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Single Family ResidenceResidential
$371,153$281 / 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

521 M B MARTINEZ ST

CALEXICO, CA 92231
0
Baths
1,320 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1982
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$371K
$358K low$384K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,045 (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.$165,483 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$24,513
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$140,970
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$162,239

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.
61
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
82
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.0.11
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(10)

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
Mains Elementary SchoolD
Elementary · Grades KG–6 · 0.3 mi
M
William Moreno Junior High SchoolD-
Middle · Grades 7–8 · 0.4 mi
H
Calexico High SchoolC-
High · Grades 9–12 · 1.3 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

521 M B Martinez 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.

  • Costs more per square foot than 79% of homes in Imperial County
  • Has a smaller lot than 93% of homes in Imperial County
  • Older than 75% of homes in Calexico 92231

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
$223K$599K

This home is worth more than 46% 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$371,153
CheaperTypical $380,239Pricier

Pricier than 46% of homes nearby

Price per ft²$281
CheaperTypical $262Pricier

Pricier than 64% of homes nearby

Living area1,320 ft²
SmallerTypical 1,472 ft²Bigger

Bigger than 39% of homes nearby

Lot size0.11 ac
SmallerTypical 0.16 acBigger

Bigger than 8% of homes nearby

Year built1982
OlderTypical 1995Newer

Newer than 25% of homes nearby

How 521 M B Martinez St ranks against every home in each area.
MeasureThis homeCalexico 92231Imperial County
Estimated valuepricier than$371,15346% of homes51% of homes
Price per ft²pricier than$28164% of homes79% of homes
Living areabigger than1,320 ft²39% of homes38% of homes
Lot sizebigger than0.11 ac8% of homes7% of homes
Year builtnewer than198225% of homes38% of homes

About 521 M B Martinez St

How much is 521 M B Martinez St, Calexico, CA worth?

The TopHap Estimate for 521 M B Martinez St, Calexico, CA is $371,153 as of Sep 24, 2026. The likely range is $357,829 to $384,477. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 M B Martinez St, Calexico, CA last sell?

521 M B Martinez St, Calexico, CA last sold on May 24, 2016, according to the county's recorded deed.

How big is 521 M B Martinez St, Calexico, CA?

521 M B Martinez St, Calexico, CA has 1,320 square feet of living space and a 0.11-acre lot.

When was 521 M B Martinez St, Calexico, CA built?

521 M B Martinez St, Calexico, CA was built in 1982, making it 44 years old. The building has 1 story.

What schools serve 521 M B Martinez St, Calexico, CA?

521 M B Martinez St, Calexico, CA is assigned to Mains Elementary School (elementary), rated D; William Moreno Junior High School (middle), rated D-; Calexico High School (high), rated C-. All sit in Calexico Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 M B Martinez St, Calexico, CA compare to other homes in Calexico 92231?

Among the 7,479 homes in Calexico 92231, it is worth more than 46% of them ($371,153 against a typical $380,239), its price per square foot is higher than 64% of them ($281 against a typical $262), it is bigger than 39% of them (1,320 ft² against a typical 1,472 ft²), its lot is bigger than 8% of them (0.11 ac against a typical 0.16 ac) and it is newer than 25% of them (1982 against a typical 1995). Measured against all of Imperial County, it is worth more than 51% 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 M B Martinez St, Calexico, CA?

The 2025 property tax bill for 521 M B Martinez St, Calexico, CA was $2,045. The county assessed it at $165,483.

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