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Single Family ResidenceResidential
$2,008,213$1,851 / 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 Sep 24, 2026

639 ROSEMONT ST

LA JOLLA, CA 92037
3
Beds
1
Baths
1,085 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1945
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$2M
$1.9M low$2.1M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,990 (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.$361,162 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$330,312
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$30,850
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$354,082

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.36
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
48
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
37
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
CountySAN DIEGO
Lot (acres)The size of the land the home sits on, from county records.0.13
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(5)

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.

H
La Jolla High SchoolA
High · Grades 9–12 · 0.4 mi
M
Muirlands Middle SchoolA+
Middle · Grades 6–8 · 0.4 mi
E
La Jolla Elementary SchoolA+
Elementary · Grades KG–5 · 0.8 mi

District: San Diego City Unified School District

Neighborhood · ZIP 92037These 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.118
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.109
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.418

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.86%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.49,112
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,313 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$138,757
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$185,835
Average tempThe average temperature here across a full year.61°F
Annual precipHow much rain and melted snow falls here in a typical year.12 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

639 Rosemont 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 90% of homes in San Diego County
  • Among the highest price per square foot in San Diego County
  • Smaller than 79% of homes in La Jolla 92037
  • Has a smaller lot than 93% of homes in La Jolla 92037
  • Older than 97% of homes in La Jolla 92037

What homes are worth in La Jolla 92037

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

This home
$542K$10M

This home is worth more than 43% of homes in La Jolla 92037.

How it measures up in La Jolla 92037

The dot is this home. The mark in the middle is the typical home in La Jolla 92037.

Estimated value$2,008,213
CheaperTypical $2,321,428Pricier

Pricier than 43% of homes nearby

Price per ft²$1851
CheaperTypical $1083Pricier

Pricier than 93% of homes nearby

Living area1,085 ft²
SmallerTypical 1,928 ft²Bigger

Bigger than 21% of homes nearby

Lot size0.13 ac
SmallerTypical 0.47 acBigger

Bigger than 7% of homes nearby

Year built1945
OlderTypical 1979Newer

Newer than 3% of homes nearby

How 639 Rosemont St ranks against every home in each area.
MeasureThis homeLa Jolla 92037San Diego County
Estimated valuepricier than$2,008,21343% of homes90% of homes
Price per ft²pricier than$185193% of homesalmost all homes
Living areabigger than1,085 ft²21% of homes24% of homes
Lot sizebigger than0.13 ac7% of homes16% of homes
Year builtnewer than19453% of homes3% of homes

About 639 Rosemont St

How much is 639 Rosemont St, La Jolla, CA worth?

The TopHap Estimate for 639 Rosemont St, La Jolla, CA is $2,008,213 as of Sep 24, 2026. The likely range is $1,923,573 to $2,092,853. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 639 Rosemont St, La Jolla, CA last sell?

639 Rosemont St, La Jolla, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 639 Rosemont St, La Jolla, CA?

639 Rosemont St, La Jolla, CA has 3 bedrooms, 1 bathrooms, 1,085 square feet of living space and a 0.13-acre lot.

When was 639 Rosemont St, La Jolla, CA built?

639 Rosemont St, La Jolla, CA was built in 1945, making it 81 years old. The building has 1 story.

What schools serve 639 Rosemont St, La Jolla, CA?

639 Rosemont St, La Jolla, CA is assigned to La Jolla High School (high), rated A; Muirlands Middle School (middle), rated A+; La Jolla Elementary School (elementary), rated A+. All sit in San Diego City Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 639 Rosemont St, La Jolla, CA compare to other homes in La Jolla 92037?

Among the 17,555 homes in La Jolla 92037, it is worth more than 43% of them ($2,008,213 against a typical $2,321,428), its price per square foot is higher than 93% of them ($1851 against a typical $1083), it is bigger than 21% of them (1,085 ft² against a typical 1,928 ft²), its lot is bigger than 7% of them (0.13 ac against a typical 0.47 ac) and it is newer than 3% of them (1945 against a typical 1979). Measured against all of San Diego County, it is worth more than 90% 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 639 Rosemont St, La Jolla, CA?

The 2025 property tax bill for 639 Rosemont St, La Jolla, CA was $4,990. The county assessed it at $361,162.

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