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Single Family ResidenceResidential
$1,169,785$610 / 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 88How 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 $580,000 on Nov 30, 2000

421 S 15TH ST

SAN JOSE, CA 95112
3
Beds
2
Baths
1,919 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.
1913
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.2M
$1M low$1.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$580,000 · Nov 30, 2000

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,065 (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.$962,092 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$461,084
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$501,008
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$943,229

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.31
17
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
33
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
32
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
26
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.15 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.undetermined

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
CountySANTA CLARA
Lot (acres)The size of the land the home sits on, from county records.0.15
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.None
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Horace Mann Elementary SchoolD-
Elementary · Grades KG–5 · 0.8 mi
H
San Jose High SchoolC-
High · Grades 9–12 · 0.9 mi
M
Burnett Middle SchoolD
Middle · Grades 6–8 · 2.0 mi

District: San Jose Unified School District

Neighborhood · ZIP 95112These 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.141
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.415

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
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.59,602
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,232 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$86,613
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$118,189
Average tempThe average temperature here across a full year.59°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.73%

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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

421 S 15th 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.

  • Worth more than 78% of homes in San Jose 95112
  • Costs less per square foot than 86% of homes in Santa Clara County
  • Bigger than 76% of homes in San Jose 95112
  • Among the oldest homes in Santa Clara County

What homes are worth in San Jose 95112

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

This home
$414K$1.8M

This home is worth more than 78% of homes in San Jose 95112.

How it measures up in San Jose 95112

The dot is this home. The mark in the middle is the typical home in San Jose 95112.

Estimated value$1,169,785
CheaperTypical $914,152Pricier

Pricier than 78% of homes nearby

Price per ft²$610
CheaperTypical $687Pricier

Pricier than 29% of homes nearby

Living area1,919 ft²
SmallerTypical 1,421 ft²Bigger

Bigger than 76% of homes nearby

Lot size0.15 ac
SmallerTypical 0.13 acBigger

Bigger than 64% of homes nearby

Year built1913
OlderTypical 1940Newer

Newer than 27% of homes nearby

How 421 S 15th St ranks against every home in each area.
MeasureThis homeSan Jose 95112Santa Clara County
Estimated valuepricier than$1,169,78578% of homes31% of homes
Price per ft²pricier than$61029% of homes14% of homes
Living areabigger than1,919 ft²76% of homes64% of homes
Lot sizebigger than0.15 ac64% of homes55% of homes
Year builtnewer than191327% of homesalmost no homes

About 421 S 15th St

How much is 421 S 15th St, San Jose, CA worth?

The TopHap Estimate for 421 S 15th St, San Jose, CA is $1,169,785 as of Sep 24, 2026. The likely range is $1,034,636 to $1,304,934. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 S 15th St, San Jose, CA last sell?

421 S 15th St, San Jose, CA last sold on Nov 30, 2000 for $580,000, according to the county's recorded deed.

How big is 421 S 15th St, San Jose, CA?

421 S 15th St, San Jose, CA has 3 bedrooms, 2 bathrooms, 1,919 square feet of living space and a 0.15-acre lot.

When was 421 S 15th St, San Jose, CA built?

421 S 15th St, San Jose, CA was built in 1913, making it 113 years old. The building has 1 story.

What schools serve 421 S 15th St, San Jose, CA?

421 S 15th St, San Jose, CA is assigned to Horace Mann Elementary School (elementary), rated D-; San Jose High School (high), rated C-; Burnett Middle School (middle), rated D. All sit in San Jose Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 S 15th St, San Jose, CA compare to other homes in San Jose 95112?

Among the 9,558 homes in San Jose 95112, it is worth more than 78% of them ($1,169,785 against a typical $914,152), its price per square foot is higher than 29% of them ($610 against a typical $687), it is bigger than 76% of them (1,919 ft² against a typical 1,421 ft²), its lot is bigger than 64% of them (0.15 ac against a typical 0.13 ac) and it is newer than 27% of them (1913 against a typical 1940). Measured against all of Santa Clara County, it is worth more than 31% 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 421 S 15th St, San Jose, CA?

The 2025 property tax bill for 421 S 15th St, San Jose, CA was $13,065. The county assessed it at $962,092.

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