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Single Family ResidenceResidential
$883,966$570 / 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 Oct 21, 2026
Last sold for $815,000 on Sep 6, 2023

10820 GREENCASTLE ST

SANTEE, CA 92071
4
Beds
2
Baths
1,552 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1972
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

$884K
$828K low$940K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$815,000 · Sep 6, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,903 (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.$847,924 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$226,719
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$621,205
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$831,299

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.49
41
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
53
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
47
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
19
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.9 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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.0.16
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(4)

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
Hill Creek Elementary SchoolB+
Elementary · Grades KG–8 · 0.3 mi
H
Santana High SchoolB+
High · Grades 9–12 · 0.3 mi

District: Grossmont Union High School District

Neighborhood · ZIP 92071These 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.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.179

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.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.1%
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.60,697
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,367 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$105,367
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$125,609
Average tempThe average temperature here across a full year.63°F
Annual precipHow much rain and melted snow falls here in a typical year.14 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

10820 Greencastle St 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 82% of homes in Santee 92071
  • Costs more per square foot than 75% of homes in Santee 92071
  • Has a smaller lot than 77% of homes in Santee 92071
  • Older than 73% of homes in San Diego County

What homes are worth in Santee 92071

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

This home
$437K$1.3M

This home is worth more than 82% of homes in Santee 92071.

How it measures up in Santee 92071

The dot is this home. The mark in the middle is the typical home in Santee 92071.

Estimated value$883,966
CheaperTypical $747,934Pricier

Pricier than 82% of homes nearby

Price per ft²$570
CheaperTypical $507Pricier

Pricier than 75% of homes nearby

Living area1,552 ft²
SmallerTypical 1,388 ft²Bigger

Bigger than 64% of homes nearby

Lot size0.16 ac
SmallerTypical 0.22 acBigger

Bigger than 23% of homes nearby

Year built1972
OlderTypical 1976Newer

Newer than 37% of homes nearby

How 10820 Greencastle St ranks against every home in each area.
MeasureThis homeSantee 92071San Diego County
Estimated valuepricier than$883,96682% of homes50% of homes
Price per ft²pricier than$57075% of homes51% of homes
Living areabigger than1,552 ft²64% of homes53% of homes
Lot sizebigger than0.16 ac23% of homes30% of homes
Year builtnewer than197237% of homes27% of homes

About 10820 Greencastle St

How much is 10820 Greencastle St, Santee, CA worth?

The TopHap Estimate for 10820 Greencastle St, Santee, CA is $883,966 as of Oct 21, 2026. The likely range is $828,047 to $939,885. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 10820 Greencastle St, Santee, CA last sell?

10820 Greencastle St, Santee, CA last sold on Sep 6, 2023 for $815,000, according to the county's recorded deed.

How big is 10820 Greencastle St, Santee, CA?

10820 Greencastle St, Santee, CA has 4 bedrooms, 2 bathrooms, 1,552 square feet of living space and a 0.16-acre lot.

When was 10820 Greencastle St, Santee, CA built?

10820 Greencastle St, Santee, CA was built in 1972, making it 54 years old.

What schools serve 10820 Greencastle St, Santee, CA?

10820 Greencastle St, Santee, CA is assigned to Hill Creek Elementary School (elementary), rated B+; Santana 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 10820 Greencastle St, Santee, CA compare to other homes in Santee 92071?

Among the 18,613 homes in Santee 92071, it is worth more than 82% of them ($883,966 against a typical $747,934), its price per square foot is higher than 75% of them ($570 against a typical $507), it is bigger than 64% of them (1,552 ft² against a typical 1,388 ft²), its lot is bigger than 23% of them (0.16 ac against a typical 0.22 ac) and it is newer than 37% of them (1972 against a typical 1976). Measured against all of San Diego County, it is worth more than 50% 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 10820 Greencastle St, Santee, CA?

The 2025 property tax bill for 10820 Greencastle St, Santee, CA was $9,903. The county assessed it at $847,924.

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