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Single Family ResidenceResidential
$680,584$310 / 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 83How 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 $689,000 on Sep 23, 2024

1230 KNOLLS DR

COPPEROPOLIS, CA 95228
3
Beds
0
Baths
2,197 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.
0.58 ac
Lot SizeThe size of the land the home sits on, from county records.
2002
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$681K
$568K low$793K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$689,000 · Sep 23, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,222 (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.$634,833 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$193,339
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$441,494
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$622,387

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.Modern
CountyCALAVERAS
Lot (acres)The size of the land the home sits on, from county records.0.58
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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(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
Copperopolis Elementary SchoolC-
Elementary · Grades KG–6 · 4.8 mi
M
Mark Twain Elementary SchoolD
Middle · Grades KG–8 · 12.3 mi
H
Bret Harte Union High SchoolB-
High · Grades 9–12 · 12.5 mi

District: Bret Harte Union High School District

Neighborhood · ZIP 95228These 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.131
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.79

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.72%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.4,554
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.51 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$94,159
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$111,153
Average tempThe average temperature here across a full year.61°F
Annual precipHow much rain and melted snow falls here in a typical year.24 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

1230 Knolls Dr 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 92% of homes in Calaveras County
  • Costs more per square foot than 81% of homes in Calaveras County
  • Bigger than 82% of homes in Calaveras County
  • Has a bigger lot than 69% of homes in Copperopolis 95228
  • Newer than 84% of homes in Calaveras County

What homes are worth in Copperopolis 95228

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

This home
$262K$2.1M

This home is worth more than 71% of homes in Copperopolis 95228.

How it measures up in Copperopolis 95228

The dot is this home. The mark in the middle is the typical home in Copperopolis 95228.

Estimated value$680,584
CheaperTypical $529,563Pricier

Pricier than 71% of homes nearby

Price per ft²$310
CheaperTypical $264Pricier

Pricier than 76% of homes nearby

Living area2,197 ft²
SmallerTypical 1,824 ft²Bigger

Bigger than 68% of homes nearby

Lot size0.58 ac
SmallerTypical 0.33 acBigger

Bigger than 69% of homes nearby

Year built2002
OlderTypical 1996Newer

Newer than 61% of homes nearby

How 1230 Knolls Dr ranks against every home in each area.
MeasureThis homeCopperopolis 95228Calaveras County
Estimated valuepricier than$680,58471% of homes92% of homes
Price per ft²pricier than$31076% of homes81% of homes
Living areabigger than2,197 ft²68% of homes82% of homes
Lot sizebigger than0.58 ac69% of homes63% of homes
Year builtnewer than200261% of homes84% of homes

About 1230 Knolls Dr

How much is 1230 Knolls Dr, Copperopolis, CA worth?

The TopHap Estimate for 1230 Knolls Dr, Copperopolis, CA is $680,584 as of Sep 24, 2026. The likely range is $568,258 to $792,911. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1230 Knolls Dr, Copperopolis, CA last sell?

1230 Knolls Dr, Copperopolis, CA last sold on Sep 23, 2024 for $689,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 1230 Knolls Dr, Copperopolis, CA?

1230 Knolls Dr, Copperopolis, CA has 3 bedrooms, 2,197 square feet of living space and a 0.58-acre lot.

When was 1230 Knolls Dr, Copperopolis, CA built?

1230 Knolls Dr, Copperopolis, CA was built in 2002, making it 24 years old. It is a modern home. The building has 1 story.

What schools serve 1230 Knolls Dr, Copperopolis, CA?

1230 Knolls Dr, Copperopolis, CA is assigned to Copperopolis Elementary School (elementary), rated C-; Mark Twain Elementary School (middle), rated D; Bret Harte Union High School (high), rated B-. All sit in Bret Harte Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1230 Knolls Dr, Copperopolis, CA compare to other homes in Copperopolis 95228?

Among the 2,746 homes in Copperopolis 95228, it is worth more than 71% of them ($680,584 against a typical $529,563), its price per square foot is higher than 76% of them ($310 against a typical $264), it is bigger than 68% of them (2,197 ft² against a typical 1,824 ft²), its lot is bigger than 69% of them (0.58 ac against a typical 0.33 ac) and it is newer than 61% of them (2002 against a typical 1996). Measured against all of Calaveras County, it is worth more than 92% 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 1230 Knolls Dr, Copperopolis, CA?

The 2025 property tax bill for 1230 Knolls Dr, Copperopolis, CA was $9,222. The county assessed it at $634,833.

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