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Single Family ResidenceResidential
$1,844,771$604 / 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 96How 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

446 KNOTTINGHAM CIR

LIVERMORE, CA 94551
5
Beds
3
Baths
3,056 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1992
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

$1.8M
$1.8M low$1.9M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,112 (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.$699,773 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$258,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$448,673
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$685,917
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,792,170

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.0.21
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
Junction Avenue TK-8 SchoolC-
Elementary · Grades KG–8 · 0.6 mi
H
Granada High SchoolA
High · Grades 9–12 · 2.1 mi

District: Livermore Valley Joint Unified School District

Neighborhood · ZIP 94551These 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.60
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.382

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.32%
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.1.5%
PopulationHow many people live in this area.47,124
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.555 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$145,402
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$169,089
Average tempThe average temperature here across a full year.59°F
Annual precipHow much rain and melted snow falls here in a typical year.17 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

446 Knottingham Cir 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 Livermore 94551
  • Costs less per square foot than 66% of homes in Livermore 94551
  • Bigger than 98% of homes in Livermore 94551
  • Has a bigger lot than 79% of homes in Livermore 94551
  • Newer than 80% of homes in Alameda County

What homes are worth in Livermore 94551

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

This home
$588K$1.8M

This home is worth more than almost all homes in Livermore 94551.

How it measures up in Livermore 94551

The dot is this home. The mark in the middle is the typical home in Livermore 94551.

Estimated value$1,844,771
CheaperTypical $973,787Pricier

Pricier than almost all homes nearby

Price per ft²$604
CheaperTypical $649Pricier

Pricier than 34% of homes nearby

Living area3,056 ft²
SmallerTypical 1,514 ft²Bigger

Bigger than 98% of homes nearby

Lot size0.21 ac
SmallerTypical 0.16 acBigger

Bigger than 79% of homes nearby

Year built1992
OlderTypical 1985Newer

Newer than 62% of homes nearby

How 446 Knottingham Cir ranks against every home in each area.
MeasureThis homePortola GlenLivermore 94551Alameda County
Estimated valuepricier than$1,844,77185% of homesalmost all homes88% of homes
Price per ft²pricier than$60461% of homes34% of homes38% of homes
Living areabigger than3,056 ft²82% of homes98% of homes92% of homes
Lot sizebigger than0.21 ac65% of homes79% of homes76% of homes
Year builtnewer than199269% of homes62% of homes80% of homes

About 446 Knottingham Cir

How much is 446 Knottingham Cir, Livermore, CA worth?

The TopHap Estimate for 446 Knottingham Cir, Livermore, CA is $1,844,771 as of Sep 24, 2026. The likely range is $1,778,478 to $1,911,064. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 446 Knottingham Cir, Livermore, CA last sell?

446 Knottingham Cir, Livermore, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 446 Knottingham Cir, Livermore, CA?

446 Knottingham Cir, Livermore, CA has 5 bedrooms, 3 bathrooms, 3,056 square feet of living space and a 0.21-acre lot.

When was 446 Knottingham Cir, Livermore, CA built?

446 Knottingham Cir, Livermore, CA was built in 1992, making it 34 years old. The building has 2 stories.

What schools serve 446 Knottingham Cir, Livermore, CA?

446 Knottingham Cir, Livermore, CA is assigned to Junction Avenue TK-8 School (elementary), rated C-; Granada High School (high), rated A. All sit in Livermore Valley Joint Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 446 Knottingham Cir, Livermore, CA compare to other homes in Livermore 94551?

Among the 12,853 homes in Livermore 94551, it is worth more than almost all of them ($1,844,771 against a typical $973,787), its price per square foot is higher than 34% of them ($604 against a typical $649), it is bigger than 98% of them (3,056 ft² against a typical 1,514 ft²), its lot is bigger than 79% of them (0.21 ac against a typical 0.16 ac) and it is newer than 62% of them (1992 against a typical 1985). Measured against all of Alameda County, it is worth more than 88% 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 446 Knottingham Cir, Livermore, CA?

The 2025 property tax bill for 446 Knottingham Cir, Livermore, CA was $10,112. The county assessed it at $699,773.

More homes on Knottingham Cir

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