Skip to content
Skip to content
TopHapOpen in map
TownhouseResidential
$1,248,010
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 Aug 30, 2026

42100 BLACOW RD

FREMONT, CA 94538
0
Baths
0.46 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$1.2M
$1.2M low$1.3M high

Tax & Assessment

Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,044,000

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.28 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.0.2 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.Townhouse
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
CountyALAMEDA
Lot (acres)The size of the land the home sits on, from county records.0.46
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
O. N. Hirsch Elementary SchoolA+
Elementary · Grades KG–5 · 0.5 mi
M
John M. Horner Middle SchoolA
Middle · Grades 6–8 · 0.5 mi
H
Irvington High SchoolA+
High · Grades 9–12 · 0.5 mi

District: Fremont Unified School District

Neighborhood · ZIP 94538These 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.65
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.620

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.67,745
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,952 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$137,410
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$160,880
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.78%

Owner Tools

Do you own this home?
Claim this home

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

42100 Blacow Rd 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.

  • Has a bigger lot than 89% of homes in Alameda County

What homes are worth in Fremont 94538

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

This home
$460K$1.9M

This home is worth more than 51% of homes in Fremont 94538.

How it measures up in Fremont 94538

The dot is this home. The mark in the middle is the typical home in Fremont 94538.

Estimated value$1,248,010
CheaperTypical $1,243,302Pricier

Pricier than 51% of homes nearby

Lot size0.46 ac
SmallerTypical 0.14 acBigger

Bigger than 86% of homes nearby

How 42100 Blacow Rd ranks against every home in each area.
MeasureThis homeIrvingtonFremont 94538Alameda County
Estimated valuepricier than$1,248,01047% of homes51% of homes62% of homes
Lot sizebigger than0.46 ac80% of homes86% of homes89% of homes

About 42100 Blacow Rd

How much is 42100 Blacow Rd, Fremont, CA worth?

The TopHap Estimate for 42100 Blacow Rd, Fremont, CA is $1,248,010 as of Aug 30, 2026. The likely range is $1,202,767 to $1,293,253. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 42100 Blacow Rd, Fremont, CA last sell?

42100 Blacow Rd, Fremont, CA last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve 42100 Blacow Rd, Fremont, CA?

42100 Blacow Rd, Fremont, CA is assigned to O. N. Hirsch Elementary School (elementary), rated A+; John M. Horner Middle School (middle), rated A; Irvington High School (high), rated A+. All sit in Fremont Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 42100 Blacow Rd, Fremont, CA compare to other homes in Fremont 94538?

Among the 15,977 homes in Fremont 94538, it is worth more than 51% of them ($1,248,010 against a typical $1,243,302) and its lot is bigger than 86% of them (0.46 ac against a typical 0.14 ac). Measured against all of Alameda County, it is worth more than 62% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Blacow Rd

Closest homes

More homes in Fremont 94538

Assigned schools

Explore the area

See this home in context

Open 42100 Blacow Rd on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map