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Rural ResidenceResidential
$209,604$328 / 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 Aug 30, 2026

20940 S RIDGE RD

CASTELLA, CA 96017
1
Beds
1
Baths
640 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.
4.81 ac
Lot SizeThe size of the land the home sits on, from county records.
1987
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$210K
$198K low$221K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$915 (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.$170,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$80,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$90,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$95,255

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Rural Residence
CountySHASTA
FireplaceWhether the home has a fireplace, and what kind.Yes
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
Castle Rock Elementary SchoolA-
Elementary · Grades KG–8 · 1.6 mi
H
Dunsmuir High SchoolD+
High · Grades 9–12 · 4.4 mi

District: Castle Rock Union Elementary School District

Neighborhood · ZIP 96017These 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.176
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.174

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.62%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.21%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.381
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$59,815
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$74,207
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.77 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.84%

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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

20940 S Ridge Rd 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 less than 91% of homes in Shasta County
  • Costs more per square foot than 96% of homes in Shasta County
  • Smaller than 98% of homes in Shasta County
  • Has a bigger lot than 83% of homes in Shasta County

What homes are worth in Shasta County

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

This home
$86K$706K

This home is worth more than 27% of homes in Shasta County.

How it measures up in Shasta County

The dot is this home. The mark in the middle is the typical home in Shasta County.

Estimated value$209,604
CheaperTypical $358,953Pricier

Pricier than 9% of homes nearby

Price per ft²$328
CheaperTypical $234Pricier

Pricier than 96% of homes nearby

Living area640 ft²
SmallerTypical 1,536 ft²Bigger

Bigger than 2% of homes nearby

Lot size4.81 ac
SmallerTypical 0.44 acBigger

Bigger than 83% of homes nearby

Year built1987
OlderTypical 1983Newer

Newer than 57% of homes nearby

How 20940 S Ridge Rd ranks against every home in each area.
MeasureThis homeShasta County
Estimated valuepricier than$209,6049% of homes
Price per ft²pricier than$32896% of homes
Living areabigger than640 ft²2% of homes
Lot sizebigger than4.81 ac83% of homes
Year builtnewer than198757% of homes

About 20940 S Ridge Rd

How much is 20940 S Ridge Rd, Castella, CA worth?

The TopHap Estimate for 20940 S Ridge Rd, Castella, CA is $209,604 as of Aug 30, 2026. The likely range is $198,030 to $221,178. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20940 S Ridge Rd, Castella, CA last sell?

20940 S Ridge Rd, Castella, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 20940 S Ridge Rd, Castella, CA?

20940 S Ridge Rd, Castella, CA has 1 bedrooms, 1 bathrooms and 640 square feet of living space.

When was 20940 S Ridge Rd, Castella, CA built?

20940 S Ridge Rd, Castella, CA was built in 1987, making it 39 years old. The building has 1 story.

What schools serve 20940 S Ridge Rd, Castella, CA?

20940 S Ridge Rd, Castella, CA is assigned to Castle Rock Elementary School (elementary), rated A-; Dunsmuir High School (high), rated D+. All sit in Castle Rock Union Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20940 S Ridge Rd, Castella, CA compare to other homes in Shasta County?

Among the 66,291 homes in Shasta County, it is worth more than 9% of them ($209,604 against a typical $358,953), its price per square foot is higher than 96% of them ($328 against a typical $234), it is bigger than 2% of them (640 ft² against a typical 1,536 ft²), its lot is bigger than 83% of them (4.81 ac against a typical 0.44 ac) and it is newer than 57% of them (1987 against a typical 1983). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 20940 S Ridge Rd, Castella, CA?

The 2025 property tax bill for 20940 S Ridge Rd, Castella, CA was $915. The county assessed it at $170,000.

More homes on S Ridge Rd

Closest homes

More homes in Castella 96017

Assigned schools

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