Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$929,701$692 / 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 Oct 21, 2026
Last sold for $150,000 on May 21, 2008

634 CARLSBAD CT

LIVERMORE, CA 94551
3
Beds
2
Baths
1,343 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.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1973
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$930K
$881K low$979K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$150,000 · May 21, 2008

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,745 (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.$320,247 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$98,174
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$229,073
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$313,831
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$995,490

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.51
42
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
78
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
42
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
33
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
62
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.9 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.1974
Lot (acres)The size of the land the home sits on, from county records.0.30
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Wood Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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(10)

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
Rancho Las Positas Elementary SchoolA-
Elementary · Grades KG–5 · 0.5 mi
H
Granada High SchoolA
High · Grades 9–12 · 1.2 mi
M
Junction Avenue TK-8 SchoolC
Middle · Grades KG–8 · 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%

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

634 Carlsbad Ct 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 less than 69% of homes in Summerset
  • Costs more per square foot than 69% of homes in Livermore 94551
  • Smaller than 66% of homes in Summerset
  • Has a bigger lot than 98% of homes in Summerset
  • Newer than 76% of homes in Summerset

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
$582K$1.8M

This home is worth more than 44% of 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$929,701
CheaperTypical $956,130Pricier

Pricier than 44% of homes nearby

Price per ft²$692
CheaperTypical $633Pricier

Pricier than 69% of homes nearby

Living area1,343 ft²
SmallerTypical 1,508 ft²Bigger

Bigger than 34% of homes nearby

Lot size0.3 ac
SmallerTypical 0.16 acBigger

Bigger than 89% of homes nearby

Year built1973
OlderTypical 1985Newer

Newer than 42% of homes nearby

How 634 Carlsbad Ct ranks against every home in each area.
MeasureThis homeSummersetLivermore 94551Alameda County
Estimated valuepricier than$929,70131% of homes44% of homes42% of homes
Price per ft²pricier than$69263% of homes69% of homes58% of homes
Living areabigger than1,343 ft²34% of homes34% of homes35% of homes
Lot sizebigger than0.3 ac98% of homes89% of homes84% of homes
Year builtnewer than197376% of homes42% of homes62% of homes

About 634 Carlsbad Ct

How much is 634 Carlsbad Ct, Livermore, CA worth?

The TopHap Estimate for 634 Carlsbad Ct, Livermore, CA is $929,701 as of Oct 21, 2026. The likely range is $880,550 to $978,852. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 634 Carlsbad Ct, Livermore, CA last sell?

634 Carlsbad Ct, Livermore, CA last sold on May 21, 2008 for $150,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 634 Carlsbad Ct, Livermore, CA?

634 Carlsbad Ct, Livermore, CA has 3 bedrooms, 2 bathrooms, 1,343 square feet of living space and a 0.30-acre lot.

When was 634 Carlsbad Ct, Livermore, CA built?

634 Carlsbad Ct, Livermore, CA was built in 1973, making it 53 years old. The building has 1 story.

What schools serve 634 Carlsbad Ct, Livermore, CA?

634 Carlsbad Ct, Livermore, CA is assigned to Rancho Las Positas Elementary School (elementary), rated A-; Granada High School (high), rated A; Junction Avenue TK-8 School (middle), rated C. All sit in Livermore Valley Joint Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 634 Carlsbad Ct, Livermore, CA compare to other homes in Livermore 94551?

Among the 12,868 homes in Livermore 94551, it is worth more than 44% of them ($929,701 against a typical $956,130), its price per square foot is higher than 69% of them ($692 against a typical $633), it is bigger than 34% of them (1,343 ft² against a typical 1,508 ft²), its lot is bigger than 89% of them (0.3 ac against a typical 0.16 ac) and it is newer than 42% of them (1973 against a typical 1985). Measured against all of Alameda County, it is worth more than 42% 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 634 Carlsbad Ct, Livermore, CA?

The 2025 property tax bill for 634 Carlsbad Ct, Livermore, CA was $4,745. The county assessed it at $320,247.

More homes on Carlsbad Ct

Closest homes

More homes in Livermore 94551

Assigned schools

Explore the area

See this home in context

Open 634 Carlsbad Ct 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