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Duplex (2 Units, Any Combination)Residential
$392,320$186 / 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 95How 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
Last sold for $230,000 on Sep 24, 2020

4378 DEL ROSA RD

PHELAN, CA 92371
6
Beds
4
Baths
2,112 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.
2.01 ac
Lot SizeThe size of the land the home sits on, from county records.
1987
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$392K
$372K low$413K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$230,000 · Sep 24, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,155 (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.$253,937 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$55,203
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$198,734

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.53
42
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
96
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
61
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.
39
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.19 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.0.2 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Modular
CountySAN BERNARDINO
Lot (acres)The size of the land the home sits on, from county records.2.01
ConstructionThe main material the home's frame and walls are built from.Manufactured (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Evaporative
FireplaceWhether the home has a fireplace, and what kind.Yes
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
Phelan Elementary SchoolD
Elementary · Grades KG–5 · 2.6 mi
M
Pinon Mesa Middle SchoolD+
Middle · Grades 6–8 · 3.2 mi
H
Serrano High SchoolC+
High · Grades 9–12 · 3.5 mi

District: Snowline Joint Unified School District

Neighborhood · ZIP 92371These 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.85
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.415

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.7.3%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
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.21,197
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.150 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$70,592
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$107,191
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.19 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.68%

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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

4378 Del Rosa 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 78% of homes in San Bernardino County
  • Costs less per square foot than 95% of homes in San Bernardino County
  • Bigger than 75% of homes in San Bernardino County
  • Has a bigger lot than 93% of homes in San Bernardino County
  • Older than 69% of homes in Phelan 92371

What homes are worth in Phelan 92371

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

This home
$231K$758K

This home is worth more than 28% of homes in Phelan 92371.

How it measures up in Phelan 92371

The dot is this home. The mark in the middle is the typical home in Phelan 92371.

Estimated value$392,320
CheaperTypical $462,112Pricier

Pricier than 28% of homes nearby

Price per ft²$186
CheaperTypical $235Pricier

Pricier than 11% of homes nearby

Living area2,112 ft²
SmallerTypical 1,710 ft²Bigger

Bigger than 72% of homes nearby

Lot size2.01 ac
SmallerTypical 2.21 acBigger

Bigger than 32% of homes nearby

Year built1987
OlderTypical 1990Newer

Newer than 31% of homes nearby

How 4378 Del Rosa Rd ranks against every home in each area.
MeasureThis homePhelan 92371San Bernardino County
Estimated valuepricier than$392,32028% of homes22% of homes
Price per ft²pricier than$18611% of homes5% of homes
Living areabigger than2,112 ft²72% of homes75% of homes
Lot sizebigger than2.01 ac32% of homes93% of homes
Year builtnewer than198731% of homes59% of homes

About 4378 Del Rosa Rd

How much is 4378 Del Rosa Rd, Phelan, CA worth?

The TopHap Estimate for 4378 Del Rosa Rd, Phelan, CA is $392,320 as of Jul 14, 2026. The likely range is $372,094 to $412,546. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4378 Del Rosa Rd, Phelan, CA last sell?

4378 Del Rosa Rd, Phelan, CA last sold on Sep 24, 2020 for $230,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 4378 Del Rosa Rd, Phelan, CA?

4378 Del Rosa Rd, Phelan, CA has 6 bedrooms, 4 bathrooms, 2,112 square feet of living space and a 2.01-acre lot.

When was 4378 Del Rosa Rd, Phelan, CA built?

4378 Del Rosa Rd, Phelan, CA was built in 1987, making it 39 years old. It is a modular home. The building has 1 story.

What schools serve 4378 Del Rosa Rd, Phelan, CA?

4378 Del Rosa Rd, Phelan, CA is assigned to Phelan Elementary School (elementary), rated D; Pinon Mesa Middle School (middle), rated D+; Serrano High School (high), rated C+. All sit in Snowline Joint Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4378 Del Rosa Rd, Phelan, CA compare to other homes in Phelan 92371?

Among the 6,313 homes in Phelan 92371, it is worth more than 28% of them ($392,320 against a typical $462,112), its price per square foot is higher than 11% of them ($186 against a typical $235), it is bigger than 72% of them (2,112 ft² against a typical 1,710 ft²), its lot is bigger than 32% of them (2.01 ac against a typical 2.21 ac) and it is newer than 31% of them (1987 against a typical 1990). Measured against all of San Bernardino County, it is worth more than 22% 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 4378 Del Rosa Rd, Phelan, CA?

The 2025 property tax bill for 4378 Del Rosa Rd, Phelan, CA was $3,155. The county assessed it at $253,937.

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