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Single Family ResidenceResidential
$651,560$571 / 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 85How 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 $316,500 on Aug 3, 2012

4503 N ISLE ROYALE ST

MOORPARK, CA 93021
3
Beds
2
Baths
1,141 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1983
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
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

$652K
$553K low$750K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$316,500 · Aug 3, 2012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,321 (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.$397,527 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$198,827
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$198,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$389,733

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.37
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
38
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
38
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
27
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
85
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
CountyVENTURA
Lot (acres)The size of the land the home sits on, from county records.0.13
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 168 ft²

Transaction History(8)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(4)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Peach Hill AcademyA
Elementary · Grades KG–5 · 0.5 mi
H
Moorpark High SchoolB
High · Grades 9–12 · 0.8 mi
M
Mesa Verde Middle SchoolB
Middle · Grades 6–8 · 1.1 mi

District: Moorpark Unified School District

Neighborhood · ZIP 93021These 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.47
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
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.98%
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.4.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.38,210
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.716 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$132,101
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$160,136
Average tempThe average temperature here across a full year.62°F
Annual precipHow much rain and melted snow falls here in a typical year.17 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

4503 N Isle Royale 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 less than 85% of homes in Moorpark 93021
  • Costs more per square foot than 90% of homes in Moorpark 93021
  • Smaller than 91% of homes in Moorpark 93021
  • Has a smaller lot than 73% of homes in Ventura County
  • Older than 68% of homes in Moorpark 93021

What homes are worth in Moorpark 93021

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

This home
$488K$2.2M

This home is worth more than 15% of homes in Moorpark 93021.

How it measures up in Moorpark 93021

The dot is this home. The mark in the middle is the typical home in Moorpark 93021.

Estimated value$651,560
CheaperTypical $926,411Pricier

Pricier than 15% of homes nearby

Price per ft²$571
CheaperTypical $462Pricier

Pricier than 90% of homes nearby

Living area1,141 ft²
SmallerTypical 1,942 ft²Bigger

Bigger than 9% of homes nearby

Lot size0.13 ac
SmallerTypical 0.16 acBigger

Bigger than 28% of homes nearby

Year built1983
OlderTypical 1987Newer

Newer than 32% of homes nearby

How 4503 N Isle Royale St ranks against every home in each area.
MeasureThis homeMoorpark 93021Ventura County
Estimated valuepricier than$651,56015% of homes20% of homes
Price per ft²pricier than$57190% of homes75% of homes
Living areabigger than1,141 ft²9% of homes16% of homes
Lot sizebigger than0.13 ac28% of homes27% of homes
Year builtnewer than198332% of homes64% of homes

About 4503 N Isle Royale St

How much is 4503 N Isle Royale St, Moorpark, CA worth?

The TopHap Estimate for 4503 N Isle Royale St, Moorpark, CA is $651,560 as of Sep 24, 2026. The likely range is $552,966 to $750,154. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4503 N Isle Royale St, Moorpark, CA last sell?

4503 N Isle Royale St, Moorpark, CA last sold on Aug 3, 2012 for $316,500, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 4503 N Isle Royale St, Moorpark, CA?

4503 N Isle Royale St, Moorpark, CA has 3 bedrooms, 2 bathrooms, 1,141 square feet of living space and a 0.13-acre lot.

When was 4503 N Isle Royale St, Moorpark, CA built?

4503 N Isle Royale St, Moorpark, CA was built in 1983, making it 43 years old. The building has 1 story.

What schools serve 4503 N Isle Royale St, Moorpark, CA?

4503 N Isle Royale St, Moorpark, CA is assigned to Peach Hill Academy (elementary), rated A; Moorpark High School (high), rated B; Mesa Verde Middle School (middle), rated B. All sit in Moorpark Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4503 N Isle Royale St, Moorpark, CA compare to other homes in Moorpark 93021?

Among the 10,689 homes in Moorpark 93021, it is worth more than 15% of them ($651,560 against a typical $926,411), its price per square foot is higher than 90% of them ($571 against a typical $462), it is bigger than 9% of them (1,141 ft² against a typical 1,942 ft²), its lot is bigger than 28% of them (0.13 ac against a typical 0.16 ac) and it is newer than 32% of them (1983 against a typical 1987). 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 4503 N Isle Royale St, Moorpark, CA?

The 2025 property tax bill for 4503 N Isle Royale St, Moorpark, CA was $4,321. The county assessed it at $397,527.

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