasureThis homeEl SobranteRiverside 92503Riverside County
Estimated valuepricier than$971,84689% of homes95% of homes91% of homes
Price per ft²pricier than$1962% of homesalmost no homes5% of homes
Living areabigger than4,970 ft²98% of homesalmost all homesalmost all homes
Lot sizebigger than0.36 ac70% of homes82% of homes72% of homes
Year builtnewer than200682% of homes88% of homes83% of homes

About 16391 Harwich Cir

How much is 16391 Harwich Cir, Riverside, CA worth?

The TopHap Estimate for 16391 Harwich Cir, Riverside, CA is $971,846 as of Jul 14, 2026. The likely range is $908,921 to $1,034,771. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 16391 Harwich Cir, Riverside, CA last sell?

16391 Harwich Cir, Riverside, CA last sold on May 1, 2018 for $515,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 16391 Harwich Cir, Riverside, CA?

16391 Harwich Cir, Riverside, CA has 4 bedrooms, 3.5 bathrooms, 4,970 square feet of living space and a 0.36-acre lot.

When was 16391 Harwich Cir, Riverside, CA built?

16391 Harwich Cir, Riverside, CA was built in 2006, making it 20 years old. The building has 2 stories.

What schools serve 16391 Harwich Cir, Riverside, CA?

16391 Harwich Cir, Riverside, CA is assigned to Lake Mathews Elementary School (elementary), rated A-; Arlington High School (high), rated C-; Frank Augustus Miller Middle School (middle), rated A-. All sit in Riverside Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 16391 Harwich Cir, Riverside, CA compare to other homes in Riverside 92503?

Among the 21,423 homes in Riverside 92503, it is worth more than 95% of them ($971,846 against a typical $598,562), its price per square foot is higher than almost none of them ($196 against a typical $382), it is bigger than almost all of them (4,970 ft² against a typical 1,537 ft²), its lot is bigger than 82% of them (0.36 ac against a typical 0.19 ac) and it is newer than 88% of them (2006 against a typical 1978). 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 16391 Harwich Cir, Riverside, CA?

The 2025 property tax bill for 16391 Harwich Cir, Riverside, CA was $9,780. The county assessed it at $597,696.

Closest homes

More homes in Riverside 92503

Assigned schools

Explore the area

See this home in context

Open 16391 Harwich Cir on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map