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Single Family ResidenceResidential
$1,367,550$309 / 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 $153,000 on Jan 27, 2004

21434 ADAMSON DR

GRASS VALLEY, CA 95949
3
Beds
4
Baths
4,431 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.
10.7 ac
Lot SizeThe size of the land the home sits on, from county records.
2010
Year BuiltThe year the home was originally built, according to county records.
2
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.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.4M
$1.3M low$1.5M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$153,000 · Jan 27, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,115 (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.$1,238,587 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$221,874
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,016,713
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,214,302
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$990,630

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.15 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
StyleThe architectural style of the home, such as ranch or colonial.Traditional/Old
CountyNEVADA
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, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 3,295 ft²

Transaction History(3)

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
Cottage Hill Elementary SchoolB-
Elementary · Grades KG–5 · 1.9 mi
M
Magnolia Intermediate SchoolB+
Middle · Grades 6–8 · 2.0 mi
H
Bear River High SchoolA
High · Grades 9–12 · 2.5 mi

District: Pleasant Ridge Union Elementary School District

Neighborhood · ZIP 95949These 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.76
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 100.94

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.8.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.22,705
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.163 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$90,916
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$107,756
Average tempThe average temperature here across a full year.59°F
Annual precipHow much rain and melted snow falls here in a typical year.39 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

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

21434 Adamson 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.

  • Among the most valuable homes in Grass Valley 95949
  • Costs less per square foot than 67% of homes in Nevada County
  • Among the largest homes in Grass Valley 95949
  • Has a bigger lot than 92% of homes in Nevada County
  • Newer than 95% of homes in Grass Valley 95949

What homes are worth in Grass Valley 95949

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

This home
$303K$1.1M

This home is worth more than almost all homes in Grass Valley 95949.

How it measures up in Grass Valley 95949

The dot is this home. The mark in the middle is the typical home in Grass Valley 95949.

Estimated value$1,367,550
CheaperTypical $537,163Pricier

Pricier than almost all homes nearby

Price per ft²$309
CheaperTypical $291Pricier

Pricier than 62% of homes nearby

Living area4,431 ft²
SmallerTypical 1,788 ft²Bigger

Bigger than almost all homes nearby

Lot size10.7 ac
SmallerTypical 2.62 acBigger

Bigger than 82% of homes nearby

Year built2010
OlderTypical 1986Newer

Newer than 95% of homes nearby

How 21434 Adamson Dr ranks against every home in each area.
MeasureThis homeGrass Valley 95949Nevada County
Estimated valuepricier than$1,367,550almost all homes93% of homes
Price per ft²pricier than$30962% of homes33% of homes
Living areabigger than4,431 ft²almost all homesalmost all homes
Lot sizebigger than10.7 ac82% of homes92% of homes
Year builtnewer than201095% of homes94% of homes

About 21434 Adamson Dr

How much is 21434 Adamson Dr, Grass Valley, CA worth?

The TopHap Estimate for 21434 Adamson Dr, Grass Valley, CA is $1,367,550 as of Sep 24, 2026. The likely range is $1,263,479 to $1,471,621. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21434 Adamson Dr, Grass Valley, CA last sell?

21434 Adamson Dr, Grass Valley, CA last sold on Jan 27, 2004 for $153,000, according to the county's recorded deed.

How big is 21434 Adamson Dr, Grass Valley, CA?

21434 Adamson Dr, Grass Valley, CA has 3 bedrooms, 4 bathrooms and 4,431 square feet of living space.

When was 21434 Adamson Dr, Grass Valley, CA built?

21434 Adamson Dr, Grass Valley, CA was built in 2010, making it 16 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 21434 Adamson Dr, Grass Valley, CA?

21434 Adamson Dr, Grass Valley, CA is assigned to Cottage Hill Elementary School (elementary), rated B-; Magnolia Intermediate School (middle), rated B+; Bear River High School (high), rated A. All sit in Pleasant Ridge Union Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21434 Adamson Dr, Grass Valley, CA compare to other homes in Grass Valley 95949?

Among the 8,859 homes in Grass Valley 95949, it is worth more than almost all of them ($1,367,550 against a typical $537,163), its price per square foot is higher than 62% of them ($309 against a typical $291), it is bigger than almost all of them (4,431 ft² against a typical 1,788 ft²), its lot is bigger than 82% of them (10.7 ac against a typical 2.62 ac) and it is newer than 95% of them (2010 against a typical 1986). Measured against all of Nevada County, it is worth more than 93% 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 21434 Adamson Dr, Grass Valley, CA?

The 2025 property tax bill for 21434 Adamson Dr, Grass Valley, CA was $13,115. The county assessed it at $1,238,587.

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