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Single Family ResidenceResidential
$929,179$496 / 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 92How 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 $759,000 on Jan 11, 2017

855 FIRST ST

SEBASTOPOL, CA 95472
3
Beds
2
Baths
1,872 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.
0.39 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$929K
$855K low$1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$759,000 · Jan 11, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,996 (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.$584,839 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$171,562
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$413,277
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$573,373

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
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.2005
Lot (acres)The size of the land the home sits on, from county records.0.39
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(8)

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 SchoolA+
Elementary · Grades KG–4 · 0.4 mi
M
Brook Haven Middle SchoolC
Middle · Grades 5–8 · 0.7 mi
H
Analy High SchoolA-
High · Grades 9–12 · 0.9 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

855 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 more than 69% of homes in Sonoma County
  • Costs less per square foot than 82% of homes in Sebastopol 95472
  • Bigger than 67% of homes in Sonoma County
  • Has a bigger lot than 75% of homes in Sonoma County
  • Newer than 82% 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
$487K$2.2M

This home is worth more than 39% 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$929,179
CheaperTypical $1,014,503Pricier

Pricier than 39% of homes nearby

Price per ft²$496
CheaperTypical $602Pricier

Pricier than 18% of homes nearby

Living area1,872 ft²
SmallerTypical 1,664 ft²Bigger

Bigger than 62% of homes nearby

Lot size0.39 ac
SmallerTypical 1.02 acBigger

Bigger than 28% of homes nearby

Year built1986
OlderTypical 1971Newer

Newer than 82% of homes nearby

How 855 First St ranks against every home in each area.
MeasureThis homeSebastopol 95472Sonoma County
Estimated valuepricier than$929,17939% of homes69% of homes
Price per ft²pricier than$49618% of homes53% of homes
Living areabigger than1,872 ft²62% of homes67% of homes
Lot sizebigger than0.39 ac28% of homes75% of homes
Year builtnewer than198682% of homes65% of homes

About 855 First St

How much is 855 First St, Sebastopol, CA worth?

The TopHap Estimate for 855 First St, Sebastopol, CA is $929,179 as of Sep 24, 2026. The likely range is $855,435 to $1,002,923. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 855 First St, Sebastopol, CA last sell?

855 First St, Sebastopol, CA last sold on Jan 11, 2017 for $759,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 855 First St, Sebastopol, CA?

855 First St, Sebastopol, CA has 3 bedrooms, 2 bathrooms, 1,872 square feet of living space and a 0.39-acre lot.

When was 855 First St, Sebastopol, CA built?

855 First St, Sebastopol, CA was built in 1986, making it 40 years old. The building has 1 story.

What schools serve 855 First St, Sebastopol, CA?

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

How does 855 First St, Sebastopol, CA compare to other homes in Sebastopol 95472?

Among the 9,231 homes in Sebastopol 95472, it is worth more than 39% of them ($929,179 against a typical $1,014,503), its price per square foot is higher than 18% of them ($496 against a typical $602), it is bigger than 62% of them (1,872 ft² against a typical 1,664 ft²), its lot is bigger than 28% of them (0.39 ac against a typical 1.02 ac) and it is newer than 82% of them (1986 against a typical 1971). Measured against all of Sonoma County, it is worth more than 69% 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 855 First St, Sebastopol, CA?

The 2025 property tax bill for 855 First St, Sebastopol, CA was $6,996. The county assessed it at $584,839.

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