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Single Family ResidenceResidential
$696,366$302 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $675,000 on May 28, 2021

3820 COSBY AVE

CHICO, CA 95928
3
Beds
3
Baths
2,304 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.
1.07 ac
Lot SizeThe size of the land the home sits on, from county records.
1923
Year BuiltThe year the home was originally built, according to county records.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$696K
$667K low$726K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$675,000 · May 28, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,398 (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.$745,253 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$276,020
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$469,233
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$730,641
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$772,290

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.12 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyBUTTE
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.1995
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
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(4)

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
Emma Wilson Elementary SchoolB
Elementary · Grades KG–5 · 2.8 mi
H
Chico High SchoolB+
High · Grades 9–12 · 3.2 mi
M
Chico Junior High SchoolB
Middle · Grades 6–8 · 3.3 mi

District: Chico Unified School District

Neighborhood · ZIP 95928These 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.116
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.124

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.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.23%
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.38,528
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.252 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$70,031
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$97,135
Average tempThe average temperature here across a full year.62°F
Annual precipHow much rain and melted snow falls here in a typical year.31 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

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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

3820 Cosby 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 Butte County
  • Costs more per square foot than 76% of homes in Butte County
  • Bigger than 86% of homes in Butte County
  • Has a bigger lot than 90% of homes in Chico 95928
  • Older than 94% of homes in Butte County

What homes are worth in Chico 95928

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

This home
$201K$1.2M

This home is worth more than 85% of homes in Chico 95928.

How it measures up in Chico 95928

The dot is this home. The mark in the middle is the typical home in Chico 95928.

Estimated value$696,366
CheaperTypical $461,552Pricier

Pricier than 85% of homes nearby

Price per ft²$302
CheaperTypical $294Pricier

Pricier than 60% of homes nearby

Living area2,304 ft²
SmallerTypical 1,584 ft²Bigger

Bigger than 82% of homes nearby

Lot size1.07 ac
SmallerTypical 0.18 acBigger

Bigger than 90% of homes nearby

Year built1923
OlderTypical 1986Newer

Newer than 10% of homes nearby

How 3820 Cosby Ave ranks against every home in each area.
MeasureThis homeChico 95928Butte County
Estimated valuepricier than$696,36685% of homes91% of homes
Price per ft²pricier than$30260% of homes76% of homes
Living areabigger than2,304 ft²82% of homes86% of homes
Lot sizebigger than1.07 ac90% of homes80% of homes
Year builtnewer than192310% of homes6% of homes

About 3820 Cosby Ave

How much is 3820 Cosby Ave, Chico, CA worth?

The TopHap Estimate for 3820 Cosby Ave, Chico, CA is $696,366 as of Oct 21, 2026. The likely range is $666,898 to $725,834. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3820 Cosby Ave, Chico, CA last sell?

3820 Cosby Ave, Chico, CA last sold on May 28, 2021 for $675,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3820 Cosby Ave, Chico, CA?

3820 Cosby Ave, Chico, CA has 3 bedrooms, 3 bathrooms and 2,304 square feet of living space.

When was 3820 Cosby Ave, Chico, CA built?

3820 Cosby Ave, Chico, CA was built in 1923, making it 103 years old. It is a conventional home.

What schools serve 3820 Cosby Ave, Chico, CA?

3820 Cosby Ave, Chico, CA is assigned to Emma Wilson Elementary School (elementary), rated B; Chico High School (high), rated B+; Chico Junior High School (middle), rated B. All sit in Chico Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3820 Cosby Ave, Chico, CA compare to other homes in Chico 95928?

Among the 10,173 homes in Chico 95928, it is worth more than 85% of them ($696,366 against a typical $461,552), its price per square foot is higher than 60% of them ($302 against a typical $294), it is bigger than 82% of them (2,304 ft² against a typical 1,584 ft²), its lot is bigger than 90% of them (1.07 ac against a typical 0.18 ac) and it is newer than 10% of them (1923 against a typical 1986). Measured against all of Butte 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 3820 Cosby Ave, Chico, CA?

The 2025 property tax bill for 3820 Cosby Ave, Chico, CA was $8,398. The county assessed it at $745,253.

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