Skip to content
Skip to content
TopHapOpen in map
Light Industrial (10% Improved Office Space; Machine Shop)Industrial

4175 GUARDIAN ST

SIMI VALLEY, CA 93063
0
Baths
130,172 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.
4.62 ac
Lot SizeThe size of the land the home sits on, from county records.
1993
Year BuiltThe year the home was originally built, according to county records.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$141,786 (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.$12,924,625 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,039,468
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$8,885,157
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$12,671,201

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.47
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
75
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
46
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
31
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.Light Industrial (10% Improved Office Space; Machine Shop)
CountyVENTURA
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(13)

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
Mountain View Elementary SchoolC+
Elementary · Grades KG–6 · 1.5 mi
H
Simi Valley High SchoolB
High · Grades 9–12 · 1.8 mi
M
Valley View Middle SchoolC-
Middle · Grades 6–8 · 2.1 mi

District: Simi Valley Unified School District

Neighborhood · ZIP 93063These 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.72
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.114
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.580

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.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.6%
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.54,519
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,079 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$111,983
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$147,478
Average tempThe average temperature here across a full year.63°F
Annual precipHow much rain and melted snow falls here in a typical year.18 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.73%

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

4175 Guardian 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.

  • Among the largest homes in Simi Valley 93063
  • Among the largest lots in Simi Valley 93063
  • Newer than 82% of homes in Simi Valley 93063

How it measures up in Simi Valley 93063

The dot is this home. The mark in the middle is the typical home in Simi Valley 93063.

Living area130,172 ft²
SmallerTypical 1,705 ft²Bigger

Bigger than almost all homes nearby

Lot size4.62 ac
SmallerTypical 0.17 acBigger

Bigger than almost all homes nearby

Year built1993
OlderTypical 1976Newer

Newer than 82% of homes nearby

How 4175 Guardian St ranks against every home in each area.
MeasureThis homeSimi Valley 93063Ventura County
Living areabigger than130,172 ft²almost all homesalmost all homes
Lot sizebigger than4.62 acalmost all homesalmost all homes
Year builtnewer than199382% of homes79% of homes

About 4175 Guardian St

When did 4175 Guardian St, Simi Valley, CA last sell?

4175 Guardian St, Simi Valley, CA last sold on Apr 11, 2008, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

When was 4175 Guardian St, Simi Valley, CA built?

4175 Guardian St, Simi Valley, CA was built in 1993, making it 33 years old.

What schools serve 4175 Guardian St, Simi Valley, CA?

4175 Guardian St, Simi Valley, CA is assigned to Mountain View 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 4175 Guardian St, Simi Valley, CA compare to other homes in Simi Valley 93063?

Among the 17,146 homes in Simi Valley 93063, it is bigger than almost all of them (130,172 ft² against a typical 1,705 ft²), its lot is bigger than almost all of them (4.62 ac against a typical 0.17 ac) and it is newer than 82% of them (1993 against a typical 1976). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 4175 Guardian St, Simi Valley, CA?

The 2025 property tax bill for 4175 Guardian St, Simi Valley, CA was $141,786. The county assessed it at $12,924,625.

More homes on Guardian St

Closest homes

More homes in Simi Valley 93063

Assigned schools

Explore the area

See this home in context

Open 4175 Guardian St 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