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Single Family ResidenceResidential
$1,022,956$471 / 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 93How 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 $1,048,500 on Sep 29, 2023

552 SAPPHIRE ST

PETALUMA, CA 94952
4
Beds
2.5
Baths
2,174 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.
3,403 ft²
Lot SizeThe size of the land the home sits on, from county records.
2023
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
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

$1M
$954K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,048,500 · Sep 29, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,893 (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.$1,090,745 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$436,968
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$653,777
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,069,358

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.23
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
79
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.Single Family Residence
CountySONOMA
Lot (acres)The size of the land the home sits on, from county records.0.08
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
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(1)

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
Grant Elementary SchoolA
Elementary · Grades KG–6 · 0.9 mi
H
Petaluma High SchoolB
High · Grades 9–12 · 1.8 mi
M
Petaluma Junior High SchoolB-
Middle · Grades 7–8 · 2.5 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

552 Sapphire 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 76% of homes in Sonoma County
  • Costs less per square foot than 88% of homes in Western
  • Bigger than 80% of homes in Sonoma County
  • Has a smaller lot than 90% of homes in Petaluma 94952
  • Among the newest 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
$531K$2.2M

This home is worth more than 51% of 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$1,022,956
CheaperTypical $1,013,877Pricier

Pricier than 51% of homes nearby

Price per ft²$471
CheaperTypical $595Pricier

Pricier than 13% of homes nearby

Living area2,174 ft²
SmallerTypical 1,687 ft²Bigger

Bigger than 71% of homes nearby

Lot size3,403 ft²
SmallerTypical 0.18 acBigger

Bigger than 10% of homes nearby

Year built2023
OlderTypical 1964Newer

Newer than almost all homes nearby

How 552 Sapphire St ranks against every home in each area.
MeasureThis homeWesternPetaluma 94952Sonoma County
Estimated valuepricier than$1,022,95644% of homes51% of homes76% of homes
Price per ft²pricier than$47112% of homes13% of homes44% of homes
Living areabigger than2,174 ft²65% of homes71% of homes80% of homes
Lot sizebigger than3,403 ft²12% of homes10% of homes13% of homes
Year builtnewer than2023almost all homesalmost all homesalmost all homes

About 552 Sapphire St

How much is 552 Sapphire St, Petaluma, CA worth?

The TopHap Estimate for 552 Sapphire St, Petaluma, CA is $1,022,956 as of Sep 24, 2026. The likely range is $953,778 to $1,092,134. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 552 Sapphire St, Petaluma, CA last sell?

552 Sapphire St, Petaluma, CA last sold on Sep 29, 2023 for $1,048,500, according to the county's recorded deed.

How big is 552 Sapphire St, Petaluma, CA?

552 Sapphire St, Petaluma, CA has 4 bedrooms, 2.5 bathrooms, 2,174 square feet of living space and a 0.08-acre lot.

When was 552 Sapphire St, Petaluma, CA built?

552 Sapphire St, Petaluma, CA was built in 2023, making it 3 years old. The building has 2 stories.

What schools serve 552 Sapphire St, Petaluma, CA?

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

How does 552 Sapphire St, Petaluma, CA compare to other homes in Petaluma 94952?

Among the 10,074 homes in Petaluma 94952, it is worth more than 51% of them ($1,022,956 against a typical $1,013,877), its price per square foot is higher than 13% of them ($471 against a typical $595), it is bigger than 71% of them (2,174 ft² against a typical 1,687 ft²), its lot is bigger than 10% of them (3,403 ft² against a typical 0.18 ac) and it is newer than almost all of them (2023 against a typical 1964). Measured against all of Sonoma County, it is worth more than 76% 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 552 Sapphire St, Petaluma, CA?

The 2025 property tax bill for 552 Sapphire St, Petaluma, CA was $13,893. The county assessed it at $1,090,745.

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