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Single Family ResidenceResidential
$648,957$349 / 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 Aug 30, 2026
Last sold for $158,000 on Apr 30, 1996

403 PRATHER PL

SPRING VALLEY, CA 91977
4
Beds
3
Baths
1,861 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1978
Year BuiltThe year the home was originally built, according to county records.
2
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$649K
$612K low$686K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$158,000 · Apr 30, 1996

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,762 (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.$267,700 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$76,237
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$191,463
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$262,452

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.42
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
77
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
36
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
11
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
87
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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
CountySAN DIEGO
Lot (acres)The size of the land the home sits on, from county records.0.25
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.Forced Air With Air Conditioning
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.

M
STEAM Academy at La PresaB-
Middle · Grades 6–8 · 0.5 mi
E
La Presa Elementary SchoolC-
Elementary · Grades KG–5 · 0.6 mi
H
Mount Miguel High SchoolC-
High · Grades 9–12 · 1.5 mi

District: Grossmont Union High School District

Neighborhood · ZIP 91977These 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.66
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.198

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.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.61,121
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,580 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$86,172
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$118,122
Average tempThe average temperature here across a full year.63°F
Annual precipHow much rain and melted snow falls here in a typical year.13 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

403 Prather Pl 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 Diego County
  • Costs less per square foot than 96% of homes in San Diego County
  • Bigger than 81% of homes in La Presa
  • Has a bigger lot than 71% of homes in La Presa
  • Newer than 65% of homes in La Presa

What homes are worth in Spring Valley 91977

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

This home
$403K$1.1M

This home is worth more than 43% of homes in Spring Valley 91977.

How it measures up in Spring Valley 91977

The dot is this home. The mark in the middle is the typical home in Spring Valley 91977.

Estimated value$648,957
CheaperTypical $669,722Pricier

Pricier than 43% of homes nearby

Price per ft²$349
CheaperTypical $456Pricier

Pricier than 10% of homes nearby

Living area1,861 ft²
SmallerTypical 1,472 ft²Bigger

Bigger than 74% of homes nearby

Lot size0.25 ac
SmallerTypical 0.23 acBigger

Bigger than 55% of homes nearby

Year built1978
OlderTypical 1976Newer

Newer than 62% of homes nearby

How 403 Prather Pl ranks against every home in each area.
MeasureThis homeLa PresaSpring Valley 91977San Diego County
Estimated valuepricier than$648,95750% of homes43% of homes22% of homes
Price per ft²pricier than$34911% of homes10% of homes4% of homes
Living areabigger than1,861 ft²81% of homes74% of homes67% of homes
Lot sizebigger than0.25 ac71% of homes55% of homes50% of homes
Year builtnewer than197865% of homes62% of homes39% of homes

About 403 Prather Pl

How much is 403 Prather Pl, Spring Valley, CA worth?

The TopHap Estimate for 403 Prather Pl, Spring Valley, CA is $648,957 as of Aug 30, 2026. The likely range is $612,102 to $685,812. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 403 Prather Pl, Spring Valley, CA last sell?

403 Prather Pl, Spring Valley, CA last sold on Apr 30, 1996 for $158,000, according to the county's recorded deed.

How big is 403 Prather Pl, Spring Valley, CA?

403 Prather Pl, Spring Valley, CA has 4 bedrooms, 3 bathrooms, 1,861 square feet of living space and a 0.25-acre lot.

When was 403 Prather Pl, Spring Valley, CA built?

403 Prather Pl, Spring Valley, CA was built in 1978, making it 48 years old. It is a contemporary home. The building has 2 stories.

What schools serve 403 Prather Pl, Spring Valley, CA?

403 Prather Pl, Spring Valley, CA is assigned to STEAM Academy at La Presa (middle), rated B-; La Presa Elementary School (elementary), rated C-; Mount Miguel High School (high), rated C-. All sit in Grossmont Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 403 Prather Pl, Spring Valley, CA compare to other homes in Spring Valley 91977?

Among the 15,108 homes in Spring Valley 91977, it is worth more than 43% of them ($648,957 against a typical $669,722), its price per square foot is higher than 10% of them ($349 against a typical $456), it is bigger than 74% of them (1,861 ft² against a typical 1,472 ft²), its lot is bigger than 55% of them (0.25 ac against a typical 0.23 ac) and it is newer than 62% of them (1978 against a typical 1976). Measured against all of San Diego 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 403 Prather Pl, Spring Valley, CA?

The 2025 property tax bill for 403 Prather Pl, Spring Valley, CA was $3,762. The county assessed it at $267,700.

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