Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$772,752$454 / 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 94How 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 $379,000 on Feb 22, 2002

640 CASCADE CT

PETALUMA, CA 94954
3
Beds
2
Baths
1,702 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1978
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.

Valuation

$773K
$729K low$816K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$379,000 · Feb 22, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,333 (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.$571,085 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$289,310
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$281,775
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$559,888

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
53
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
29
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.17 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.1979
Lot (acres)The size of the land the home sits on, from county records.0.19
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
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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
Sonoma Mountain Elementary Charter SchoolA
Elementary · Grades KG–6 · 0.9 mi
M
Kenilworth Junior High SchoolB
Middle · Grades 7–8 · 1.1 mi
H
Casa Grande High SchoolA-
High · Grades 9–12 · 2.4 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%

Owner Tools

Do you own this home?
Claim this home

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

640 Cascade Ct 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.

  • Has a bigger lot than 85% of homes in College
  • Older than 87% of homes in College

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
$495K$1.5M

This home is worth more than 46% 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$772,752
CheaperTypical $789,208Pricier

Pricier than 46% of homes nearby

Price per ft²$454
CheaperTypical $473Pricier

Pricier than 40% of homes nearby

Living area1,702 ft²
SmallerTypical 1,680 ft²Bigger

Bigger than 52% of homes nearby

Lot size0.19 ac
SmallerTypical 0.14 acBigger

Bigger than 83% of homes nearby

Year built1978
OlderTypical 1984Newer

Newer than 42% of homes nearby

How 640 Cascade Ct ranks against every home in each area.
MeasureThis homeCollegePetaluma 94954Sonoma County
Estimated valuepricier than$772,75241% of homes46% of homes51% of homes
Price per ft²pricier than$45438% of homes40% of homes39% of homes
Living areabigger than1,702 ft²49% of homes52% of homes58% of homes
Lot sizebigger than0.19 ac85% of homes83% of homes58% of homes
Year builtnewer than197813% of homes42% of homes51% of homes

About 640 Cascade Ct

How much is 640 Cascade Ct, Petaluma, CA worth?

The TopHap Estimate for 640 Cascade Ct, Petaluma, CA is $772,752 as of Jul 14, 2026. The likely range is $729,434 to $816,070. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 640 Cascade Ct, Petaluma, CA last sell?

640 Cascade Ct, Petaluma, CA last sold on Feb 22, 2002 for $379,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 640 Cascade Ct, Petaluma, CA?

640 Cascade Ct, Petaluma, CA has 3 bedrooms, 2 bathrooms, 1,702 square feet of living space and a 0.19-acre lot.

When was 640 Cascade Ct, Petaluma, CA built?

640 Cascade Ct, Petaluma, CA was built in 1978, making it 48 years old. The building has 1 story.

What schools serve 640 Cascade Ct, Petaluma, CA?

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

How does 640 Cascade Ct, Petaluma, CA compare to other homes in Petaluma 94954?

Among the 11,797 homes in Petaluma 94954, it is worth more than 46% of them ($772,752 against a typical $789,208), its price per square foot is higher than 40% of them ($454 against a typical $473), it is bigger than 52% of them (1,702 ft² against a typical 1,680 ft²), its lot is bigger than 83% of them (0.19 ac against a typical 0.14 ac) and it is newer than 42% of them (1978 against a typical 1984). Measured against all of Sonoma County, it is worth more than 51% 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 640 Cascade Ct, Petaluma, CA?

The 2025 property tax bill for 640 Cascade Ct, Petaluma, CA was $6,333. The county assessed it at $571,085.

More homes on Cascade Ct

Closest homes

More homes in Petaluma 94954

Assigned schools

Explore the area

See this home in context

Open 640 Cascade Ct on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map