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Single Family ResidenceResidential
$1,151,821$334 / 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 89How 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 $550,000 on May 31, 2013

3520 CALLE COLINA ROCA

ALPINE, CA 91901
5
Beds
3.5
Baths
3,452 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 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.2M
$1M low$1.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$550,000 · May 31, 2013

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,785 (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.$690,817 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$226,084
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$464,733
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$677,272

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.51
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
97
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
43
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
31
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
RoofThe main material covering the roof, such as asphalt shingle or tile.Wood Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
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.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.

Foreclosure Filings(4)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Joan MacQueen Middle SchoolC+
Middle · Grades 6–8 · 2.3 mi
E
Boulder Oaks Elementary SchoolB
Elementary · Grades 1–5 · 2.4 mi
H
Granite Hills High SchoolC
High · Grades 9–12 · 10.5 mi

District: Grossmont Union High School District

Neighborhood · ZIP 91901These 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.73
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.190

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.9%
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.17,614
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.148 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$110,068
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$135,707
Average tempThe average temperature here across a full year.60°F
Annual precipHow much rain and melted snow falls here in a typical year.21 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

3520 Calle Colina Roca 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 78% of homes in Alpine 91901
  • Costs less per square foot than 98% of homes in San Diego County
  • Bigger than 94% of homes in San Diego County
  • Has a bigger lot than 82% of homes in San Diego County
  • Older than 79% of homes in Alpine 91901

What homes are worth in Alpine 91901

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

This home
$387K$1.8M

This home is worth more than 78% of homes in Alpine 91901.

How it measures up in Alpine 91901

The dot is this home. The mark in the middle is the typical home in Alpine 91901.

Estimated value$1,151,821
CheaperTypical $941,066Pricier

Pricier than 78% of homes nearby

Price per ft²$334
CheaperTypical $437Pricier

Pricier than 5% of homes nearby

Living area3,452 ft²
SmallerTypical 2,146 ft²Bigger

Bigger than 90% of homes nearby

Lot size2 ac
SmallerTypical 1.38 acBigger

Bigger than 60% of homes nearby

Year built1977
OlderTypical 1990Newer

Newer than 21% of homes nearby

How 3520 Calle Colina Roca ranks against every home in each area.
MeasureThis homeAlpineAlpine 91901San Diego County
Estimated valuepricier than$1,151,82177% of homes78% of homes69% of homes
Price per ft²pricier than$3344% of homes5% of homes2% of homes
Living areabigger than3,452 ft²89% of homes90% of homes94% of homes
Lot sizebigger than2 ac66% of homes60% of homes82% of homes
Year builtnewer than197723% of homes21% of homes36% of homes

About 3520 Calle Colina Roca

How much is 3520 Calle Colina Roca, Alpine, CA worth?

The TopHap Estimate for 3520 Calle Colina Roca, Alpine, CA is $1,151,821 as of Sep 24, 2026. The likely range is $1,023,039 to $1,280,603. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3520 Calle Colina Roca, Alpine, CA last sell?

3520 Calle Colina Roca, Alpine, CA last sold on May 31, 2013 for $550,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 3520 Calle Colina Roca, Alpine, CA?

3520 Calle Colina Roca, Alpine, CA has 5 bedrooms, 3.5 bathrooms and 3,452 square feet of living space.

When was 3520 Calle Colina Roca, Alpine, CA built?

3520 Calle Colina Roca, Alpine, CA was built in 1977, making it 49 years old. It is a contemporary home. The building has 3 stories.

What schools serve 3520 Calle Colina Roca, Alpine, CA?

3520 Calle Colina Roca, Alpine, CA is assigned to Joan MacQueen Middle School (middle), rated C+; Boulder Oaks Elementary School (elementary), rated B; Granite Hills 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 3520 Calle Colina Roca, Alpine, CA compare to other homes in Alpine 91901?

Among the 5,276 homes in Alpine 91901, it is worth more than 78% of them ($1,151,821 against a typical $941,066), its price per square foot is higher than 5% of them ($334 against a typical $437), it is bigger than 90% of them (3,452 ft² against a typical 2,146 ft²), its lot is bigger than 60% of them (2 ac against a typical 1.38 ac) and it is newer than 21% of them (1977 against a typical 1990). Measured against all of San Diego County, it is worth more than 69% 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 3520 Calle Colina Roca, Alpine, CA?

The 2025 property tax bill for 3520 Calle Colina Roca, Alpine, CA was $7,785. The county assessed it at $690,817.

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Assigned schools

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