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Single Family ResidenceResidential
$408,131$293 / 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 98How 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 $248,000 on May 14, 2021

640 K ST

SPARKS, NV 89431
3
Beds
1
Baths
1,394 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1953
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

$408K
$400K low$416K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$248,000 · May 14, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$880 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$52,756 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$34,090
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$18,666
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$52,066
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$89,590

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.8 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.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
CountyWASHOE
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.1956
Lot (acres)The size of the land the home sits on, from county records.0.14
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 472 ft²

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
Greenbrae Elementary SchoolC-
Elementary · Grades KG–5 · 0.3 mi
M
George L. Dilworth Middle SchoolD
Middle · Grades 6–8 · 0.4 mi
H
Sparks High School
High · Grades 9–12 · 0.6 mi

District: Washoe County School District

Neighborhood · ZIP 89431These 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.108
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.292

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.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.44,169
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,309 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$62,174
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$74,891
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.8 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.79%

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

640 K St 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 84% of homes in Washoe County
  • Costs less per square foot than 71% of homes in Washoe County
  • Smaller than 70% of homes in Washoe County
  • Has a smaller lot than 66% of homes in Washoe County
  • Older than 94% of homes in Washoe County

What homes are worth in Sparks 89431

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

This home
$225K$672K

This home is worth more than 53% of homes in Sparks 89431.

How it measures up in Sparks 89431

The dot is this home. The mark in the middle is the typical home in Sparks 89431.

Estimated value$408,131
CheaperTypical $403,601Pricier

Pricier than 53% of homes nearby

Price per ft²$293
CheaperTypical $307Pricier

Pricier than 40% of homes nearby

Living area1,394 ft²
SmallerTypical 1,232 ft²Bigger

Bigger than 65% of homes nearby

Lot size0.14 ac
SmallerTypical 0.14 acBigger

Bigger than 50% of homes nearby

Year built1953
OlderTypical 1965Newer

Newer than 17% of homes nearby

How 640 K St ranks against every home in each area.
MeasureThis homeSparks 89431Washoe County
Estimated valuepricier than$408,13153% of homes16% of homes
Price per ft²pricier than$29340% of homes29% of homes
Living areabigger than1,394 ft²65% of homes30% of homes
Lot sizebigger than0.14 ac50% of homes34% of homes
Year builtnewer than195317% of homes6% of homes

About 640 K St

How much is 640 K St, Sparks, NV worth?

The TopHap Estimate for 640 K St, Sparks, NV is $408,131 as of Sep 24, 2026. The likely range is $400,272 to $415,990. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 640 K St, Sparks, NV last sell?

640 K St, Sparks, NV last sold on May 14, 2021 for $248,000, according to the county's recorded deed.

How big is 640 K St, Sparks, NV?

640 K St, Sparks, NV has 3 bedrooms, 1 bathrooms, 1,394 square feet of living space and a 0.14-acre lot.

When was 640 K St, Sparks, NV built?

640 K St, Sparks, NV was built in 1953, making it 73 years old. The building has 1 story.

What schools serve 640 K St, Sparks, NV?

640 K St, Sparks, NV is assigned to Greenbrae Elementary School (elementary), rated C-; George L. Dilworth Middle School (middle), rated D; Sparks High School (high). All sit in Washoe County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 640 K St, Sparks, NV compare to other homes in Sparks 89431?

Among the 9,459 homes in Sparks 89431, it is worth more than 53% of them ($408,131 against a typical $403,601), its price per square foot is higher than 40% of them ($293 against a typical $307), it is bigger than 65% of them (1,394 ft² against a typical 1,232 ft²), its lot is bigger than 50% of them (0.14 ac against a typical 0.14 ac) and it is newer than 17% of them (1953 against a typical 1965). Measured against all of Washoe County, it is worth more than 16% 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 640 K St, Sparks, NV?

The 2026 property tax bill for 640 K St, Sparks, NV was $880. The county assessed it at $52,756.

More homes on K St

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Assigned schools

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