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Single Family ResidenceResidential
$644,467$477 / 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 Sep 24, 2026
Last sold for $279,500 on Dec 19, 2012

447 HELSAM AVE

OXNARD, CA 93036
4
Beds
2
Baths
1,350 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$644K
$604K low$685K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$279,500 · Dec 19, 2012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,723 (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.$351,054 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$175,528
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$175,526
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$344,171

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.20
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
24
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
28
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
50
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.0.15
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 · 288 ft²

Transaction History(7)

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
Rio Plaza Elementary SchoolD-
Elementary · Grades KG–5 · 0.1 mi
M
Rio del Valle Middle SchoolC-
Middle · Grades 6–8 · 0.6 mi
H
Rio Mesa High SchoolC
High · Grades 9–12 · 1.3 mi

District: Rio Elementary School District

Neighborhood · ZIP 93036These 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.104
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 100.600

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.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.48,840
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,051 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$84,122
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$115,245
Average tempThe average temperature here across a full year.60°F
Annual precipHow much rain and melted snow falls here in a typical year.15 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

447 Helsam Ave 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 Ventura County
  • Smaller than 73% of homes in Oxnard 93036
  • Has a smaller lot than 70% of homes in El Rio
  • Older than 90% of homes in Ventura County

What homes are worth in Oxnard 93036

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

This home
$377K$1.4M

This home is worth more than 28% of homes in Oxnard 93036.

How it measures up in Oxnard 93036

The dot is this home. The mark in the middle is the typical home in Oxnard 93036.

Estimated value$644,467
CheaperTypical $776,682Pricier

Pricier than 28% of homes nearby

Price per ft²$477
CheaperTypical $456Pricier

Pricier than 62% of homes nearby

Living area1,350 ft²
SmallerTypical 1,675 ft²Bigger

Bigger than 27% of homes nearby

Lot size0.15 ac
SmallerTypical 0.15 acBigger

Bigger than 52% of homes nearby

Year built1955
OlderTypical 1988Newer

Newer than 14% of homes nearby

How 447 Helsam Ave ranks against every home in each area.
MeasureThis homeEl RioOxnard 93036Ventura County
Estimated valuepricier than$644,46742% of homes28% of homes19% of homes
Price per ft²pricier than$47736% of homes62% of homes41% of homes
Living areabigger than1,350 ft²58% of homes27% of homes29% of homes
Lot sizebigger than0.15 ac30% of homes52% of homes46% of homes
Year builtnewer than195559% of homes14% of homes10% of homes

About 447 Helsam Ave

How much is 447 Helsam Ave, Oxnard, CA worth?

The TopHap Estimate for 447 Helsam Ave, Oxnard, CA is $644,467 as of Sep 24, 2026. The likely range is $604,031 to $684,903. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 447 Helsam Ave, Oxnard, CA last sell?

447 Helsam Ave, Oxnard, CA last sold on Dec 19, 2012 for $279,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 447 Helsam Ave, Oxnard, CA?

447 Helsam Ave, Oxnard, CA has 4 bedrooms, 2 bathrooms, 1,350 square feet of living space and a 0.15-acre lot.

When was 447 Helsam Ave, Oxnard, CA built?

447 Helsam Ave, Oxnard, CA was built in 1955, making it 71 years old. The building has 1 story.

What schools serve 447 Helsam Ave, Oxnard, CA?

447 Helsam Ave, Oxnard, CA is assigned to Rio Plaza Elementary School (elementary), rated D-; Rio del Valle Middle School (middle), rated C-; Rio Mesa High School (high), rated C. All sit in Rio Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 447 Helsam Ave, Oxnard, CA compare to other homes in Oxnard 93036?

Among the 9,530 homes in Oxnard 93036, it is worth more than 28% of them ($644,467 against a typical $776,682), its price per square foot is higher than 62% of them ($477 against a typical $456), it is bigger than 27% of them (1,350 ft² against a typical 1,675 ft²), its lot is bigger than 52% of them (0.15 ac against a typical 0.15 ac) and it is newer than 14% of them (1955 against a typical 1988). Measured against all of Ventura County, it is worth more than 19% 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 447 Helsam Ave, Oxnard, CA?

The 2025 property tax bill for 447 Helsam Ave, Oxnard, CA was $4,723. The county assessed it at $351,054.

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