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Single Family ResidenceResidential
$891,859$431 / 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 $587,000 on May 15, 2015

25703 ALTA DR

VALENCIA, CA 91355
4
Beds
3
Baths
2,071 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1981
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.

Valuation

$892K
$838K low$946K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$587,000 · May 15, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,835 (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.$719,586 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$380,266
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$339,320
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$705,477

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.13 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.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
StyleThe architectural style of the home, such as ranch or colonial.Contemporary
CountyLOS ANGELES
Lot (acres)The size of the land the home sits on, from county records.0.17
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Tile
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

Transaction History(11)

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
Valencia Valley Elementary SchoolA+
Elementary · Grades KG–6 · 0.4 mi
M
Placerita Junior High SchoolA-
Middle · Grades 7–8 · 1.1 mi
H
William S. Hart High SchoolB+
High · Grades 9–12 · 1.4 mi

District: William S. Hart Union High School District (9-12)

Neighborhood · ZIP 91355These 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.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.498

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.8%
PopulationHow many people live in this area.38,221
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,851 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$109,404
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$141,382
Average tempThe average temperature here across a full year.63°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

25703 Alta Dr 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 more than 72% of homes in Valencia 91355
  • Costs less per square foot than 84% of homes in Los Angeles County
  • Bigger than 75% of homes in Valencia 91355
  • Newer than 77% of homes in Los Angeles County

What homes are worth in Valencia 91355

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

This home
$367K$1.5M

This home is worth more than 72% of homes in Valencia 91355.

How it measures up in Valencia 91355

The dot is this home. The mark in the middle is the typical home in Valencia 91355.

Estimated value$891,859
CheaperTypical $782,101Pricier

Pricier than 72% of homes nearby

Price per ft²$431
CheaperTypical $493Pricier

Pricier than 26% of homes nearby

Living area2,071 ft²
SmallerTypical 1,537 ft²Bigger

Bigger than 75% of homes nearby

Lot size0.17 ac
SmallerTypical 0.15 acBigger

Bigger than 57% of homes nearby

Year built1981
OlderTypical 1984Newer

Newer than 44% of homes nearby

How 25703 Alta Dr ranks against every home in each area.
MeasureThis homeValencia 91355Los Angeles County
Estimated valuepricier than$891,85972% of homes55% of homes
Price per ft²pricier than$43126% of homes16% of homes
Living areabigger than2,071 ft²75% of homes71% of homes
Lot sizebigger than0.17 ac57% of homes49% of homes
Year builtnewer than198144% of homes77% of homes

About 25703 Alta Dr

How much is 25703 Alta Dr, Valencia, CA worth?

The TopHap Estimate for 25703 Alta Dr, Valencia, CA is $891,859 as of Sep 24, 2026. The likely range is $838,111 to $945,607. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 25703 Alta Dr, Valencia, CA last sell?

25703 Alta Dr, Valencia, CA last sold on May 15, 2015 for $587,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 25703 Alta Dr, Valencia, CA?

25703 Alta Dr, Valencia, CA has 4 bedrooms, 3 bathrooms, 2,071 square feet of living space and a 0.17-acre lot.

When was 25703 Alta Dr, Valencia, CA built?

25703 Alta Dr, Valencia, CA was built in 1981, making it 45 years old. It is a contemporary home. The building has 1 story.

What schools serve 25703 Alta Dr, Valencia, CA?

25703 Alta Dr, Valencia, CA is assigned to Valencia Valley Elementary School (elementary), rated A+; Placerita Junior High School (middle), rated A-; William S. Hart High School (high), rated B+. All sit in William S. Hart Union High School District (9-12). Attendance boundaries change — confirm with the district before relying on an assignment.

How does 25703 Alta Dr, Valencia, CA compare to other homes in Valencia 91355?

Among the 10,505 homes in Valencia 91355, it is worth more than 72% of them ($891,859 against a typical $782,101), its price per square foot is higher than 26% of them ($431 against a typical $493), it is bigger than 75% of them (2,071 ft² against a typical 1,537 ft²), its lot is bigger than 57% of them (0.17 ac against a typical 0.15 ac) and it is newer than 44% of them (1981 against a typical 1984). Measured against all of Los Angeles County, it is worth more than 55% 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 25703 Alta Dr, Valencia, CA?

The 2025 property tax bill for 25703 Alta Dr, Valencia, CA was $9,835. The county assessed it at $719,586.

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