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Single Family ResidenceResidential
$1,074,081$746 / 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 83How 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
Last sold for $520,000 on Mar 22, 2011

8989 BARNETT VALLEY RD

SEBASTOPOL, CA 95472
2
Beds
2
Baths
1,440 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.
4.53 ac
Lot SizeThe size of the land the home sits on, from county records.
1975
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.1M
$892K low$1.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$520,000 · Mar 22, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,054 (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.$705,902 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$418,171
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$287,731
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$692,062

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.26
23
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
82
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.19 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.minimal

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.Custom Design
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.1976
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.None
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(9)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(3)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Twin Hills Charter Middle SchoolA
Middle · Grades 6–8 · 1.1 mi
E
Apple Blossom SchoolB+
Elementary · Grades KG–5 · 1.4 mi
H
Analy High SchoolA-
High · Grades 9–12 · 3.1 mi

District: Twin Hills Union Elementary School District

Neighborhood · ZIP 95472These 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.95
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.345

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.27%
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.1.1%
PopulationHow many people live in this area.27,478
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.409 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$113,961
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$137,547
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.44 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

8989 Barnett Valley 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 78% of homes in Sonoma County
  • Costs more per square foot than 89% of homes in Sonoma County
  • Has a bigger lot than 94% of homes in Sonoma County

What homes are worth in Sebastopol 95472

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

This home
$488K$2.4M

This home is worth more than 56% of homes in Sebastopol 95472.

How it measures up in Sebastopol 95472

The dot is this home. The mark in the middle is the typical home in Sebastopol 95472.

Estimated value$1,074,081
CheaperTypical $1,017,255Pricier

Pricier than 56% of homes nearby

Price per ft²$746
CheaperTypical $611Pricier

Pricier than 78% of homes nearby

Living area1,440 ft²
SmallerTypical 1,664 ft²Bigger

Bigger than 36% of homes nearby

Lot size4.53 ac
SmallerTypical 1.02 acBigger

Bigger than 87% of homes nearby

Year built1975
OlderTypical 1971Newer

Newer than 61% of homes nearby

How 8989 Barnett Valley Rd ranks against every home in each area.
MeasureThis homeSebastopol 95472Sonoma County
Estimated valuepricier than$1,074,08156% of homes78% of homes
Price per ft²pricier than$74678% of homes89% of homes
Living areabigger than1,440 ft²36% of homes42% of homes
Lot sizebigger than4.53 ac87% of homes94% of homes
Year builtnewer than197561% of homes44% of homes

About 8989 Barnett Valley Rd

How much is 8989 Barnett Valley Rd, Sebastopol, CA worth?

The TopHap Estimate for 8989 Barnett Valley Rd, Sebastopol, CA is $1,074,081 as of Aug 30, 2026. The likely range is $891,568 to $1,256,594. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8989 Barnett Valley Rd, Sebastopol, CA last sell?

8989 Barnett Valley Rd, Sebastopol, CA last sold on Mar 22, 2011 for $520,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 8989 Barnett Valley Rd, Sebastopol, CA?

8989 Barnett Valley Rd, Sebastopol, CA has 2 bedrooms, 2 bathrooms and 1,440 square feet of living space.

When was 8989 Barnett Valley Rd, Sebastopol, CA built?

8989 Barnett Valley Rd, Sebastopol, CA was built in 1975, making it 51 years old. It is a custom design home. The building has 1 story.

What schools serve 8989 Barnett Valley Rd, Sebastopol, CA?

8989 Barnett Valley Rd, Sebastopol, CA is assigned to Twin Hills Charter Middle School (middle), rated A; Apple Blossom School (elementary), rated B+; Analy High School (high), rated A-. All sit in Twin Hills Union Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8989 Barnett Valley Rd, Sebastopol, CA compare to other homes in Sebastopol 95472?

Among the 9,231 homes in Sebastopol 95472, it is worth more than 56% of them ($1,074,081 against a typical $1,017,255), its price per square foot is higher than 78% of them ($746 against a typical $611), it is bigger than 36% of them (1,440 ft² against a typical 1,664 ft²), its lot is bigger than 87% of them (4.53 ac against a typical 1.02 ac) and it is newer than 61% of them (1975 against a typical 1971). Measured against all of Sonoma County, it is worth more than 78% 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 8989 Barnett Valley Rd, Sebastopol, CA?

The 2025 property tax bill for 8989 Barnett Valley Rd, Sebastopol, CA was $8,054. The county assessed it at $705,902.

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