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Single Family ResidenceResidential
$2,907,625$483 / 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 80How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $1,675,000 on Aug 1, 2017

2275 ROBERTS RD

PENNGROVE, CA 94951
4
Beds
3 / 2
Baths
6,020 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.
15 ac
Lot SizeThe size of the land the home sits on, from county records.
1980
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
12
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$2.9M
$2.3M low$3.5M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,675,000 · Aug 1, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$22,276 (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.$1,949,219 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,015,509
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$933,710
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,911,000

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.21
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
80
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.1981
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
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.Yes

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
Penngrove Elementary SchoolB+
Elementary · Grades KG–6 · 2.1 mi
M
Petaluma Junior High SchoolC-
Middle · Grades 7–8 · 6.8 mi
H
Petaluma High SchoolA-
High · Grades 9–12 · 7.2 mi

District: Petaluma City Elementary School District

Neighborhood · ZIP 94951These 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.73
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.434

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.4,227
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.312 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$119,607
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$148,317
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.37 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

2275 Roberts Rd 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 most valuable homes in Penngrove 94951
  • Costs less per square foot than 88% of homes in Penngrove 94951
  • Among the largest homes in Penngrove 94951
  • Has a bigger lot than 98% of homes in Penngrove 94951

What homes are worth in Penngrove 94951

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

This home
$689K$2.2M

This home is worth more than almost all homes in Penngrove 94951.

How it measures up in Penngrove 94951

The dot is this home. The mark in the middle is the typical home in Penngrove 94951.

Estimated value$2,907,625
CheaperTypical $1,207,479Pricier

Pricier than almost all homes nearby

Price per ft²$483
CheaperTypical $626Pricier

Pricier than 12% of homes nearby

Living area6,020 ft²
SmallerTypical 1,930 ft²Bigger

Bigger than almost all homes nearby

Lot size15 ac
SmallerTypical 1.21 acBigger

Bigger than 98% of homes nearby

Year built1980
OlderTypical 1976Newer

Newer than 60% of homes nearby

How 2275 Roberts Rd ranks against every home in each area.
MeasureThis homePenngrove 94951Sonoma County
Estimated valuepricier than$2,907,625almost all homesalmost all homes
Price per ft²pricier than$48312% of homes49% of homes
Living areabigger than6,020 ft²almost all homesalmost all homes
Lot sizebigger than15 ac98% of homes98% of homes
Year builtnewer than198060% of homes55% of homes

About 2275 Roberts Rd

How much is 2275 Roberts Rd, Penngrove, CA worth?

The TopHap Estimate for 2275 Roberts Rd, Penngrove, CA is $2,907,625 as of Jul 14, 2026. The likely range is $2,320,992 to $3,494,258. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 2275 Roberts Rd, Penngrove, CA last sell?

2275 Roberts Rd, Penngrove, CA last sold on Aug 1, 2017 for $1,675,000, according to the county's recorded deed.

How big is 2275 Roberts Rd, Penngrove, CA?

2275 Roberts Rd, Penngrove, CA has 4 bedrooms, 3 bathrooms and 6,020 square feet of living space.

When was 2275 Roberts Rd, Penngrove, CA built?

2275 Roberts Rd, Penngrove, CA was built in 1980, making it 46 years old. The building has 1 story.

What schools serve 2275 Roberts Rd, Penngrove, CA?

2275 Roberts Rd, Penngrove, CA is assigned to Penngrove Elementary School (elementary), rated B+; Petaluma Junior High School (middle), rated C-; Petaluma High School (high), rated A-. All sit in Petaluma City Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 2275 Roberts Rd, Penngrove, CA compare to other homes in Penngrove 94951?

Among the 1,306 homes in Penngrove 94951, it is worth more than almost all of them ($2,907,625 against a typical $1,207,479), its price per square foot is higher than 12% of them ($483 against a typical $626), it is bigger than almost all of them (6,020 ft² against a typical 1,930 ft²), its lot is bigger than 98% of them (15 ac against a typical 1.21 ac) and it is newer than 60% of them (1980 against a typical 1976). Measured against all of Sonoma County, it is worth more than almost all 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 2275 Roberts Rd, Penngrove, CA?

The 2025 property tax bill for 2275 Roberts Rd, Penngrove, CA was $22,276. The county assessed it at $1,949,219.

More homes on Roberts Rd

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