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Single Family ResidenceResidential
$331,051$267 / 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 92How 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

21370 ROUNDUP WAY

APPLE VALLEY, CA 92308
1
Beds
1
Baths
1,240 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.
1.14 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.
4
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

$331K
$305K low$357K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$258,551
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$206,841
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.21%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$72,500
NEWREZ LLC · recorded Apr 1, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,747 (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.$307,484 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$122,994
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$184,490

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountySAN BERNARDINO
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Floor/Wall Furnace
CoolingThe type of cooling or air conditioning in the home.Evaporative
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Mariana AcademyF
Elementary · Grades KG–8 · 1.7 mi
H
Apple Valley High SchoolC
High · Grades 9–12 · 3.2 mi

District: Apple Valley Unified School District

Neighborhood · ZIP 92308These 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.119
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.378

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.43,558
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.349 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$67,642
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,399
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.12 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.68%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.No

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

21370 Roundup Way 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 87% of homes in San Bernardino County
  • Costs more per square foot than 76% of homes in Apple Valley 92308
  • Smaller than 82% of homes in Apple Valley 92308
  • Has a bigger lot than 92% of homes in San Bernardino County
  • Older than 75% of homes in Apple Valley 92308

What homes are worth in Apple Valley 92308

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

This home
$201K$749K

This home is worth more than 21% of homes in Apple Valley 92308.

How it measures up in Apple Valley 92308

The dot is this home. The mark in the middle is the typical home in Apple Valley 92308.

Estimated value$331,051
CheaperTypical $397,188Pricier

Pricier than 21% of homes nearby

Price per ft²$267
CheaperTypical $229Pricier

Pricier than 76% of homes nearby

Living area1,240 ft²
SmallerTypical 1,674 ft²Bigger

Bigger than 18% of homes nearby

Lot size1.14 ac
SmallerTypical 0.46 acBigger

Bigger than 81% of homes nearby

Year built1983
OlderTypical 1990Newer

Newer than 25% of homes nearby

How 21370 Roundup Way ranks against every home in each area.
MeasureThis homeApple Valley 92308San Bernardino County
Estimated valuepricier than$331,05121% of homes13% of homes
Price per ft²pricier than$26776% of homes30% of homes
Living areabigger than1,240 ft²18% of homes26% of homes
Lot sizebigger than1.14 ac81% of homes92% of homes
Year builtnewer than198325% of homes49% of homes

About 21370 Roundup Way

How much is 21370 Roundup Way, Apple Valley, CA worth?

The TopHap Estimate for 21370 Roundup Way, Apple Valley, CA is $331,051 as of Jul 14, 2026. The likely range is $304,891 to $357,211. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21370 Roundup Way, Apple Valley, CA last sell?

21370 Roundup Way, Apple Valley, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21370 Roundup Way, Apple Valley, CA?

21370 Roundup Way, Apple Valley, CA has 1 bedrooms, 1 bathrooms and 1,240 square feet of living space.

When was 21370 Roundup Way, Apple Valley, CA built?

21370 Roundup Way, Apple Valley, CA was built in 1983, making it 43 years old. It is a conventional home. The building has 1 story.

What schools serve 21370 Roundup Way, Apple Valley, CA?

21370 Roundup Way, Apple Valley, CA is assigned to Mariana Academy (elementary), rated F; Apple Valley High School (high), rated C. All sit in Apple Valley Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21370 Roundup Way, Apple Valley, CA compare to other homes in Apple Valley 92308?

Among the 14,700 homes in Apple Valley 92308, it is worth more than 21% of them ($331,051 against a typical $397,188), its price per square foot is higher than 76% of them ($267 against a typical $229), it is bigger than 18% of them (1,240 ft² against a typical 1,674 ft²), its lot is bigger than 81% of them (1.14 ac against a typical 0.46 ac) and it is newer than 25% of them (1983 against a typical 1990). Measured against all of San Bernardino County, it is worth more than 13% 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 21370 Roundup Way, Apple Valley, CA?

The 2025 property tax bill for 21370 Roundup Way, Apple Valley, CA was $3,747. The county assessed it at $307,484.

More homes on Roundup Way

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More homes in Apple Valley 92308

Assigned schools

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