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Single Family ResidenceResidential
$544,799$384 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $230,000 on May 2, 1994

491 MASSACHUSETTS AVE

RIVERSIDE, CA 92507
3
Beds
1.8
Baths
1,420 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1957
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

$545K
$497K low$593K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$230,000 · May 2, 1994

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,207 (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.$196,735 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$69,324
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$127,411
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$192,878
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$426,960

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.0.22
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.Wood Shingle
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, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Highland Elementary SchoolC-
Elementary · Grades KG–6 · 0.3 mi
M
University Heights Middle SchoolC+
Middle · Grades 7–8 · 0.8 mi
H
John W. North High SchoolC+
High · Grades 9–12 · 1.4 mi

District: Riverside Unified School District

Neighborhood · ZIP 92507These 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.112
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 100.450

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.95%
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.15%
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.64,491
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,078 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$66,160
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$82,952
Average tempThe average temperature here across a full year.63°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%

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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

491 Massachusetts 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.

  • Costs more per square foot than 75% of homes in Riverside County
  • Smaller than 72% of homes in Riverside County
  • Older than 92% of homes in Riverside County

What homes are worth in Riverside 92507

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

This home
$288K$922K

This home is worth more than 40% of homes in Riverside 92507.

How it measures up in Riverside 92507

The dot is this home. The mark in the middle is the typical home in Riverside 92507.

Estimated value$544,799
CheaperTypical $589,579Pricier

Pricier than 40% of homes nearby

Price per ft²$384
CheaperTypical $366Pricier

Pricier than 61% of homes nearby

Living area1,420 ft²
SmallerTypical 1,575 ft²Bigger

Bigger than 39% of homes nearby

Lot size0.22 ac
SmallerTypical 0.19 acBigger

Bigger than 63% of homes nearby

Year built1957
OlderTypical 1977Newer

Newer than 24% of homes nearby

How 491 Massachusetts Ave ranks against every home in each area.
MeasureThis homeUniversity of California RiversideRiverside 92507Riverside County
Estimated valuepricier than$544,79952% of homes40% of homes40% of homes
Price per ft²pricier than$38460% of homes61% of homes75% of homes
Living areabigger than1,420 ft²50% of homes39% of homes28% of homes
Lot sizebigger than0.22 ac57% of homes63% of homes56% of homes
Year builtnewer than195711% of homes24% of homes8% of homes

About 491 Massachusetts Ave

How much is 491 Massachusetts Ave, Riverside, CA worth?

The TopHap Estimate for 491 Massachusetts Ave, Riverside, CA is $544,799 as of Sep 24, 2026. The likely range is $496,671 to $592,927. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 491 Massachusetts Ave, Riverside, CA last sell?

491 Massachusetts Ave, Riverside, CA last sold on May 2, 1994 for $230,000, according to the county's recorded deed.

How big is 491 Massachusetts Ave, Riverside, CA?

491 Massachusetts Ave, Riverside, CA has 3 bedrooms, 1.8 bathrooms, 1,420 square feet of living space and a 0.22-acre lot.

When was 491 Massachusetts Ave, Riverside, CA built?

491 Massachusetts Ave, Riverside, CA was built in 1957, making it 69 years old. The building has 1 story.

What schools serve 491 Massachusetts Ave, Riverside, CA?

491 Massachusetts Ave, Riverside, CA is assigned to Highland Elementary School (elementary), rated C-; University Heights Middle School (middle), rated C+; John W. North 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 491 Massachusetts Ave, Riverside, CA compare to other homes in Riverside 92507?

Among the 12,285 homes in Riverside 92507, it is worth more than 40% of them ($544,799 against a typical $589,579), its price per square foot is higher than 61% of them ($384 against a typical $366), it is bigger than 39% of them (1,420 ft² against a typical 1,575 ft²), its lot is bigger than 63% of them (0.22 ac against a typical 0.19 ac) and it is newer than 24% of them (1957 against a typical 1977). Measured against all of Riverside County, it is worth more than 40% 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 491 Massachusetts Ave, Riverside, CA?

The 2025 property tax bill for 491 Massachusetts Ave, Riverside, CA was $2,207. The county assessed it at $196,735.

More homes on Massachusetts Ave

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