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Single Family ResidenceResidential
$908,635$579 / 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 96How 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 $850,000 on Apr 11, 2024

9531 PROSPECT AVE

LAKESIDE, CA 92040
3
Beds
2
Baths
1,568 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.
0.31 ac
Lot SizeThe size of the land the home sits on, from county records.
1970
Year BuiltThe year the home was originally built, according to county records.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$909K
$873K low$944K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$850,000 · Apr 11, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,052 (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.$884,338 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$651,047
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$233,291
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$866,999

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.
78
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
49
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
21
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
CountySAN DIEGO
Lot (acres)The size of the land the home sits on, from county records.0.31
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Lemon Crest Elementary SchoolD+
Elementary · Grades KG–5 · 0.3 mi
M
Lakeside Middle SchoolC+
Middle · Grades 6–8 · 0.8 mi
H
El Capitan High SchoolB
High · Grades 9–12 · 1.3 mi

District: Grossmont Union High School District

Neighborhood · ZIP 92040These 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.79
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.171

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.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.3%
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.44,462
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.573 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$98,021
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$121,613
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.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

9531 Prospect Ave 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 85% of homes in Winter Gardens
  • Costs more per square foot than 90% of homes in Winter Gardens
  • Has a smaller lot than 73% of homes in Winter Gardens
  • Older than 76% of homes in San Diego County

What homes are worth in Lakeside 92040

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

This home
$320K$1.2M

This home is worth more than 83% of homes in Lakeside 92040.

How it measures up in Lakeside 92040

The dot is this home. The mark in the middle is the typical home in Lakeside 92040.

Estimated value$908,635
CheaperTypical $752,448Pricier

Pricier than 83% of homes nearby

Price per ft²$579
CheaperTypical $469Pricier

Pricier than 90% of homes nearby

Living area1,568 ft²
SmallerTypical 1,541 ft²Bigger

Bigger than 52% of homes nearby

Lot size0.31 ac
SmallerTypical 0.5 acBigger

Bigger than 34% of homes nearby

Year built1970
OlderTypical 1977Newer

Newer than 31% of homes nearby

How 9531 Prospect Ave ranks against every home in each area.
MeasureThis homeWinter GardensLakeside 92040San Diego County
Estimated valuepricier than$908,63585% of homes83% of homes53% of homes
Price per ft²pricier than$57990% of homes90% of homes54% of homes
Living areabigger than1,568 ft²59% of homes52% of homes54% of homes
Lot sizebigger than0.31 ac27% of homes34% of homes55% of homes
Year builtnewer than197033% of homes31% of homes24% of homes

About 9531 Prospect Ave

How much is 9531 Prospect Ave, Lakeside, CA worth?

The TopHap Estimate for 9531 Prospect Ave, Lakeside, CA is $908,635 as of Aug 30, 2026. The likely range is $873,366 to $943,904. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9531 Prospect Ave, Lakeside, CA last sell?

9531 Prospect Ave, Lakeside, CA last sold on Apr 11, 2024 for $850,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 9531 Prospect Ave, Lakeside, CA?

9531 Prospect Ave, Lakeside, CA has 3 bedrooms, 2 bathrooms, 1,568 square feet of living space and a 0.31-acre lot.

When was 9531 Prospect Ave, Lakeside, CA built?

9531 Prospect Ave, Lakeside, CA was built in 1970, making it 56 years old.

What schools serve 9531 Prospect Ave, Lakeside, CA?

9531 Prospect Ave, Lakeside, CA is assigned to Lemon Crest Elementary School (elementary), rated D+; Lakeside Middle School (middle), rated C+; El Capitan High School (high), rated B. All sit in Grossmont Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9531 Prospect Ave, Lakeside, CA compare to other homes in Lakeside 92040?

Among the 12,316 homes in Lakeside 92040, it is worth more than 83% of them ($908,635 against a typical $752,448), its price per square foot is higher than 90% of them ($579 against a typical $469), it is bigger than 52% of them (1,568 ft² against a typical 1,541 ft²), its lot is bigger than 34% of them (0.31 ac against a typical 0.5 ac) and it is newer than 31% of them (1970 against a typical 1977). Measured against all of San Diego County, it is worth more than 53% 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 9531 Prospect Ave, Lakeside, CA?

The 2025 property tax bill for 9531 Prospect Ave, Lakeside, CA was $11,052. The county assessed it at $884,338.

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