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Duplex (2 Units, Any Combination)Residential
Last sold for $1,550,000 on May 15, 2019

521 ARENAS ST

LA JOLLA, CA 92037
5
Beds
4
Baths
2,206 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.
3,998 ft²
Lot SizeThe size of the land the home sits on, from county records.
1973
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,550,000 · May 15, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$22,194 (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.$1,763,628 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,479,175
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$284,453
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,729,048

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.27
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
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.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountySAN DIEGO
Lot (acres)The size of the land the home sits on, from county records.0.92
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.

H
La Jolla High SchoolA+
High · Grades 9–12 · 0.3 mi
E
La Jolla Elementary SchoolA+
Elementary · Grades KG–5 · 0.5 mi
M
Muirlands Middle SchoolA
Middle · Grades 6–8 · 0.5 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

521 Arenas 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.

  • Bigger than 77% of homes in San Diego County
  • Among the smallest lots in La Jolla 92037
  • Older than 71% of homes in San Diego County

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.

Living area2,206 ft²
SmallerTypical 1,914 ft²Bigger

Bigger than 59% of homes nearby

Lot size3,998 ft²
SmallerTypical 0.47 acBigger

Smaller than almost all homes nearby

Year built1973
OlderTypical 1979Newer

Newer than 36% of homes nearby

How 521 Arenas St ranks against every home in each area.
MeasureThis homeLa Jolla 92037San Diego County
Living areabigger than2,206 ft²59% of homes77% of homes
Lot sizebigger than3,998 ft²almost no homes7% of homes
Year builtnewer than197336% of homes29% of homes

About 521 Arenas St

When did 521 Arenas St, La Jolla, CA last sell?

521 Arenas St, La Jolla, CA last sold on May 15, 2019 for $1,550,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 521 Arenas St, La Jolla, CA?

521 Arenas St, La Jolla, CA has 5 bedrooms, 4 bathrooms, 2,206 square feet of living space and a 0.92-acre lot.

When was 521 Arenas St, La Jolla, CA built?

521 Arenas St, La Jolla, CA was built in 1973, making it 53 years old. It is a duplex single home. The building has 1 story.

What schools serve 521 Arenas St, La Jolla, CA?

521 Arenas St, La Jolla, CA is assigned to La Jolla High School (high), rated A+; La Jolla Elementary School (elementary), rated A+; Muirlands Middle School (middle), 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 521 Arenas St, La Jolla, CA compare to other homes in La Jolla 92037?

Among the 17,555 homes in La Jolla 92037, it is bigger than 59% of them (2,206 ft² against a typical 1,914 ft²), its lot is bigger than almost none of them (3,998 ft² against a typical 0.47 ac) and it is newer than 36% of them (1973 against a typical 1979). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 521 Arenas St, La Jolla, CA?

The 2025 property tax bill for 521 Arenas St, La Jolla, CA was $22,194. The county assessed it at $1,763,628.

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