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Residential (General/Single)Residential
$690,290$221 / 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 87How 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 $354,000 on Apr 29, 2011

17900 MOUNTAIN RIDGE DR

SONORA, CA 95370
3
Beds
2.5
Baths
3,120 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.
2.46 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
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.

Valuation

$690K
$598K low$783K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$354,000 · Apr 29, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,152 (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.$493,722 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$130,672
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$363,050
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$484,042
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$785,250

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountyTUOLUMNE
CoolingThe type of cooling or air conditioning in the home.Yes
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(5)

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(3)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Sonora Elementary SchoolC+
Elementary · Grades KG–8 · 2.2 mi
H
Sonora High SchoolB
High · Grades 9–12 · 3.1 mi

District: Sonora Union High School District

Neighborhood · ZIP 95370These 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.90
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.81

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.87%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
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.1.1%
PopulationHow many people live in this area.27,153
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.246 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$76,469
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$99,345
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.35 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

17900 Mountain Ridge 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 95% of homes in Tuolumne County
  • Costs less per square foot than 76% of homes in Sonora 95370
  • Bigger than 96% of homes in Tuolumne County
  • Has a bigger lot than 80% of homes in Tuolumne County
  • Newer than 94% of homes in Sonora 95370

What homes are worth in Sonora 95370

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

This home
$178K$875K

This home is worth more than 92% of homes in Sonora 95370.

How it measures up in Sonora 95370

The dot is this home. The mark in the middle is the typical home in Sonora 95370.

Estimated value$690,290
CheaperTypical $390,562Pricier

Pricier than 92% of homes nearby

Price per ft²$221
CheaperTypical $250Pricier

Pricier than 24% of homes nearby

Living area3,120 ft²
SmallerTypical 1,578 ft²Bigger

Bigger than 95% of homes nearby

Lot size2.46 ac
SmallerTypical 0.65 acBigger

Bigger than 73% of homes nearby

Year built2005
OlderTypical 1978Newer

Newer than 94% of homes nearby

How 17900 Mountain Ridge Dr ranks against every home in each area.
MeasureThis homeSonora 95370Tuolumne County
Estimated valuepricier than$690,29092% of homes95% of homes
Price per ft²pricier than$22124% of homes31% of homes
Living areabigger than3,120 ft²95% of homes96% of homes
Lot sizebigger than2.46 ac73% of homes80% of homes
Year builtnewer than200594% of homes94% of homes

About 17900 Mountain Ridge Dr

How much is 17900 Mountain Ridge Dr, Sonora, CA worth?

The TopHap Estimate for 17900 Mountain Ridge Dr, Sonora, CA is $690,290 as of Sep 24, 2026. The likely range is $597,883 to $782,697. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17900 Mountain Ridge Dr, Sonora, CA last sell?

17900 Mountain Ridge Dr, Sonora, CA last sold on Apr 29, 2011 for $354,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 17900 Mountain Ridge Dr, Sonora, CA?

17900 Mountain Ridge Dr, Sonora, CA has 3 bedrooms, 2.5 bathrooms and 3,120 square feet of living space.

When was 17900 Mountain Ridge Dr, Sonora, CA built?

17900 Mountain Ridge Dr, Sonora, CA was built in 2005, making it 21 years old.

What schools serve 17900 Mountain Ridge Dr, Sonora, CA?

17900 Mountain Ridge Dr, Sonora, CA is assigned to Sonora Elementary School (elementary), rated C+; Sonora High School (high), rated B. All sit in Sonora Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17900 Mountain Ridge Dr, Sonora, CA compare to other homes in Sonora 95370?

Among the 10,859 homes in Sonora 95370, it is worth more than 92% of them ($690,290 against a typical $390,562), its price per square foot is higher than 24% of them ($221 against a typical $250), it is bigger than 95% of them (3,120 ft² against a typical 1,578 ft²), its lot is bigger than 73% of them (2.46 ac against a typical 0.65 ac) and it is newer than 94% of them (2005 against a typical 1978). Measured against all of Tuolumne County, it is worth more than 95% 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 17900 Mountain Ridge Dr, Sonora, CA?

The 2025 property tax bill for 17900 Mountain Ridge Dr, Sonora, CA was $5,152. The county assessed it at $493,722.

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