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Single Family ResidenceResidential
$1,485,000$648 / 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 90How 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 $1,485,000 on Aug 21, 2026

6649 ROUND OAK RD

PENNGROVE, CA 94951
3
Beds
2.5
Baths
2,292 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.
4.25 ac
Lot SizeThe size of the land the home sits on, from county records.
2000
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

$1.5M
$1.3M low$1.6M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,485,000 · Aug 21, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,305 (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.$696,580 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$291,326
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$405,254
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$682,922

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.22
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
86
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
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.None
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
Penngrove Elementary SchoolB+
Elementary · Grades KG–6 · 4.9 mi
M
Petaluma Junior High SchoolC-
Middle · Grades 7–8 · 8.6 mi
H
Petaluma High SchoolA-
High · Grades 9–12 · 8.7 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

6649 Round Oak 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.

  • Worth more than 90% of homes in Sonoma County
  • Costs more per square foot than 81% of homes in Sonoma County
  • Bigger than 83% of homes in Sonoma County
  • Has a bigger lot than 94% of homes in Sonoma County
  • Newer than 86% 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
$683K$2.4M

This home is worth more than 75% of 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$1,485,000
CheaperTypical $1,212,287Pricier

Pricier than 75% of homes nearby

Price per ft²$648
CheaperTypical $631Pricier

Pricier than 56% of homes nearby

Living area2,292 ft²
SmallerTypical 1,930 ft²Bigger

Bigger than 69% of homes nearby

Lot size4.25 ac
SmallerTypical 1.23 acBigger

Bigger than 86% of homes nearby

Year built2000
OlderTypical 1976Newer

Newer than 86% of homes nearby

How 6649 Round Oak Rd ranks against every home in each area.
MeasureThis homePenngrove 94951Sonoma County
Estimated valuepricier than$1,485,00075% of homes90% of homes
Price per ft²pricier than$64856% of homes81% of homes
Living areabigger than2,292 ft²69% of homes83% of homes
Lot sizebigger than4.25 ac86% of homes94% of homes
Year builtnewer than200086% of homes85% of homes

About 6649 Round Oak Rd

How much is 6649 Round Oak Rd, Penngrove, CA worth?

The TopHap Estimate for 6649 Round Oak Rd, Penngrove, CA is $1,485,000 as of Aug 30, 2026. The likely range is $1,340,737 to $1,629,263. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6649 Round Oak Rd, Penngrove, CA last sell?

6649 Round Oak Rd, Penngrove, CA last sold on Aug 21, 2026 for $1,485,000, according to the county's recorded deed.

How big is 6649 Round Oak Rd, Penngrove, CA?

6649 Round Oak Rd, Penngrove, CA has 3 bedrooms, 2.5 bathrooms and 2,292 square feet of living space.

When was 6649 Round Oak Rd, Penngrove, CA built?

6649 Round Oak Rd, Penngrove, CA was built in 2000, making it 26 years old. The building has 1 story.

What schools serve 6649 Round Oak Rd, Penngrove, CA?

6649 Round Oak 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 6649 Round Oak Rd, Penngrove, CA compare to other homes in Penngrove 94951?

Among the 1,304 homes in Penngrove 94951, it is worth more than 75% of them ($1,485,000 against a typical $1,212,287), its price per square foot is higher than 56% of them ($648 against a typical $631), it is bigger than 69% of them (2,292 ft² against a typical 1,930 ft²), its lot is bigger than 86% of them (4.25 ac against a typical 1.23 ac) and it is newer than 86% of them (2000 against a typical 1976). Measured against all of Sonoma County, it is worth more than 90% 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 6649 Round Oak Rd, Penngrove, CA?

The 2025 property tax bill for 6649 Round Oak Rd, Penngrove, CA was $8,305. The county assessed it at $696,580.

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