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Rural ResidenceResidential
$1,013,552$548 / 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 87How 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

21189 RIVER RD

GEYSERVILLE, CA 95441
5
Beds
2
Baths
1,851 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.
1.27 ac
Lot SizeThe size of the land the home sits on, from county records.
1959
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1M
$883K low$1.1M high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$717,877
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$574,302
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.28%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$295,675
JPMORGAN CHASE BANK NA · recorded Sep 11, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$720 (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.$55,295 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$24,638
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$30,657
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$55,295

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.37
90
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
71
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.63 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.Rural Residence
CountySonoma
Lot (acres)The size of the land the home sits on, from county records.1.27
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

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.

M
Geyserville New Tech AcademyC-
Middle · Grades 6–12 · 0.4 mi
E
Geyserville Elementary SchoolD
Elementary · Grades KG–5 · 1.0 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

21189 River Rd 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 75% of homes in Sonoma County
  • Costs more per square foot than 67% of homes in Sonoma County
  • Bigger than 66% of homes in Sonoma County
  • Has a bigger lot than 85% of homes in Sonoma County
  • Older than 77% of homes in Sonoma County

What homes are worth in Geyserville 95441

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

This home
$360K$2.6M

This home is worth more than 68% of homes in Geyserville 95441.

How it measures up in Geyserville 95441

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

Estimated value$1,013,552
CheaperTypical $807,647Pricier

Pricier than 68% of homes nearby

Price per ft²$548
CheaperTypical $488Pricier

Pricier than 64% of homes nearby

Living area1,851 ft²
SmallerTypical 1,554 ft²Bigger

Bigger than 64% of homes nearby

Lot size1.27 ac
SmallerTypical 0.87 acBigger

Bigger than 58% of homes nearby

Year built1959
OlderTypical 1973Newer

Newer than 36% of homes nearby

How 21189 River Rd ranks against every home in each area.
MeasureThis homeGeyserville 95441Sonoma County
Estimated valuepricier than$1,013,55268% of homes75% of homes
Price per ft²pricier than$54864% of homes67% of homes
Living areabigger than1,851 ft²64% of homes66% of homes
Lot sizebigger than1.27 ac58% of homes85% of homes
Year builtnewer than195936% of homes23% of homes

About 21189 River Rd

How much is 21189 River Rd, Geyserville, CA worth?

The TopHap Estimate for 21189 River Rd, Geyserville, CA is $1,013,552 as of Jul 14, 2026. The likely range is $883,370 to $1,143,734. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21189 River Rd, Geyserville, CA last sell?

21189 River Rd, Geyserville, CA last sold on May 14, 1992, according to the county's recorded deed.

How big is 21189 River Rd, Geyserville, CA?

21189 River Rd, Geyserville, CA has 5 bedrooms, 2 bathrooms, 1,851 square feet of living space and a 1.27-acre lot.

When was 21189 River Rd, Geyserville, CA built?

21189 River Rd, Geyserville, CA was built in 1959, making it 67 years old. The building has 1 story.

What schools serve 21189 River Rd, Geyserville, CA?

21189 River Rd, Geyserville, CA is assigned to Geyserville New Tech Academy (middle), rated C-; Geyserville Elementary School (elementary), rated D. All sit in Geyserville Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21189 River Rd, Geyserville, CA compare to other homes in Geyserville 95441?

Among the 517 homes in Geyserville 95441, it is worth more than 68% of them ($1,013,552 against a typical $807,647), its price per square foot is higher than 64% of them ($548 against a typical $488), it is bigger than 64% of them (1,851 ft² against a typical 1,554 ft²), its lot is bigger than 58% of them (1.27 ac against a typical 0.87 ac) and it is newer than 36% of them (1959 against a typical 1973). Measured against all of Sonoma County, it is worth more than 75% 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 21189 River Rd, Geyserville, CA?

The 2025 property tax bill for 21189 River Rd, Geyserville, CA was $720. The county assessed it at $55,295.

Closest homes

More homes in Geyserville 95441

Assigned schools

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