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Single Family ResidenceResidential
$978,230$263 / 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 Sep 24, 2026
Last sold for $245,000 on Aug 21, 1998

3640 LOS ALAMOS WAY

SACRAMENTO, CA 95864
4
Beds
3
Baths
3,713 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.
0.35 ac
Lot SizeThe size of the land the home sits on, from county records.
1965
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
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

$978K
$897K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$245,000 · Aug 21, 1998

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,487 (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.$469,299 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$127,912
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$341,387
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$460,098

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.44
36
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
71
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.
42
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
26
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.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
CountySACRAMENTO
Lot (acres)The size of the land the home sits on, from county records.0.35
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

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.

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

M
Arden Middle SchoolB-
Middle · Grades 6–8 · 0.6 mi
E
Mariemont Elementary SchoolA
Elementary · Grades KG–5 · 0.7 mi
H
Rio Americano High SchoolB+
High · Grades 9–12 · 1.4 mi

District: San Juan Unified School District

Neighborhood · ZIP 95864These 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.92
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.99

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.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.25,072
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,881 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$118,825
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$162,930
Average tempThe average temperature here across a full year.61°F
Annual precipHow much rain and melted snow falls here in a typical year.21 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

3640 Los Alamos Way 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 Sacramento County
  • Costs less per square foot than 98% of homes in Arden Park
  • Bigger than 97% of homes in Sacramento County
  • Has a bigger lot than 92% of homes in Sacramento County
  • Older than 72% of homes in Sacramento County

What homes are worth in Sacramento 95864

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

This home
$339K$2.7M

This home is worth more than 64% of homes in Sacramento 95864.

How it measures up in Sacramento 95864

The dot is this home. The mark in the middle is the typical home in Sacramento 95864.

Estimated value$978,230
CheaperTypical $790,607Pricier

Pricier than 64% of homes nearby

Price per ft²$263
CheaperTypical $386Pricier

Pricier than 3% of homes nearby

Living area3,713 ft²
SmallerTypical 2,014 ft²Bigger

Bigger than 88% of homes nearby

Lot size0.35 ac
SmallerTypical 0.25 acBigger

Bigger than 78% of homes nearby

Year built1965
OlderTypical 1956Newer

Newer than 65% of homes nearby

How 3640 Los Alamos Way ranks against every home in each area.
MeasureThis homeArden ParkSacramento 95864Sacramento County
Estimated valuepricier than$978,23058% of homes64% of homes95% of homes
Price per ft²pricier than$2632% of homes3% of homes19% of homes
Living areabigger than3,713 ft²85% of homes88% of homes97% of homes
Lot sizebigger than0.35 ac69% of homes78% of homes92% of homes
Year builtnewer than196569% of homes65% of homes28% of homes

About 3640 Los Alamos Way

How much is 3640 Los Alamos Way, Sacramento, CA worth?

The TopHap Estimate for 3640 Los Alamos Way, Sacramento, CA is $978,230 as of Sep 24, 2026. The likely range is $897,211 to $1,059,249. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3640 Los Alamos Way, Sacramento, CA last sell?

3640 Los Alamos Way, Sacramento, CA last sold on Aug 21, 1998 for $245,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3640 Los Alamos Way, Sacramento, CA?

3640 Los Alamos Way, Sacramento, CA has 4 bedrooms, 3 bathrooms, 3,713 square feet of living space and a 0.35-acre lot.

When was 3640 Los Alamos Way, Sacramento, CA built?

3640 Los Alamos Way, Sacramento, CA was built in 1965, making it 61 years old. The building has 2 stories.

What schools serve 3640 Los Alamos Way, Sacramento, CA?

3640 Los Alamos Way, Sacramento, CA is assigned to Arden Middle School (middle), rated B-; Mariemont Elementary School (elementary), rated A; Rio Americano High School (high), rated B+. All sit in San Juan Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3640 Los Alamos Way, Sacramento, CA compare to other homes in Sacramento 95864?

Among the 8,858 homes in Sacramento 95864, it is worth more than 64% of them ($978,230 against a typical $790,607), its price per square foot is higher than 3% of them ($263 against a typical $386), it is bigger than 88% of them (3,713 ft² against a typical 2,014 ft²), its lot is bigger than 78% of them (0.35 ac against a typical 0.25 ac) and it is newer than 65% of them (1965 against a typical 1956). Measured against all of Sacramento 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 3640 Los Alamos Way, Sacramento, CA?

The 2025 property tax bill for 3640 Los Alamos Way, Sacramento, CA was $5,487. The county assessed it at $469,299.

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