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Single Family ResidenceResidential
$1,751,994$1,066 / 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 Sep 24, 2026
Last sold for $950,000 on Dec 5, 2013

666 SANTA ROSA AVE

BERKELEY, CA 94707
3
Beds
1.5
Baths
1,643 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1925
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.8M
$1.6M low$1.9M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$950,000 · Dec 5, 2013

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$20,599 (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.$1,180,803 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$356,341
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$831,462
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,157,518
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,531,350

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.1951
Lot (acres)The size of the land the home sits on, from county records.0.12
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
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
Thousand Oaks Elementary SchoolA-
Elementary · Grades KG–5 · 0.2 mi
M
Martin Luther King Jr. Middle SchoolA
Middle · Grades 6–8 · 1.0 mi
H
Berkeley High SchoolA
High · Grades 9–12 · 1.9 mi

District: Berkeley Unified School District

Neighborhood · ZIP 94707These 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.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.586

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.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.12,276
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,137 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$177,687
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$232,973
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.24 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

666 Santa Rosa Ave 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 86% of homes in Alameda County
  • Costs more per square foot than 94% of homes in Alameda County
  • Smaller than 70% of homes in Berkeley 94707
  • Older than 83% of homes in Alameda County

What homes are worth in Berkeley 94707

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

This home
$1M$3.1M

This home is worth more than 45% of homes in Berkeley 94707.

How it measures up in Berkeley 94707

The dot is this home. The mark in the middle is the typical home in Berkeley 94707.

Estimated value$1,751,994
CheaperTypical $1,800,736Pricier

Pricier than 45% of homes nearby

Price per ft²$1066
CheaperTypical $915Pricier

Pricier than 72% of homes nearby

Living area1,643 ft²
SmallerTypical 1,964 ft²Bigger

Bigger than 30% of homes nearby

Lot size0.12 ac
SmallerTypical 0.13 acBigger

Bigger than 40% of homes nearby

Year built1925
OlderTypical 1926Newer

Newer than 47% of homes nearby

How 666 Santa Rosa Ave ranks against every home in each area.
MeasureThis homeThousand OaksBerkeley 94707Alameda County
Estimated valuepricier than$1,751,99434% of homes45% of homes86% of homes
Price per ft²pricier than$106651% of homes72% of homes94% of homes
Living areabigger than1,643 ft²39% of homes30% of homes54% of homes
Lot sizebigger than0.12 ac60% of homes40% of homes36% of homes
Year builtnewer than192559% of homes47% of homes17% of homes

About 666 Santa Rosa Ave

How much is 666 Santa Rosa Ave, Berkeley, CA worth?

The TopHap Estimate for 666 Santa Rosa Ave, Berkeley, CA is $1,751,994 as of Sep 24, 2026. The likely range is $1,637,301 to $1,866,687. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 666 Santa Rosa Ave, Berkeley, CA last sell?

666 Santa Rosa Ave, Berkeley, CA last sold on Dec 5, 2013 for $950,000, according to the county's recorded deed.

How big is 666 Santa Rosa Ave, Berkeley, CA?

666 Santa Rosa Ave, Berkeley, CA has 3 bedrooms, 1.5 bathrooms, 1,643 square feet of living space and a 0.12-acre lot.

When was 666 Santa Rosa Ave, Berkeley, CA built?

666 Santa Rosa Ave, Berkeley, CA was built in 1925, making it 101 years old. The building has 2 stories.

What schools serve 666 Santa Rosa Ave, Berkeley, CA?

666 Santa Rosa Ave, Berkeley, CA is assigned to Thousand Oaks Elementary School (elementary), rated A-; Martin Luther King Jr. Middle School (middle), rated A; Berkeley High School (high), rated A. All sit in Berkeley Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 666 Santa Rosa Ave, Berkeley, CA compare to other homes in Berkeley 94707?

Among the 4,924 homes in Berkeley 94707, it is worth more than 45% of them ($1,751,994 against a typical $1,800,736), its price per square foot is higher than 72% of them ($1066 against a typical $915), it is bigger than 30% of them (1,643 ft² against a typical 1,964 ft²), its lot is bigger than 40% of them (0.12 ac against a typical 0.13 ac) and it is newer than 47% of them (1925 against a typical 1926). Measured against all of Alameda County, it is worth more than 86% 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 666 Santa Rosa Ave, Berkeley, CA?

The 2025 property tax bill for 666 Santa Rosa Ave, Berkeley, CA was $20,599. The county assessed it at $1,180,803.

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