Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$520,000$271 / 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 92How 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
Last sold for $520,000 on Aug 14, 2026

509 PRESTON AVE

IONE, CA 95640
3
Beds
3
Baths
1,919 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.
0.28 ac
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$520K
$476K low$564K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$520,000 · Aug 14, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,049 (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.$509,378 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$127,344
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$382,034
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$499,392
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$481,680

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyAMADOR
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2021
Lot (acres)The size of the land the home sits on, from county records.0.28
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(11)

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.

M
Ione Junior High SchoolD-
Middle · Grades 6–8 · 0.5 mi
E
Ione Elementary SchoolD
Elementary · Grades KG–5 · 0.5 mi
H
Argonaut High SchoolB
High · Grades 9–12 · 7.8 mi

District: Amador County Unified School District

Neighborhood · ZIP 95640These 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.77
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.57
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.59

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
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.1.6%
PopulationHow many people live in this area.13,324
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.98 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$93,088
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$113,210
Average tempThe average temperature here across a full year.61°F
Annual precipHow much rain and melted snow falls here in a typical year.23 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

Owner Tools

Do you own this home?
Claim this home

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

509 Preston Ave 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 74% of homes in Amador County
  • Bigger than 68% of homes in Ione 95640
  • Has a smaller lot than 71% of homes in Amador County
  • Older than 97% of homes in Ione 95640

What homes are worth in Ione 95640

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

This home
$253K$854K

This home is worth more than 68% of homes in Ione 95640.

How it measures up in Ione 95640

The dot is this home. The mark in the middle is the typical home in Ione 95640.

Estimated value$520,000
CheaperTypical $457,736Pricier

Pricier than 68% of homes nearby

Price per ft²$271
CheaperTypical $275Pricier

Pricier than 45% of homes nearby

Living area1,919 ft²
SmallerTypical 1,671 ft²Bigger

Bigger than 68% of homes nearby

Lot size0.28 ac
SmallerTypical 0.23 acBigger

Bigger than 60% of homes nearby

Year built1930
OlderTypical 1999Newer

Newer than 3% of homes nearby

How 509 Preston Ave ranks against every home in each area.
MeasureThis homeIone 95640Amador County
Estimated valuepricier than$520,00068% of homes74% of homes
Price per ft²pricier than$27145% of homes61% of homes
Living areabigger than1,919 ft²68% of homes66% of homes
Lot sizebigger than0.28 ac60% of homes29% of homes
Year builtnewer than19303% of homes4% of homes

About 509 Preston Ave

How much is 509 Preston Ave, Ione, CA worth?

The TopHap Estimate for 509 Preston Ave, Ione, CA is $520,000 as of Aug 30, 2026. The likely range is $475,969 to $564,031. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 Preston Ave, Ione, CA last sell?

509 Preston Ave, Ione, CA last sold on Aug 14, 2026 for $520,000, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 509 Preston Ave, Ione, CA?

509 Preston Ave, Ione, CA has 3 bedrooms, 3 bathrooms, 1,919 square feet of living space and a 0.28-acre lot.

When was 509 Preston Ave, Ione, CA built?

509 Preston Ave, Ione, CA was built in 1930, making it 96 years old. The building has 1 story.

What schools serve 509 Preston Ave, Ione, CA?

509 Preston Ave, Ione, CA is assigned to Ione Junior High School (middle), rated D-; Ione Elementary School (elementary), rated D; Argonaut High School (high), rated B. All sit in Amador County Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 Preston Ave, Ione, CA compare to other homes in Ione 95640?

Among the 3,638 homes in Ione 95640, it is worth more than 68% of them ($520,000 against a typical $457,736), its price per square foot is higher than 45% of them ($271 against a typical $275), it is bigger than 68% of them (1,919 ft² against a typical 1,671 ft²), its lot is bigger than 60% of them (0.28 ac against a typical 0.23 ac) and it is newer than 3% of them (1930 against a typical 1999). Measured against all of Amador County, it is worth more than 74% 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 509 Preston Ave, Ione, CA?

The 2025 property tax bill for 509 Preston Ave, Ione, CA was $5,049. The county assessed it at $509,378.

More homes on Preston Ave

Closest homes

More homes in Ione 95640

Assigned schools

Explore the area

See this home in context

Open 509 Preston Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map