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Single Family ResidenceResidential
$2,947,315$808 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $1,840,000 on Jun 8, 2018

6850 RIDDELL ST

PLEASANTON, CA 94566
3
Beds
3.5
Baths
3,646 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.
0.4 ac
Lot SizeThe size of the land the home sits on, from county records.
2002
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
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

$2.9M
$2.8M low$3.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,840,000 · Jun 8, 2018
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$1,644,233
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$1,315,386
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.45%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$1,303,082
BANK OF AMERICA NA · 2.25% 1 · recorded Apr 5, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$24,498 (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.$2,128,430 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$725,350
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,410,080
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$2,086,570
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,185,560

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.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
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2003
Lot (acres)The size of the land the home sits on, from county records.0.41
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(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
Hearst Elementary SchoolA-
Elementary · Grades KG–5 · 0.9 mi
M
Pleasanton Middle SchoolB+
Middle · Grades 6–8 · 1.1 mi
H
Foothill High SchoolA+
High · Grades 9–12 · 3.1 mi

District: Pleasanton Unified School District

Neighborhood · ZIP 94566These 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.53
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.598

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.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.4%
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.40,906
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,007 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$169,358
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$214,076
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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

6850 Riddell 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 98% of homes in Alameda County
  • Costs more per square foot than 74% of homes in Alameda County
  • Bigger than 95% of homes in Alameda County
  • Has a bigger lot than 88% of homes in Alameda County
  • Newer than 89% of homes in Alameda County

What homes are worth in Pleasanton 94566

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

This home
$587K$4.6M

This home is worth more than 89% of homes in Pleasanton 94566.

How it measures up in Pleasanton 94566

The dot is this home. The mark in the middle is the typical home in Pleasanton 94566.

Estimated value$2,947,315
CheaperTypical $1,633,232Pricier

Pricier than 89% of homes nearby

Price per ft²$808
CheaperTypical $776Pricier

Pricier than 64% of homes nearby

Living area3,646 ft²
SmallerTypical 2,087 ft²Bigger

Bigger than 87% of homes nearby

Lot size0.4 ac
SmallerTypical 0.18 acBigger

Bigger than 83% of homes nearby

Year built2002
OlderTypical 1984Newer

Newer than 87% of homes nearby

How 6850 Riddell St ranks against every home in each area.
MeasureThis homeCarriage Gardens / Castlewood HeightsPleasanton 94566Alameda County
Estimated valuepricier than$2,947,31565% of homes89% of homes98% of homes
Price per ft²pricier than$80866% of homes64% of homes74% of homes
Living areabigger than3,646 ft²53% of homes87% of homes95% of homes
Lot sizebigger than0.4 ac26% of homes83% of homes88% of homes
Year builtnewer than200288% of homes87% of homes89% of homes

About 6850 Riddell St

How much is 6850 Riddell St, Pleasanton, CA worth?

The TopHap Estimate for 6850 Riddell St, Pleasanton, CA is $2,947,315 as of Jul 14, 2026. The likely range is $2,802,337 to $3,092,293. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6850 Riddell St, Pleasanton, CA last sell?

6850 Riddell St, Pleasanton, CA last sold on Jun 8, 2018 for $1,840,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 6850 Riddell St, Pleasanton, CA?

6850 Riddell St, Pleasanton, CA has 3 bedrooms, 3.5 bathrooms, 3,646 square feet of living space and a 0.41-acre lot.

When was 6850 Riddell St, Pleasanton, CA built?

6850 Riddell St, Pleasanton, CA was built in 2002, making it 24 years old. The building has 2 stories.

What schools serve 6850 Riddell St, Pleasanton, CA?

6850 Riddell St, Pleasanton, CA is assigned to Hearst Elementary School (elementary), rated A-; Pleasanton Middle School (middle), rated B+; Foothill High School (high), rated A+. All sit in Pleasanton Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 6850 Riddell St, Pleasanton, CA compare to other homes in Pleasanton 94566?

Among the 13,375 homes in Pleasanton 94566, it is worth more than 89% of them ($2,947,315 against a typical $1,633,232), its price per square foot is higher than 64% of them ($808 against a typical $776), it is bigger than 87% of them (3,646 ft² against a typical 2,087 ft²), its lot is bigger than 83% of them (0.4 ac against a typical 0.18 ac) and it is newer than 87% of them (2002 against a typical 1984). Measured against all of Alameda County, it is worth more than 98% 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 6850 Riddell St, Pleasanton, CA?

The 2025 property tax bill for 6850 Riddell St, Pleasanton, CA was $24,498. The county assessed it at $2,128,430.

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Assigned schools

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