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VineyardAgriculture / Farming
Last sold for $1,400,000 on Jun 28, 2013

21820 RIVER LN

GEYSERVILLE, CA 95441
2
Beds
2
Baths
1,106 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.
26.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1983
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.
5
ParkingThe number of parking spaces on the property, including the garage.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,400,000 · Jun 28, 2013

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$23,378 (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.$2,163,336 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,588,278
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$575,058
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$2,133,949

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.38
95
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
72
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
27
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.135 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 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.Vineyard
CountySONOMA
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.2013
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
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, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Geyserville Elementary SchoolD
Elementary · Grades KG–5 · 0.6 mi
M
Geyserville New Tech AcademyC-
Middle · Grades 6–12 · 0.9 mi

District: Geyserville Unified School District

Neighborhood · ZIP 95441These 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.132
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.629

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.82%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
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.1.4%
PopulationHow many people live in this area.1,650
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.23 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$126,133
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$211,187
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.46 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

21820 River Ln 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.

  • Smaller than 83% of homes in Sonoma County
  • Among the largest lots in Sonoma County

How it measures up in Geyserville 95441

The dot is this home. The mark in the middle is the typical home in Geyserville 95441.

Living area1,106 ft²
SmallerTypical 1,512 ft²Bigger

Bigger than 19% of homes nearby

Lot size26.12 ac
SmallerTypical 0.45 acBigger

Bigger than 98% of homes nearby

Year built1983
OlderTypical 1971Newer

Newer than 62% of homes nearby

How 21820 River Ln ranks against every home in each area.
MeasureThis homeGeyserville 95441Sonoma County
Living areabigger than1,106 ft²19% of homes17% of homes
Lot sizebigger than26.12 ac98% of homesalmost all homes
Year builtnewer than198362% of homes58% of homes

About 21820 River Ln

When did 21820 River Ln, Geyserville, CA last sell?

21820 River Ln, Geyserville, CA last sold on Jun 28, 2013 for $1,400,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 21820 River Ln, Geyserville, CA?

21820 River Ln, Geyserville, CA has 2 bedrooms, 2 bathrooms and 1,106 square feet of living space.

When was 21820 River Ln, Geyserville, CA built?

21820 River Ln, Geyserville, CA was built in 1983, making it 43 years old. The building has 1 story.

What schools serve 21820 River Ln, Geyserville, CA?

21820 River Ln, Geyserville, CA is assigned to Geyserville Elementary School (elementary), rated D; Geyserville New Tech Academy (middle), rated C-. All sit in Geyserville Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21820 River Ln, Geyserville, CA compare to other homes in Geyserville 95441?

Among the 465 homes in Geyserville 95441, it is bigger than 19% of them (1,106 ft² against a typical 1,512 ft²), its lot is bigger than 98% of them (26.12 ac against a typical 0.45 ac) and it is newer than 62% of them (1983 against a typical 1971). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 21820 River Ln, Geyserville, CA?

The 2025 property tax bill for 21820 River Ln, Geyserville, CA was $23,378. The county assessed it at $2,163,336.

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