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Single Family ResidenceResidential
$639,821$202 / 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 Jul 14, 2026

309 NORTHSTAR PL

GRASS VALLEY, CA 95945
6
Beds
4
Baths
3,168 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1978
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$640K
$601K low$679K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,109 (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.$369,685 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$97,705
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$271,980
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$362,438
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$765,090

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
Lot (acres)The size of the land the home sits on, from county records.0.20
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.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 · 3,100 ft²

Transaction History(4)

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
Bell Hill AcademyB+
Elementary · Grades KG–4 · 0.8 mi
M
Lyman Gilmore Middle SchoolC
Middle · Grades 5–8 · 1.1 mi
H
Nevada Union High SchoolB+
High · Grades 9–12 · 1.6 mi

District: Grass Valley Elementary 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

309 Northstar Pl 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 79% of homes in Grass Valley 95945
  • Costs less per square foot than 98% of homes in Grass Valley 95945
  • Bigger than 95% of homes in Grass Valley 95945
  • Has a smaller lot than 87% of homes in Nevada County
  • Older than 67% 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
$250K$1.1M

This home is worth more than 79% 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$639,821
CheaperTypical $492,419Pricier

Pricier than 79% of homes nearby

Price per ft²$202
CheaperTypical $327Pricier

Pricier than 2% of homes nearby

Living area3,168 ft²
SmallerTypical 1,523 ft²Bigger

Bigger than 95% of homes nearby

Lot size0.2 ac
SmallerTypical 0.67 acBigger

Bigger than 26% of homes nearby

Year built1978
OlderTypical 1977Newer

Newer than 53% of homes nearby

How 309 Northstar Pl ranks against every home in each area.
MeasureThis homeGrass Valley 95945Nevada County
Estimated valuepricier than$639,82179% of homes54% of homes
Price per ft²pricier than$2022% of homes4% of homes
Living areabigger than3,168 ft²95% of homes92% of homes
Lot sizebigger than0.2 ac26% of homes13% of homes
Year builtnewer than197853% of homes33% of homes

About 309 Northstar Pl

How much is 309 Northstar Pl, Grass Valley, CA worth?

The TopHap Estimate for 309 Northstar Pl, Grass Valley, CA is $639,821 as of Jul 14, 2026. The likely range is $600,661 to $678,981. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 309 Northstar Pl, Grass Valley, CA last sell?

309 Northstar Pl, Grass Valley, CA last sold on Jan 1, 1900, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 309 Northstar Pl, Grass Valley, CA?

309 Northstar Pl, Grass Valley, CA has 6 bedrooms, 4 bathrooms, 3,168 square feet of living space and a 0.20-acre lot.

When was 309 Northstar Pl, Grass Valley, CA built?

309 Northstar Pl, Grass Valley, CA was built in 1978, making it 48 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 309 Northstar Pl, Grass Valley, CA?

309 Northstar Pl, Grass Valley, CA is assigned to Bell Hill Academy (elementary), rated B+; Lyman Gilmore Middle School (middle), rated C; Nevada Union High School (high), rated B+. All sit in Grass Valley Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 309 Northstar Pl, 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 79% of them ($639,821 against a typical $492,419), its price per square foot is higher than 2% of them ($202 against a typical $327), it is bigger than 95% of them (3,168 ft² against a typical 1,523 ft²), its lot is bigger than 26% of them (0.2 ac against a typical 0.67 ac) and it is newer than 53% of them (1978 against a typical 1977). Measured against all of Nevada County, it is worth more than 54% 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 309 Northstar Pl, Grass Valley, CA?

The 2025 property tax bill for 309 Northstar Pl, Grass Valley, CA was $4,109. The county assessed it at $369,685.

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