Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$339,394$389 / 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 88How 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 $95,000 on Dec 31, 2020

423 HENDERSON ST

GRASS VALLEY, CA 95945
2
Beds
1
Baths
872 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1881
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$339K
$298K low$381K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$95,000 · Dec 31, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,306 (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.$215,150 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$69,151
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$145,999
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$210,933
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$359,370

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.9 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.11%
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.0.2 percent flood zone

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
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.1940
Lot (acres)The size of the land the home sits on, from county records.0.17
HeatingThe type of heating system in the home.Baseboard
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 · 200 ft²Guest house

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 · 0.6 mi
M
Lyman Gilmore Middle SchoolC
Middle · Grades 5–8 · 1.0 mi
H
Nevada Union High SchoolB+
High · Grades 9–12 · 1.8 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%

Owner Tools

Do you own this home?
Claim this home

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

423 Henderson 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 94% of homes in Nevada County
  • Costs more per square foot than 81% of homes in Grass Valley 95945
  • Smaller than 94% of homes in Nevada County
  • 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
$259K$1.1M

This home is worth more than 9% 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$339,394
CheaperTypical $506,821Pricier

Pricier than 9% of homes nearby

Price per ft²$389
CheaperTypical $339Pricier

Pricier than 81% of homes nearby

Living area872 ft²
SmallerTypical 1,523 ft²Bigger

Bigger than 8% of homes nearby

Lot size0.17 ac
SmallerTypical 0.67 acBigger

Bigger than 18% of homes nearby

Year built1881
OlderTypical 1977Newer

Newer than 3% of homes nearby

How 423 Henderson St ranks against every home in each area.
MeasureThis homeGrass Valley 95945Nevada County
Estimated valuepricier than$339,3949% of homes6% of homes
Price per ft²pricier than$38981% of homes61% of homes
Living areabigger than872 ft²8% of homes6% of homes
Lot sizebigger than0.17 ac18% of homes10% of homes
Year builtnewer than18813% of homesalmost no homes

About 423 Henderson St

How much is 423 Henderson St, Grass Valley, CA worth?

The TopHap Estimate for 423 Henderson St, Grass Valley, CA is $339,394 as of Sep 24, 2026. The likely range is $297,656 to $381,132. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 423 Henderson St, Grass Valley, CA last sell?

423 Henderson St, Grass Valley, CA last sold on Dec 31, 2020 for $95,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 423 Henderson St, Grass Valley, CA?

423 Henderson St, Grass Valley, CA has 2 bedrooms, 1 bathrooms, 872 square feet of living space and a 0.17-acre lot.

When was 423 Henderson St, Grass Valley, CA built?

423 Henderson St, Grass Valley, CA was built in 1881, making it 145 years old. It is a traditional/old home. The building has 1 story.

What schools serve 423 Henderson St, Grass Valley, CA?

423 Henderson 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 423 Henderson 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 9% of them ($339,394 against a typical $506,821), its price per square foot is higher than 81% of them ($389 against a typical $339), it is bigger than 8% of them (872 ft² against a typical 1,523 ft²), its lot is bigger than 18% of them (0.17 ac against a typical 0.67 ac) and it is newer than 3% of them (1881 against a typical 1977). Measured against all of Nevada County, it is worth more than 6% 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 423 Henderson St, Grass Valley, CA?

The 2025 property tax bill for 423 Henderson St, Grass Valley, CA was $2,306. The county assessed it at $215,150.

More homes on Henderson St

Closest homes

More homes in Grass Valley 95945

Assigned schools

Explore the area

See this home in context

Open 423 Henderson St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map