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Single Family ResidenceResidential
$360,438$282 / 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 Sep 24, 2026

646 ALTURAS AVE

MODESTO, CA 95351
2
Beds
1
Baths
1,276 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1952
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$360K
$345K low$376K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,296 (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.$105,843 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$40,705
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$65,138
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$105,843

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.35
25
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
45
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
49
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
11
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
45
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.0.2 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
CountyStanislaus
Lot (acres)The size of the land the home sits on, from county records.0.15
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Floor/Wall Furnace
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Marshall ElementaryD+
Elementary · Grades KG–6 · 0.2 mi
H
Modesto High SchoolC+
High · Grades 9–12 · 0.7 mi
M
Mark Twain Junior HighC-
Middle · Grades 7–8 · 1.0 mi

District: Modesto City Elementary School District

Neighborhood · ZIP 95351These 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.105
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.159

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.7.0%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.2.1%
PopulationHow many people live in this area.52,180
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,963 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$55,315
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$72,592
Average tempThe average temperature here across a full year.61°F
Annual precipHow much rain and melted snow falls here in a typical year.13 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

646 Alturas 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 less than 85% of homes in Stanislaus County
  • Costs less per square foot than 69% of homes in Modesto 95351
  • Smaller than 72% of homes in Stanislaus County
  • Older than 84% of homes in Stanislaus County

What homes are worth in Modesto 95351

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

This home
$208K$660K

This home is worth more than 44% of homes in Modesto 95351.

How it measures up in Modesto 95351

The dot is this home. The mark in the middle is the typical home in Modesto 95351.

Estimated value$360,438
CheaperTypical $369,791Pricier

Pricier than 44% of homes nearby

Price per ft²$282
CheaperTypical $302Pricier

Pricier than 31% of homes nearby

Living area1,276 ft²
SmallerTypical 1,216 ft²Bigger

Bigger than 57% of homes nearby

Lot size0.15 ac
SmallerTypical 0.15 acBigger

Bigger than 52% of homes nearby

Year built1952
OlderTypical 1970Newer

Newer than 35% of homes nearby

How 646 Alturas Ave ranks against every home in each area.
MeasureThis homeModesto 95351Stanislaus County
Estimated valuepricier than$360,43844% of homes15% of homes
Price per ft²pricier than$28231% of homes45% of homes
Living areabigger than1,276 ft²57% of homes28% of homes
Lot sizebigger than0.15 ac52% of homes49% of homes
Year builtnewer than195235% of homes16% of homes

About 646 Alturas Ave

How much is 646 Alturas Ave, Modesto, CA worth?

The TopHap Estimate for 646 Alturas Ave, Modesto, CA is $360,438 as of Sep 24, 2026. The likely range is $344,785 to $376,091. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 646 Alturas Ave, Modesto, CA last sell?

646 Alturas Ave, Modesto, CA last sold on Jun 30, 1999, according to the county's recorded deed.

How big is 646 Alturas Ave, Modesto, CA?

646 Alturas Ave, Modesto, CA has 2 bedrooms, 1 bathrooms, 1,276 square feet of living space and a 0.15-acre lot.

When was 646 Alturas Ave, Modesto, CA built?

646 Alturas Ave, Modesto, CA was built in 1952, making it 74 years old. The building has 1 story.

What schools serve 646 Alturas Ave, Modesto, CA?

646 Alturas Ave, Modesto, CA is assigned to Marshall Elementary (elementary), rated D+; Modesto High School (high), rated C+; Mark Twain Junior High (middle), rated C-. All sit in Modesto City Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 646 Alturas Ave, Modesto, CA compare to other homes in Modesto 95351?

Among the 10,101 homes in Modesto 95351, it is worth more than 44% of them ($360,438 against a typical $369,791), its price per square foot is higher than 31% of them ($282 against a typical $302), it is bigger than 57% of them (1,276 ft² against a typical 1,216 ft²), its lot is bigger than 52% of them (0.15 ac against a typical 0.15 ac) and it is newer than 35% of them (1952 against a typical 1970). Measured against all of Stanislaus County, it is worth more than 15% 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 646 Alturas Ave, Modesto, CA?

The 2025 property tax bill for 646 Alturas Ave, Modesto, CA was $1,296. The county assessed it at $105,843.

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