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Single Family ResidenceResidential
$246,937$220 / 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 97How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

528 HEFFERNAN AVE

CALEXICO, CA 92231
0
Baths
1,120 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1
StoriesHow many floors the home has above ground.

Valuation

$247K
$239K low$255K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$343 (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.$27,233 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$13,686
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$13,547
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$26,700

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.45
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
63
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
80
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
0
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
47
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

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
CountyIMPERIAL
Lot (acres)The size of the land the home sits on, from county records.0.12
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(6)

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
Rockwood Elementary SchoolC+
Elementary · Grades KG–6 · 0.5 mi
H
Calexico High SchoolC-
High · Grades 9–12 · 0.7 mi
M
William Moreno Junior High SchoolD-
Middle · Grades 7–8 · 1.4 mi

District: Calexico Unified School District

Neighborhood · ZIP 92231These 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.93
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.113
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.438

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.21%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.4.5%
PopulationHow many people live in this area.36,848
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.548 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$48,049
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$60,921
Average tempThe average temperature here across a full year.72°F
Annual precipHow much rain and melted snow falls here in a typical year.3 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

528 Heffernan 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 95% of homes in Calexico 92231
  • Costs less per square foot than 74% of homes in Calexico 92231
  • Smaller than 81% of homes in Calexico 92231
  • Has a smaller lot than 90% of homes in Imperial County

What homes are worth in Calexico 92231

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

This home
$227K$598K

This home is worth more than 5% of homes in Calexico 92231.

How it measures up in Calexico 92231

The dot is this home. The mark in the middle is the typical home in Calexico 92231.

Estimated value$246,937
CheaperTypical $366,743Pricier

Pricier than 5% of homes nearby

Price per ft²$220
CheaperTypical $249Pricier

Pricier than 26% of homes nearby

Living area1,120 ft²
SmallerTypical 1,470 ft²Bigger

Bigger than 19% of homes nearby

Lot size0.12 ac
SmallerTypical 0.16 acBigger

Bigger than 14% of homes nearby

How 528 Heffernan Ave ranks against every home in each area.
MeasureThis homeCalexico 92231Imperial County
Estimated valuepricier than$246,9375% of homes14% of homes
Price per ft²pricier than$22026% of homes32% of homes
Living areabigger than1,120 ft²19% of homes20% of homes
Lot sizebigger than0.12 ac14% of homes10% of homes

About 528 Heffernan Ave

How much is 528 Heffernan Ave, Calexico, CA worth?

The TopHap Estimate for 528 Heffernan Ave, Calexico, CA is $246,937 as of Aug 30, 2026. The likely range is $238,693 to $255,181. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 528 Heffernan Ave, Calexico, CA last sell?

528 Heffernan Ave, Calexico, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 528 Heffernan Ave, Calexico, CA?

528 Heffernan Ave, Calexico, CA has 1,120 square feet of living space and a 0.12-acre lot.

What schools serve 528 Heffernan Ave, Calexico, CA?

528 Heffernan Ave, Calexico, CA is assigned to Rockwood Elementary School (elementary), rated C+; Calexico High School (high), rated C-; William Moreno Junior High School (middle), rated D-. All sit in Calexico Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 528 Heffernan Ave, Calexico, CA compare to other homes in Calexico 92231?

Among the 7,479 homes in Calexico 92231, it is worth more than 5% of them ($246,937 against a typical $366,743), its price per square foot is higher than 26% of them ($220 against a typical $249), it is bigger than 19% of them (1,120 ft² against a typical 1,470 ft²) and its lot is bigger than 14% of them (0.12 ac against a typical 0.16 ac). Measured against all of Imperial County, it is worth more than 14% 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 528 Heffernan Ave, Calexico, CA?

The 2025 property tax bill for 528 Heffernan Ave, Calexico, CA was $343. The county assessed it at $27,233.

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