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Single Family ResidenceResidential
$653,259
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 89How 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 $467,500 on Jul 2, 2010

KNAPP RD

SIMI VALLEY, CA 91311
0
Baths
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$653K
$584K low$723K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$467,500 · Jul 2, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,880 (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.$171,295 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$171,295
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$167,937

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.51
11
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
85
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
47
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
34
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
80
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.10 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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
CountyVENTURA
Lot (acres)The size of the land the home sits on, from county records.0.23
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Knolls Elementary SchoolC-
Elementary · Grades KG–6 · 2.3 mi
H
Simi Valley High SchoolB
High · Grades 9–12 · 3.6 mi
M
Valley View Middle SchoolC-
Middle · Grades 6–8 · 5.5 mi

District: Simi Valley Unified School District

Neighborhood · ZIP 91311These 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.71
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.110
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.542

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.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.8%
PopulationHow many people live in this area.39,425
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,548 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$107,306
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$137,663
Average tempThe average temperature here across a full year.63°F
Annual precipHow much rain and melted snow falls here in a typical year.20 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.73%

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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

Knapp 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 less than 81% of homes in Chatsworth 91311
  • Has a bigger lot than 73% of homes in Ventura County

What homes are worth in Chatsworth 91311

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

This home
$464K$2.7M

This home is worth more than 19% of homes in Chatsworth 91311.

How it measures up in Chatsworth 91311

The dot is this home. The mark in the middle is the typical home in Chatsworth 91311.

Estimated value$653,259
CheaperTypical $917,322Pricier

Pricier than 19% of homes nearby

Lot size0.23 ac
SmallerTypical 0.27 acBigger

Bigger than 37% of homes nearby

How Knapp Rd ranks against every home in each area.
MeasureThis homeChatsworth 91311Ventura County
Estimated valuepricier than$653,25919% of homes20% of homes
Lot sizebigger than0.23 ac37% of homes73% of homes

About Knapp Rd

How much is Knapp Rd, Simi Valley, CA worth?

The TopHap Estimate for Knapp Rd, Simi Valley, CA is $653,259 as of Sep 24, 2026. The likely range is $583,979 to $722,539. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did Knapp Rd, Simi Valley, CA last sell?

Knapp Rd, Simi Valley, CA last sold on Jul 2, 2010 for $467,500, according to the county's recorded deed.

What schools serve Knapp Rd, Simi Valley, CA?

Knapp Rd, Simi Valley, CA is assigned to Knolls Elementary School (elementary), rated C-; Simi Valley High School (high), rated B; Valley View Middle School (middle), rated C-. All sit in Simi Valley Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does Knapp Rd, Simi Valley, CA compare to other homes in Chatsworth 91311?

Among the 11,363 homes in Chatsworth 91311, it is worth more than 19% of them ($653,259 against a typical $917,322) and its lot is bigger than 37% of them (0.23 ac against a typical 0.27 ac). Measured against all of Ventura County, it is worth more than 20% 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 Knapp Rd, Simi Valley, CA?

The 2025 property tax bill for Knapp Rd, Simi Valley, CA was $1,880. The county assessed it at $171,295.

More homes on Knapp Rd

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Assigned schools

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