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Single Family ResidenceResidential
$4,446,481$965 / 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 93How 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
Last sold for $139,000 on Jul 18, 1997

21 MONTCLAIRE DR

FREMONT, CA 94539
4
Beds
3.5
Baths
4,608 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.
0.48 ac
Lot SizeThe size of the land the home sits on, from county records.
1998
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$4.4M
$4.1M low$4.8M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$139,000 · Jul 18, 1997

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,080 (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.$1,222,592 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$368,877
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$860,715
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,198,485
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,945,340

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.30 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.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.0.48
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
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
Mission San Jose Elementary SchoolA+
Elementary · Grades KG–5 · 1.0 mi
H
Mission San Jose High SchoolA+
High · Grades 9–12 · 2.2 mi
M
William Hopkins Middle SchoolA+
Middle · Grades 6–8 · 2.5 mi

District: Fremont Unified School District

Neighborhood · ZIP 94539These 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.25
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 100.683

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.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.5%
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.52,775
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,599 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$190,911
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$222,193
Average tempThe average temperature here across a full year.59°F
Annual precipHow much rain and melted snow falls here in a typical year.19 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

21 Montclaire Dr 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.

  • Among the most valuable homes in Alameda County
  • Costs more per square foot than 89% of homes in Alameda County
  • Bigger than 98% of homes in Alameda County
  • Has a bigger lot than 89% of homes in Alameda County
  • Newer than 91% of homes in Mission Hills

What homes are worth in Fremont 94539

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

This home
$577K$4.2M

This home is worth more than almost all homes in Fremont 94539.

How it measures up in Fremont 94539

The dot is this home. The mark in the middle is the typical home in Fremont 94539.

Estimated value$4,446,481
CheaperTypical $2,071,086Pricier

Pricier than almost all homes nearby

Price per ft²$965
CheaperTypical $982Pricier

Pricier than 47% of homes nearby

Living area4,608 ft²
SmallerTypical 2,028 ft²Bigger

Bigger than 97% of homes nearby

Lot size0.48 ac
SmallerTypical 0.18 acBigger

Bigger than 87% of homes nearby

Year built1998
OlderTypical 1980Newer

Newer than 80% of homes nearby

How 21 Montclaire Dr ranks against every home in each area.
MeasureThis homeMission HillsFremont 94539Alameda County
Estimated valuepricier than$4,446,48193% of homesalmost all homesalmost all homes
Price per ft²pricier than$96560% of homes47% of homes89% of homes
Living areabigger than4,608 ft²88% of homes97% of homes98% of homes
Lot sizebigger than0.48 ac83% of homes87% of homes89% of homes
Year builtnewer than199891% of homes80% of homes86% of homes

About 21 Montclaire Dr

How much is 21 Montclaire Dr, Fremont, CA worth?

The TopHap Estimate for 21 Montclaire Dr, Fremont, CA is $4,446,481 as of Aug 30, 2026. The likely range is $4,122,840 to $4,770,122. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Montclaire Dr, Fremont, CA last sell?

21 Montclaire Dr, Fremont, CA last sold on Jul 18, 1997 for $139,000, according to the county's recorded deed.

How big is 21 Montclaire Dr, Fremont, CA?

21 Montclaire Dr, Fremont, CA has 4 bedrooms, 3.5 bathrooms, 4,608 square feet of living space and a 0.48-acre lot.

When was 21 Montclaire Dr, Fremont, CA built?

21 Montclaire Dr, Fremont, CA was built in 1998, making it 28 years old. The building has 2 stories.

What schools serve 21 Montclaire Dr, Fremont, CA?

21 Montclaire Dr, Fremont, CA is assigned to Mission San Jose Elementary School (elementary), rated A+; Mission San Jose High School (high), rated A+; William Hopkins Middle School (middle), rated A+. All sit in Fremont Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Montclaire Dr, Fremont, CA compare to other homes in Fremont 94539?

Among the 17,322 homes in Fremont 94539, it is worth more than almost all of them ($4,446,481 against a typical $2,071,086), its price per square foot is higher than 47% of them ($965 against a typical $982), it is bigger than 97% of them (4,608 ft² against a typical 2,028 ft²), its lot is bigger than 87% of them (0.48 ac against a typical 0.18 ac) and it is newer than 80% of them (1998 against a typical 1980). Measured against all of Alameda County, it is worth more than almost all 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 21 Montclaire Dr, Fremont, CA?

The 2025 property tax bill for 21 Montclaire Dr, Fremont, CA was $15,080. The county assessed it at $1,222,592.

More homes on Montclaire Dr

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Assigned schools

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