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Single Family ResidenceResidential
$865,945$248 / 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 97How 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 $540,000 on Dec 15, 2009

17793 MOUNTAIN RIDGE DR

SONORA, CA 95370
4
Beds
3.5
Baths
3,498 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.
2.99 ac
Lot SizeThe size of the land the home sits on, from county records.
2006
Year BuiltThe year the home was originally built, according to county records.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$866K
$843K low$889K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$540,000 · Dec 15, 2009

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,736 (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.$748,484 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$217,240
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$531,244
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$733,809
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$951,390

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.31 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
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(6)

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(2)

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 · 2.3 mi
H
Sonora High SchoolB
High · Grades 9–12 · 3.2 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%

Owner Tools

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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

17793 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 98% of homes in Sonora 95370
  • Bigger than 97% of homes in Sonora 95370
  • Has a bigger lot than 82% of homes in Tuolumne County
  • Newer than 96% of homes in Tuolumne County

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 98% 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$865,945
CheaperTypical $390,562Pricier

Pricier than 98% of homes nearby

Price per ft²$248
CheaperTypical $250Pricier

Pricier than 48% of homes nearby

Living area3,498 ft²
SmallerTypical 1,578 ft²Bigger

Bigger than 97% of homes nearby

Lot size2.99 ac
SmallerTypical 0.65 acBigger

Bigger than 77% of homes nearby

Year built2006
OlderTypical 1978Newer

Newer than 95% of homes nearby

How 17793 Mountain Ridge Dr ranks against every home in each area.
MeasureThis homeSonora 95370Tuolumne County
Estimated valuepricier than$865,94598% of homes98% of homes
Price per ft²pricier than$24848% of homes53% of homes
Living areabigger than3,498 ft²97% of homes97% of homes
Lot sizebigger than2.99 ac77% of homes82% of homes
Year builtnewer than200695% of homes96% of homes

About 17793 Mountain Ridge Dr

How much is 17793 Mountain Ridge Dr, Sonora, CA worth?

The TopHap Estimate for 17793 Mountain Ridge Dr, Sonora, CA is $865,945 as of Sep 24, 2026. The likely range is $843,321 to $888,569. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17793 Mountain Ridge Dr, Sonora, CA last sell?

17793 Mountain Ridge Dr, Sonora, CA last sold on Dec 15, 2009 for $540,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 17793 Mountain Ridge Dr, Sonora, CA?

17793 Mountain Ridge Dr, Sonora, CA has 4 bedrooms, 3.5 bathrooms and 3,498 square feet of living space.

When was 17793 Mountain Ridge Dr, Sonora, CA built?

17793 Mountain Ridge Dr, Sonora, CA was built in 2006, making it 20 years old.

What schools serve 17793 Mountain Ridge Dr, Sonora, CA?

17793 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 17793 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 98% of them ($865,945 against a typical $390,562), its price per square foot is higher than 48% of them ($248 against a typical $250), it is bigger than 97% of them (3,498 ft² against a typical 1,578 ft²), its lot is bigger than 77% of them (2.99 ac against a typical 0.65 ac) and it is newer than 95% of them (2006 against a typical 1978). Measured against all of Tuolumne County, it is worth more than 98% 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 17793 Mountain Ridge Dr, Sonora, CA?

The 2025 property tax bill for 17793 Mountain Ridge Dr, Sonora, CA was $7,736. The county assessed it at $748,484.

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