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Single Family ResidenceResidential
$558,505$551 / 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 87How 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 $210,000 on Mar 21, 2012

14831 MARTELL AVE

SAN LEANDRO, CA 94578
3
Beds
1
Baths
1,014 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1952
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$559K
$486K low$631K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$210,000 · Mar 21, 2012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,538 (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.$307,463 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$92,239
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$215,224
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$301,437
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$601,110

Climate Risk

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.minimal

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
CountyALAMEDA
Lot (acres)The size of the land the home sits on, from county records.0.14
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Floor/Wall Furnace
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.

E
Monroe Elementary SchoolC
Elementary · Grades KG–5 · 0.7 mi
H
San Leandro High SchoolC-
High · Grades 9–12 · 1.6 mi
M
John Muir Middle SchoolB-
Middle · Grades 6–8 · 2.3 mi

District: San Leandro Unified School District

Neighborhood · ZIP 94578These 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.96
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.654

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.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.36,127
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.9,333 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$79,481
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$101,965
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.21 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

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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

14831 Martell 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 90% of homes in Floresta Gardens
  • Costs less per square foot than 74% of homes in Alameda County
  • Smaller than 92% of homes in Floresta Gardens
  • Has a bigger lot than 84% of homes in Floresta Gardens
  • Older than 93% of homes in Floresta Gardens

What homes are worth in San Leandro 94578

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

This home
$332K$1.1M

This home is worth more than 19% of homes in San Leandro 94578.

How it measures up in San Leandro 94578

The dot is this home. The mark in the middle is the typical home in San Leandro 94578.

Estimated value$558,505
CheaperTypical $728,603Pricier

Pricier than 19% of homes nearby

Price per ft²$551
CheaperTypical $541Pricier

Pricier than 54% of homes nearby

Living area1,014 ft²
SmallerTypical 1,346 ft²Bigger

Bigger than 21% of homes nearby

Lot size0.15 ac
SmallerTypical 0.13 acBigger

Bigger than 71% of homes nearby

Year built1952
OlderTypical 1953Newer

Newer than 49% of homes nearby

How 14831 Martell Ave ranks against every home in each area.
MeasureThis homeFloresta GardensSan Leandro 94578Alameda County
Estimated valuepricier than$558,50510% of homes19% of homes12% of homes
Price per ft²pricier than$55155% of homes54% of homes26% of homes
Living areabigger than1,014 ft²8% of homes21% of homes13% of homes
Lot sizebigger than0.15 ac84% of homes71% of homes56% of homes
Year builtnewer than19527% of homes49% of homes34% of homes

About 14831 Martell Ave

How much is 14831 Martell Ave, San Leandro, CA worth?

The TopHap Estimate for 14831 Martell Ave, San Leandro, CA is $558,505 as of Sep 24, 2026. The likely range is $485,998 to $631,012. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 14831 Martell Ave, San Leandro, CA last sell?

14831 Martell Ave, San Leandro, CA last sold on Mar 21, 2012 for $210,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 14831 Martell Ave, San Leandro, CA?

14831 Martell Ave, San Leandro, CA has 3 bedrooms, 1 bathrooms, 1,014 square feet of living space and a 0.14-acre lot.

When was 14831 Martell Ave, San Leandro, CA built?

14831 Martell Ave, San Leandro, CA was built in 1952, making it 74 years old. The building has 1 story.

What schools serve 14831 Martell Ave, San Leandro, CA?

14831 Martell Ave, San Leandro, CA is assigned to Monroe Elementary School (elementary), rated C; San Leandro High School (high), rated C-; John Muir Middle School (middle), rated B-. All sit in San Leandro Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 14831 Martell Ave, San Leandro, CA compare to other homes in San Leandro 94578?

Among the 7,904 homes in San Leandro 94578, it is worth more than 19% of them ($558,505 against a typical $728,603), its price per square foot is higher than 54% of them ($551 against a typical $541), it is bigger than 21% of them (1,014 ft² against a typical 1,346 ft²), its lot is bigger than 71% of them (0.15 ac against a typical 0.13 ac) and it is newer than 49% of them (1952 against a typical 1953). Measured against all of Alameda County, it is worth more than 12% 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 14831 Martell Ave, San Leandro, CA?

The 2025 property tax bill for 14831 Martell Ave, San Leandro, CA was $4,538. The county assessed it at $307,463.

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Assigned schools

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