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Single Family ResidenceResidential
$647,451$438 / 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 93How 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 $122,000 on Jan 20, 2000

521 MASSACHUSETTS AVE

VISTA, CA 92084
4
Beds
3
Baths
1,479 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
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

$647K
$605K low$690K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$122,000 · Jan 20, 2000

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,743 (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.$273,694 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$141,080
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$132,614
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$268,328

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.28
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.
36
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
17
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
89
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.0.17
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(3)

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
Bobier Elementary SchoolD-
Elementary · Grades KG–5 · 0.9 mi
H
Vista High SchoolC
High · Grades 9–12 · 1.1 mi
M
Roosevelt Middle SchoolC-
Middle · Grades 6–8 · 3.0 mi

District: Vista Unified School District

Neighborhood · ZIP 92084These 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.78
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.197

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.51,313
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,016 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$93,525
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$121,072
Average tempThe average temperature here across a full year.62°F
Annual precipHow much rain and melted snow falls here in a typical year.16 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 Massachusetts Ave 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 85% of homes in Vista 92084
  • Costs less per square foot than 83% of homes in San Diego County
  • Smaller than 67% of homes in Vista 92084
  • Has a smaller lot than 91% of homes in Vista 92084
  • Older than 95% of homes in San Diego County

What homes are worth in Vista 92084

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

This home
$486K$1.7M

This home is worth more than 15% of homes in Vista 92084.

How it measures up in Vista 92084

The dot is this home. The mark in the middle is the typical home in Vista 92084.

Estimated value$647,451
CheaperTypical $880,872Pricier

Pricier than 15% of homes nearby

Price per ft²$438
CheaperTypical $483Pricier

Pricier than 30% of homes nearby

Living area1,479 ft²
SmallerTypical 1,776 ft²Bigger

Bigger than 33% of homes nearby

Lot size0.17 ac
SmallerTypical 0.56 acBigger

Bigger than 9% of homes nearby

Year built1950
OlderTypical 1976Newer

Newer than 7% of homes nearby

How 521 Massachusetts Ave ranks against every home in each area.
MeasureThis homeVista 92084San Diego County
Estimated valuepricier than$647,45115% of homes21% of homes
Price per ft²pricier than$43830% of homes17% of homes
Living areabigger than1,479 ft²33% of homes50% of homes
Lot sizebigger than0.17 ac9% of homes35% of homes
Year builtnewer than19507% of homes5% of homes

About 521 Massachusetts Ave

How much is 521 Massachusetts Ave, Vista, CA worth?

The TopHap Estimate for 521 Massachusetts Ave, Vista, CA is $647,451 as of Sep 24, 2026. The likely range is $605,000 to $689,902. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 Massachusetts Ave, Vista, CA last sell?

521 Massachusetts Ave, Vista, CA last sold on Jan 20, 2000 for $122,000, according to the county's recorded deed.

How big is 521 Massachusetts Ave, Vista, CA?

521 Massachusetts Ave, Vista, CA has 4 bedrooms, 3 bathrooms, 1,479 square feet of living space and a 0.17-acre lot.

When was 521 Massachusetts Ave, Vista, CA built?

521 Massachusetts Ave, Vista, CA was built in 1950, making it 76 years old.

What schools serve 521 Massachusetts Ave, Vista, CA?

521 Massachusetts Ave, Vista, CA is assigned to Bobier Elementary School (elementary), rated D-; Vista High School (high), rated C; Roosevelt Middle School (middle), rated C-. All sit in Vista Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 Massachusetts Ave, Vista, CA compare to other homes in Vista 92084?

Among the 12,155 homes in Vista 92084, it is worth more than 15% of them ($647,451 against a typical $880,872), its price per square foot is higher than 30% of them ($438 against a typical $483), it is bigger than 33% of them (1,479 ft² against a typical 1,776 ft²), its lot is bigger than 9% of them (0.17 ac against a typical 0.56 ac) and it is newer than 7% of them (1950 against a typical 1976). Measured against all of San Diego County, it is worth more than 21% 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 521 Massachusetts Ave, Vista, CA?

The 2025 property tax bill for 521 Massachusetts Ave, Vista, CA was $3,743. The county assessed it at $273,694.

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