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Single Family ResidenceResidential
$874,015$572 / 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 Sep 24, 2026
Last sold for $287,000 on Jul 7, 1999

865 FIRST ST

SEBASTOPOL, CA 95472
3
Beds
2
Baths
1,527 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.
0.43 ac
Lot SizeThe size of the land the home sits on, from county records.
1978
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$874K
$783K low$965K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$287,000 · Jul 7, 1999

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,490 (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.$449,612 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$188,119
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$261,493
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$440,797

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.20
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
73
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.
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
CountySONOMA
Lot (acres)The size of the land the home sits on, from county records.0.43
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
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
Park Side Elementary SchoolB+
Elementary · Grades KG–4 · 0.5 mi
M
Brook Haven Middle SchoolB
Middle · Grades 5–8 · 0.8 mi
H
Analy High SchoolB+
High · Grades 9–12 · 1.0 mi

District: West Sonoma County Union High 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

865 First 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 69% of homes in Sebastopol 95472
  • Costs more per square foot than 72% of homes in Sonoma County
  • Has a bigger lot than 76% of homes in Sonoma County
  • Newer than 70% of homes in Sebastopol 95472

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
$497K$2.3M

This home is worth more than 31% 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$874,015
CheaperTypical $1,017,818Pricier

Pricier than 31% of homes nearby

Price per ft²$572
CheaperTypical $599Pricier

Pricier than 42% of homes nearby

Living area1,527 ft²
SmallerTypical 1,668 ft²Bigger

Bigger than 41% of homes nearby

Lot size0.43 ac
SmallerTypical 1.03 acBigger

Bigger than 30% of homes nearby

Year built1978
OlderTypical 1971Newer

Newer than 70% of homes nearby

How 865 First St ranks against every home in each area.
MeasureThis homeSebastopol 95472Sonoma County
Estimated valuepricier than$874,01531% of homes63% of homes
Price per ft²pricier than$57242% of homes72% of homes
Living areabigger than1,527 ft²41% of homes48% of homes
Lot sizebigger than0.43 ac30% of homes76% of homes
Year builtnewer than197870% of homes51% of homes

About 865 First St

How much is 865 First St, Sebastopol, CA worth?

The TopHap Estimate for 865 First St, Sebastopol, CA is $874,015 as of Sep 24, 2026. The likely range is $783,198 to $964,832. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 865 First St, Sebastopol, CA last sell?

865 First St, Sebastopol, CA last sold on Jul 7, 1999 for $287,000, according to the county's recorded deed.

How big is 865 First St, Sebastopol, CA?

865 First St, Sebastopol, CA has 3 bedrooms, 2 bathrooms, 1,527 square feet of living space and a 0.43-acre lot.

When was 865 First St, Sebastopol, CA built?

865 First St, Sebastopol, CA was built in 1978, making it 48 years old. The building has 1 story.

What schools serve 865 First St, Sebastopol, CA?

865 First St, Sebastopol, CA is assigned to Park Side Elementary School (elementary), rated B+; Brook Haven Middle School (middle), rated B; Analy High School (high), rated B+. All sit in West Sonoma County Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 865 First St, Sebastopol, CA compare to other homes in Sebastopol 95472?

Among the 9,231 homes in Sebastopol 95472, it is worth more than 31% of them ($874,015 against a typical $1,017,818), its price per square foot is higher than 42% of them ($572 against a typical $599), it is bigger than 41% of them (1,527 ft² against a typical 1,668 ft²), its lot is bigger than 30% of them (0.43 ac against a typical 1.03 ac) and it is newer than 70% of them (1978 against a typical 1971). Measured against all of Sonoma County, it is worth more than 63% 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 865 First St, Sebastopol, CA?

The 2025 property tax bill for 865 First St, Sebastopol, CA was $5,490. The county assessed it at $449,612.

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