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Single Family ResidenceResidential
$298,290$276 / 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 90How 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 $300,000 on Feb 21, 2025

423 RIO GRANDE CT

CORNING, CA 96021
3
Beds
2
Baths
1,080 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$298K
$268K low$329K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$300,000 · Feb 21, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$994 (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.$306,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$66,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$239,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$100,432

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyTEHAMA
Lot (acres)The size of the land the home sits on, from county records.0.19
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Woodson Elementary SchoolD+
Elementary · Grades KG–6 · 0.3 mi
H
Corning Union High SchoolC-
High · Grades 9–12 · 1.2 mi

District: Corning Union Elementary School District

Neighborhood · ZIP 96021These 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.81
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.148

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.9.0%
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.1.6%
PopulationHow many people live in this area.16,883
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.56 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$60,243
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$71,197
Average tempThe average temperature here across a full year.62°F
Annual precipHow much rain and melted snow falls here in a typical year.25 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.88%

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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

423 Rio Grande Ct 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 65% of homes in Corning 96021
  • Costs more per square foot than 91% of homes in Corning 96021
  • Smaller than 77% of homes in Tehama County
  • Has a smaller lot than 81% of homes in Tehama County

What homes are worth in Corning 96021

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

This home
$24K$587K

This home is worth more than 65% of homes in Corning 96021.

How it measures up in Corning 96021

The dot is this home. The mark in the middle is the typical home in Corning 96021.

Estimated value$298,290
CheaperTypical $249,553Pricier

Pricier than 65% of homes nearby

Price per ft²$276
CheaperTypical $211Pricier

Pricier than 91% of homes nearby

Living area1,080 ft²
SmallerTypical 1,344 ft²Bigger

Bigger than 28% of homes nearby

Lot size0.19 ac
SmallerTypical 1.23 acBigger

Bigger than 20% of homes nearby

Year built1979
OlderTypical 1979Newer

Newer than 52% of homes nearby

How 423 Rio Grande Ct ranks against every home in each area.
MeasureThis homeCorning 96021Tehama County
Estimated valuepricier than$298,29065% of homes54% of homes
Price per ft²pricier than$27691% of homes90% of homes
Living areabigger than1,080 ft²28% of homes23% of homes
Lot sizebigger than0.19 ac20% of homes19% of homes
Year builtnewer than197952% of homes49% of homes

About 423 Rio Grande Ct

How much is 423 Rio Grande Ct, Corning, CA worth?

The TopHap Estimate for 423 Rio Grande Ct, Corning, CA is $298,290 as of Aug 30, 2026. The likely range is $267,971 to $328,609. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 423 Rio Grande Ct, Corning, CA last sell?

423 Rio Grande Ct, Corning, CA last sold on Feb 21, 2025 for $300,000, according to the county's recorded deed.

How big is 423 Rio Grande Ct, Corning, CA?

423 Rio Grande Ct, Corning, CA has 3 bedrooms, 2 bathrooms, 1,080 square feet of living space and a 0.19-acre lot.

When was 423 Rio Grande Ct, Corning, CA built?

423 Rio Grande Ct, Corning, CA was built in 1979, making it 47 years old.

What schools serve 423 Rio Grande Ct, Corning, CA?

423 Rio Grande Ct, Corning, CA is assigned to Woodson Elementary School (elementary), rated D+; Corning Union High School (high), rated C-. All sit in Corning Union Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 423 Rio Grande Ct, Corning, CA compare to other homes in Corning 96021?

Among the 5,821 homes in Corning 96021, it is worth more than 65% of them ($298,290 against a typical $249,553), its price per square foot is higher than 91% of them ($276 against a typical $211), it is bigger than 28% of them (1,080 ft² against a typical 1,344 ft²), its lot is bigger than 20% of them (0.19 ac against a typical 1.23 ac) and it is newer than 52% of them (1979 against a typical 1979). Measured against all of Tehama 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 423 Rio Grande Ct, Corning, CA?

The 2025 property tax bill for 423 Rio Grande Ct, Corning, CA was $994. The county assessed it at $306,000.

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Assigned schools

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