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Single Family ResidenceResidential
$1,084,210$355 / 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 94How 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 $1,010,000 on Jun 22, 2022

18345 SPRING VALLEY DR

GRASS VALLEY, CA 95945
3
Beds
3.5
Baths
3,055 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.
5 ac
Lot SizeThe size of the land the home sits on, from county records.
1973
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.1M
$1M 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.$1,010,000 · Jun 22, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,393 (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.$987,600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$342,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$645,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$968,388
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$998,730

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Traditional/Old
CountyNEVADA
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.2000
HeatingThe type of heating system in the home.Central
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.Patio · 3,055 ft²

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.

E
Chicago Park Elementary SchoolB+
Elementary · Grades KG–8 · 1.2 mi
H
Nevada Union High SchoolB+
High · Grades 9–12 · 7.8 mi

District: Nevada Joint Union High School District

Neighborhood · ZIP 95945These 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.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.105

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.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.24,965
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.362 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$66,899
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$89,570
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.54 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

18345 Spring Valley 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 more than 98% of homes in Grass Valley 95945
  • Bigger than 93% of homes in Grass Valley 95945
  • Has a bigger lot than 85% of homes in Grass Valley 95945
  • Older than 80% of homes in Nevada County

What homes are worth in Grass Valley 95945

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

This home
$266K$1.1M

This home is worth more than 98% of homes in Grass Valley 95945.

How it measures up in Grass Valley 95945

The dot is this home. The mark in the middle is the typical home in Grass Valley 95945.

Estimated value$1,084,210
CheaperTypical $507,596Pricier

Pricier than 98% of homes nearby

Price per ft²$355
CheaperTypical $338Pricier

Pricier than 63% of homes nearby

Living area3,055 ft²
SmallerTypical 1,524 ft²Bigger

Bigger than 93% of homes nearby

Lot size5 ac
SmallerTypical 0.64 acBigger

Bigger than 85% of homes nearby

Year built1973
OlderTypical 1977Newer

Newer than 44% of homes nearby

How 18345 Spring Valley Dr ranks against every home in each area.
MeasureThis homeGrass Valley 95945Nevada County
Estimated valuepricier than$1,084,21098% of homes86% of homes
Price per ft²pricier than$35563% of homes52% of homes
Living areabigger than3,055 ft²93% of homes91% of homes
Lot sizebigger than5 ac85% of homes82% of homes
Year builtnewer than197344% of homes20% of homes

About 18345 Spring Valley Dr

How much is 18345 Spring Valley Dr, Grass Valley, CA worth?

The TopHap Estimate for 18345 Spring Valley Dr, Grass Valley, CA is $1,084,210 as of Sep 24, 2026. The likely range is $1,021,189 to $1,147,231. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18345 Spring Valley Dr, Grass Valley, CA last sell?

18345 Spring Valley Dr, Grass Valley, CA last sold on Jun 22, 2022 for $1,010,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 18345 Spring Valley Dr, Grass Valley, CA?

18345 Spring Valley Dr, Grass Valley, CA has 3 bedrooms, 3.5 bathrooms and 3,055 square feet of living space.

When was 18345 Spring Valley Dr, Grass Valley, CA built?

18345 Spring Valley Dr, Grass Valley, CA was built in 1973, making it 53 years old. It is a traditional/old home. The building has 1 story.

What schools serve 18345 Spring Valley Dr, Grass Valley, CA?

18345 Spring Valley Dr, Grass Valley, CA is assigned to Chicago Park Elementary School (elementary), rated B+; Nevada Union High School (high), rated B+. All sit in Nevada Joint Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18345 Spring Valley Dr, Grass Valley, CA compare to other homes in Grass Valley 95945?

Among the 9,193 homes in Grass Valley 95945, it is worth more than 98% of them ($1,084,210 against a typical $507,596), its price per square foot is higher than 63% of them ($355 against a typical $338), it is bigger than 93% of them (3,055 ft² against a typical 1,524 ft²), its lot is bigger than 85% of them (5 ac against a typical 0.64 ac) and it is newer than 44% of them (1973 against a typical 1977). Measured against all of Nevada County, it is worth more than 86% 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 18345 Spring Valley Dr, Grass Valley, CA?

The 2025 property tax bill for 18345 Spring Valley Dr, Grass Valley, CA was $10,393. The county assessed it at $987,600.

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