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Single Family ResidenceResidential
$579,727$739 / 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 90How 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 $150,000 on Feb 24, 1992

1621 ROBLE GRANDE RD

ALPINE, CA 91901
1
Beds
1
Baths
784 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.
3.7 ac
Lot SizeThe size of the land the home sits on, from county records.
2002
Year BuiltThe year the home was originally built, according to county records.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$580K
$521K low$639K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$150,000 · Feb 24, 1992

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,813 (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.$425,737 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$285,612
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$140,125
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$417,390

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.
95
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
44
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
28
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
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.

M
Joan MacQueen Middle SchoolC+
Middle · Grades 6–8 · 0.5 mi
E
Boulder Oaks Elementary SchoolB
Elementary · Grades 1–5 · 0.8 mi
H
Granite Hills High SchoolC
High · Grades 9–12 · 8.2 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

1621 Roble Grande Rd 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 92% of homes in Alpine
  • Among the highest price per square foot in Alpine
  • Smaller than 98% of homes in Alpine
  • Has a bigger lot than 89% of homes in San Diego County
  • Newer than 87% of homes in Alpine

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 8% 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$579,727
CheaperTypical $941,066Pricier

Pricier than 8% of homes nearby

Price per ft²$739
CheaperTypical $437Pricier

Pricier than almost all homes nearby

Living area784 ft²
SmallerTypical 2,146 ft²Bigger

Bigger than 2% of homes nearby

Lot size3.7 ac
SmallerTypical 1.38 acBigger

Bigger than 81% of homes nearby

Year built2002
OlderTypical 1990Newer

Newer than 85% of homes nearby

How 1621 Roble Grande Rd ranks against every home in each area.
MeasureThis homeAlpineAlpine 91901San Diego County
Estimated valuepricier than$579,7278% of homes8% of homes13% of homes
Price per ft²pricier than$739almost all homesalmost all homes78% of homes
Living areabigger than784 ft²2% of homes2% of homes10% of homes
Lot sizebigger than3.7 ac87% of homes81% of homes89% of homes
Year builtnewer than200287% of homes85% of homes80% of homes

About 1621 Roble Grande Rd

How much is 1621 Roble Grande Rd, Alpine, CA worth?

The TopHap Estimate for 1621 Roble Grande Rd, Alpine, CA is $579,727 as of Sep 24, 2026. The likely range is $520,759 to $638,695. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1621 Roble Grande Rd, Alpine, CA last sell?

1621 Roble Grande Rd, Alpine, CA last sold on Feb 24, 1992 for $150,000, according to the county's recorded deed.

How big is 1621 Roble Grande Rd, Alpine, CA?

1621 Roble Grande Rd, Alpine, CA has 1 bedrooms, 1 bathrooms and 784 square feet of living space.

When was 1621 Roble Grande Rd, Alpine, CA built?

1621 Roble Grande Rd, Alpine, CA was built in 2002, making it 24 years old.

What schools serve 1621 Roble Grande Rd, Alpine, CA?

1621 Roble Grande Rd, 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 1621 Roble Grande Rd, Alpine, CA compare to other homes in Alpine 91901?

Among the 5,276 homes in Alpine 91901, it is worth more than 8% of them ($579,727 against a typical $941,066), its price per square foot is higher than almost all of them ($739 against a typical $437), it is bigger than 2% of them (784 ft² against a typical 2,146 ft²), its lot is bigger than 81% of them (3.7 ac against a typical 1.38 ac) and it is newer than 85% of them (2002 against a typical 1990). Measured against all of San Diego County, it is worth more than 13% 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 1621 Roble Grande Rd, Alpine, CA?

The 2025 property tax bill for 1621 Roble Grande Rd, Alpine, CA was $4,813. The county assessed it at $425,737.

More homes on Roble Grande Rd

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