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Planned Unit Development (Pud)Residential
$482,682$470 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $304,000 on May 14, 2004

163 ACORN DR

PETALUMA, CA 94952
2
Beds
1.5
Baths
1,028 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.
1,779 ft²
Lot SizeThe size of the land the home sits on, from county records.
1983
Year BuiltThe year the home was originally built, according to county records.
2
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.

Valuation

$483K
$437K low$528K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$304,000 · May 14, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,785 (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.$440,848 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$290,034
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$150,814
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$432,205

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.7
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
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.
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.Planned Unit Development (Pud)
StyleThe architectural style of the home, such as ranch or colonial.Custom Design
CountySONOMA
Lot (acres)The size of the land the home sits on, from county records.0.04
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(6)

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
McKinley Elementary SchoolB
Elementary · Grades KG–6 · 0.9 mi
M
Petaluma Junior High SchoolB-
Middle · Grades 7–8 · 1.3 mi
H
Petaluma High SchoolB
High · Grades 9–12 · 1.5 mi

District: Petaluma City Elementary School District

Neighborhood · ZIP 94952These 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.92
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 100.359

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.93%
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.6.5%
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.35,634
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.160 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$113,828
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$154,802
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.39 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

163 Acorn Dr 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.

  • Among the least valuable homes in Petaluma 94952
  • Costs less per square foot than 89% of homes in Petaluma 94952
  • Smaller than 87% of homes in Petaluma 94952
  • Has a smaller lot than 95% of homes in Petaluma 94952
  • Newer than 71% of homes in Petaluma 94952

What homes are worth in Petaluma 94952

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

This home
$536K$2.4M

This home is worth less than almost all homes in Petaluma 94952.

How it measures up in Petaluma 94952

The dot is this home. The mark in the middle is the typical home in Petaluma 94952.

Estimated value$482,682
CheaperTypical $1,034,171Pricier

Cheaper than almost all homes nearby

Price per ft²$470
CheaperTypical $602Pricier

Pricier than 11% of homes nearby

Living area1,028 ft²
SmallerTypical 1,689 ft²Bigger

Bigger than 13% of homes nearby

Lot size1,779 ft²
SmallerTypical 0.18 acBigger

Bigger than 5% of homes nearby

Year built1983
OlderTypical 1964Newer

Newer than 71% of homes nearby

How 163 Acorn Dr ranks against every home in each area.
MeasureThis homePetaluma 94952Sonoma County
Estimated valuepricier than$482,682almost no homes10% of homes
Price per ft²pricier than$47011% of homes44% of homes
Living areabigger than1,028 ft²13% of homes13% of homes
Lot sizebigger than1,779 ft²5% of homes8% of homes
Year builtnewer than198371% of homes58% of homes

About 163 Acorn Dr

How much is 163 Acorn Dr, Petaluma, CA worth?

The TopHap Estimate for 163 Acorn Dr, Petaluma, CA is $482,682 as of Oct 21, 2026. The likely range is $437,017 to $528,347. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 163 Acorn Dr, Petaluma, CA last sell?

163 Acorn Dr, Petaluma, CA last sold on May 14, 2004 for $304,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 163 Acorn Dr, Petaluma, CA?

163 Acorn Dr, Petaluma, CA has 2 bedrooms, 1.5 bathrooms, 1,028 square feet of living space and a 0.04-acre lot.

When was 163 Acorn Dr, Petaluma, CA built?

163 Acorn Dr, Petaluma, CA was built in 1983, making it 43 years old. It is a custom design home. The building has 2 stories.

What schools serve 163 Acorn Dr, Petaluma, CA?

163 Acorn Dr, Petaluma, CA is assigned to McKinley Elementary School (elementary), rated B; Petaluma Junior High School (middle), rated B-; Petaluma High School (high), rated B. All sit in Petaluma City Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 163 Acorn Dr, Petaluma, CA compare to other homes in Petaluma 94952?

Among the 10,074 homes in Petaluma 94952, it is worth more than almost none of them ($482,682 against a typical $1,034,171), its price per square foot is higher than 11% of them ($470 against a typical $602), it is bigger than 13% of them (1,028 ft² against a typical 1,689 ft²), its lot is bigger than 5% of them (1,779 ft² against a typical 0.18 ac) and it is newer than 71% of them (1983 against a typical 1964). Measured against all of Sonoma County, it is worth more than 10% 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 163 Acorn Dr, Petaluma, CA?

The 2025 property tax bill for 163 Acorn Dr, Petaluma, CA was $4,785. The county assessed it at $440,848.

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