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Single Family ResidenceResidential
$593,946$320 / 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 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

520 RICHARDSON ST

GRASS VALLEY, CA 95945
4
Beds
2.5
Baths
1,854 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1885
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
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

$594K
$537K low$651K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,705 (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.$256,622 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$59,855
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$196,767
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$251,591
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$565,020

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.0.16
HeatingThe type of heating system in the home.Baseboard
CoolingThe type of cooling or air conditioning in the home.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 · 1,854 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
Bell Hill AcademyB+
Elementary · Grades KG–4 · 0.3 mi
M
Lyman Gilmore Middle SchoolC
Middle · Grades 5–8 · 0.4 mi
H
Nevada Union High SchoolB+
High · Grades 9–12 · 1.5 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

520 Richardson 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 more than 72% of homes in Grass Valley 95945
  • Bigger than 68% of homes in Grass Valley 95945
  • Has a smaller lot than 90% of homes in Nevada County
  • Among the oldest 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
$256K$1.1M

This home is worth more than 72% 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$593,946
CheaperTypical $509,414Pricier

Pricier than 72% of homes nearby

Price per ft²$320
CheaperTypical $337Pricier

Pricier than 39% of homes nearby

Living area1,854 ft²
SmallerTypical 1,520 ft²Bigger

Bigger than 68% of homes nearby

Lot size0.16 ac
SmallerTypical 0.66 acBigger

Bigger than 18% of homes nearby

Year built1885
OlderTypical 1977Newer

Newer than 3% of homes nearby

How 520 Richardson St ranks against every home in each area.
MeasureThis homeGrass Valley 95945Nevada County
Estimated valuepricier than$593,94672% of homes46% of homes
Price per ft²pricier than$32039% of homes38% of homes
Living areabigger than1,854 ft²68% of homes56% of homes
Lot sizebigger than0.16 ac18% of homes10% of homes
Year builtnewer than18853% of homesalmost no homes

About 520 Richardson St

How much is 520 Richardson St, Grass Valley, CA worth?

The TopHap Estimate for 520 Richardson St, Grass Valley, CA is $593,946 as of Aug 30, 2026. The likely range is $537,237 to $650,655. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 520 Richardson St, Grass Valley, CA last sell?

520 Richardson St, Grass Valley, CA last sold on Jan 1, 1900, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 520 Richardson St, Grass Valley, CA?

520 Richardson St, Grass Valley, CA has 4 bedrooms, 2.5 bathrooms, 1,854 square feet of living space and a 0.16-acre lot.

When was 520 Richardson St, Grass Valley, CA built?

520 Richardson St, Grass Valley, CA was built in 1885, making it 141 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 520 Richardson St, Grass Valley, CA?

520 Richardson St, 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 520 Richardson St, 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 72% of them ($593,946 against a typical $509,414), its price per square foot is higher than 39% of them ($320 against a typical $337), it is bigger than 68% of them (1,854 ft² against a typical 1,520 ft²), its lot is bigger than 18% of them (0.16 ac against a typical 0.66 ac) and it is newer than 3% of them (1885 against a typical 1977). Measured against all of Nevada County, it is worth more than 46% 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 520 Richardson St, Grass Valley, CA?

The 2025 property tax bill for 520 Richardson St, Grass Valley, CA was $2,705. The county assessed it at $256,622.

More homes on Richardson St

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More homes in Grass Valley 95945

Assigned schools

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