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Single Family ResidenceResidential
$314,615$194 / 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 Jul 14, 2026

16870 W AMERICAN RIVER DR

SONORA, CA 95370
4
Beds
2
Baths
1,622 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.
0.36 ac
Lot SizeThe size of the land the home sits on, from county records.
1974
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$315K
$303K low$326K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$222,515
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$178,012
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.36%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$92,100
BANK OF AMERICA NA · recorded Jan 24, 2013

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,712 (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.$174,266 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$55,954
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$118,312
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$170,850
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$382,680

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.95 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.1 percent flood zone

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
Lot (acres)The size of the land the home sits on, from county records.0.36
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
CoolingThe type of cooling or air conditioning in the home.None
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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
Curtis Creek Elementary SchoolD+
Elementary · Grades KG–8 · 4.1 mi
H
Sonora High SchoolB
High · Grades 9–12 · 6.5 mi

District: Curtis Creek Elementary 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

16870 W American River 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 less than 73% of homes in Sonora 95370
  • Costs less per square foot than 89% of homes in Sonora 95370
  • Has a smaller lot than 69% 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
$198K$898K

This home is worth more than 27% 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$314,615
CheaperTypical $387,733Pricier

Pricier than 27% of homes nearby

Price per ft²$194
CheaperTypical $247Pricier

Pricier than 11% of homes nearby

Living area1,622 ft²
SmallerTypical 1,588 ft²Bigger

Bigger than 53% of homes nearby

Lot size0.36 ac
SmallerTypical 0.65 acBigger

Bigger than 31% of homes nearby

Year built1974
OlderTypical 1978Newer

Newer than 36% of homes nearby

How 16870 W American River Dr ranks against every home in each area.
MeasureThis homeSonora 95370Tuolumne County
Estimated valuepricier than$314,61527% of homes36% of homes
Price per ft²pricier than$19411% of homes18% of homes
Living areabigger than1,622 ft²53% of homes57% of homes
Lot sizebigger than0.36 ac31% of homes40% of homes
Year builtnewer than197436% of homes37% of homes

About 16870 W American River Dr

How much is 16870 W American River Dr, Sonora, CA worth?

The TopHap Estimate for 16870 W American River Dr, Sonora, CA is $314,615 as of Jul 14, 2026. The likely range is $302,934 to $326,296. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 16870 W American River Dr, Sonora, CA last sell?

16870 W American River Dr, Sonora, CA last sold on Jan 1, 1900, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 16870 W American River Dr, Sonora, CA?

16870 W American River Dr, Sonora, CA has 4 bedrooms, 2 bathrooms, 1,622 square feet of living space and a 0.36-acre lot.

When was 16870 W American River Dr, Sonora, CA built?

16870 W American River Dr, Sonora, CA was built in 1974, making it 52 years old. The building has 2 stories.

What schools serve 16870 W American River Dr, Sonora, CA?

16870 W American River Dr, Sonora, CA is assigned to Curtis Creek Elementary School (elementary), rated D+; Sonora High School (high), rated B. All sit in Curtis Creek Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 16870 W American River Dr, Sonora, CA compare to other homes in Sonora 95370?

Among the 10,859 homes in Sonora 95370, it is worth more than 27% of them ($314,615 against a typical $387,733), its price per square foot is higher than 11% of them ($194 against a typical $247), it is bigger than 53% of them (1,622 ft² against a typical 1,588 ft²), its lot is bigger than 31% of them (0.36 ac against a typical 0.65 ac) and it is newer than 36% of them (1974 against a typical 1978). Measured against all of Tuolumne County, it is worth more than 36% 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 16870 W American River Dr, Sonora, CA?

The 2025 property tax bill for 16870 W American River Dr, Sonora, CA was $1,712. The county assessed it at $174,266.

Closest homes

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Assigned schools

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