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Single Family ResidenceResidential
$765,000$679 / 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 Aug 30, 2026
Last sold for $758,000 on Sep 4, 2026

18 EASTSIDE CIR

PETALUMA, CA 94954
3
Beds
2
Baths
1,127 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1966
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
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

$765K
$668K low$862K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$758,000 · Sep 4, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,206 (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.$545,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$218,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$327,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$188,381

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.24
41
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
46
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
36
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.9 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.1967
Lot (acres)The size of the land the home sits on, from county records.0.14
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(5)

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
La Tercera Elementary SchoolA-
Elementary · Grades KG–6 · 0.8 mi
H
Casa Grande High SchoolA-
High · Grades 9–12 · 1.4 mi
M
Kenilworth Junior High SchoolB
Middle · Grades 7–8 · 1.8 mi

District: Old Adobe Union Elementary School District

Neighborhood · ZIP 94954These 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.61
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.420

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.38,369
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.556 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$117,220
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$141,939
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.30 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

18 Eastside Cir 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.

  • Costs more per square foot than 98% of homes in Adobe
  • Smaller than 90% of homes in Adobe
  • Has a smaller lot than 84% of homes in Adobe
  • Older than 86% of homes in Petaluma 94954

What homes are worth in Petaluma 94954

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

This home
$556K$1.5M

This home is worth more than 41% of homes in Petaluma 94954.

How it measures up in Petaluma 94954

The dot is this home. The mark in the middle is the typical home in Petaluma 94954.

Estimated value$765,000
CheaperTypical $797,350Pricier

Pricier than 41% of homes nearby

Price per ft²$679
CheaperTypical $478Pricier

Pricier than 97% of homes nearby

Living area1,127 ft²
SmallerTypical 1,678 ft²Bigger

Bigger than 11% of homes nearby

Lot size0.14 ac
SmallerTypical 0.14 acBigger

Bigger than 32% of homes nearby

Year built1966
OlderTypical 1984Newer

Newer than 14% of homes nearby

How 18 Eastside Cir ranks against every home in each area.
MeasureThis homeAdobePetaluma 94954Sonoma County
Estimated valuepricier than$765,00043% of homes41% of homes49% of homes
Price per ft²pricier than$67998% of homes97% of homes84% of homes
Living areabigger than1,127 ft²10% of homes11% of homes18% of homes
Lot sizebigger than0.14 ac16% of homes32% of homes31% of homes
Year builtnewer than196620% of homes14% of homes31% of homes

About 18 Eastside Cir

How much is 18 Eastside Cir, Petaluma, CA worth?

The TopHap Estimate for 18 Eastside Cir, Petaluma, CA is $765,000 as of Aug 30, 2026. The likely range is $668,220 to $861,780. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Eastside Cir, Petaluma, CA last sell?

18 Eastside Cir, Petaluma, CA last sold on Sep 4, 2026 for $758,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 18 Eastside Cir, Petaluma, CA?

18 Eastside Cir, Petaluma, CA has 3 bedrooms, 2 bathrooms, 1,127 square feet of living space and a 0.14-acre lot.

When was 18 Eastside Cir, Petaluma, CA built?

18 Eastside Cir, Petaluma, CA was built in 1966, making it 60 years old. The building has 1 story.

What schools serve 18 Eastside Cir, Petaluma, CA?

18 Eastside Cir, Petaluma, CA is assigned to La Tercera Elementary School (elementary), rated A-; Casa Grande High School (high), rated A-; Kenilworth Junior High School (middle), rated B. All sit in Old Adobe Union Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Eastside Cir, Petaluma, CA compare to other homes in Petaluma 94954?

Among the 11,797 homes in Petaluma 94954, it is worth more than 41% of them ($765,000 against a typical $797,350), its price per square foot is higher than 97% of them ($679 against a typical $478), it is bigger than 11% of them (1,127 ft² against a typical 1,678 ft²), its lot is bigger than 32% of them (0.14 ac against a typical 0.14 ac) and it is newer than 14% of them (1966 against a typical 1984). Measured against all of Sonoma County, it is worth more than 49% 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 18 Eastside Cir, Petaluma, CA?

The 2025 property tax bill for 18 Eastside Cir, Petaluma, CA was $2,206. The county assessed it at $545,000.

More homes on Eastside Cir

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