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Single Family ResidenceResidential
$2,776,555$676 / 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 85How 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

105 VOLZ CT

ALAMO, CA 94507
4
Beds
3.5
Baths
4,106 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.
0.67 ac
Lot SizeThe size of the land the home sits on, from county records.
1990
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
14
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

$2.8M
$2.3M low$3.2M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,290 (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.$3,000,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,000,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,000,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$945,728

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.45
44
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
77
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
43
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
49
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
14
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.10 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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
CountyCONTRA COSTA
Lot (acres)The size of the land the home sits on, from county records.0.67
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

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 Romero Elementary SchoolA
Elementary · Grades KG–5 · 0.1 mi
M
Stone Valley Middle SchoolA+
Middle · Grades 6–8 · 1.0 mi
H
San Ramon High SchoolA+
High · Grades 9–12 · 1.7 mi

District: San Ramon Valley Unified School District

Neighborhood · ZIP 94507These 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.48
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 100.567

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.44%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.13,817
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,241 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$216,734
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$278,668
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.23 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

105 Volz 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 more than 97% of homes in Contra Costa County
  • Costs less per square foot than 83% of homes in Alamo 94507
  • Bigger than 97% of homes in Contra Costa County
  • Has a bigger lot than 95% of homes in Contra Costa County
  • Newer than 78% of homes in Alamo 94507

What homes are worth in Alamo 94507

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

This home
$1.1M$5M

This home is worth more than 67% of homes in Alamo 94507.

How it measures up in Alamo 94507

The dot is this home. The mark in the middle is the typical home in Alamo 94507.

Estimated value$2,776,555
CheaperTypical $2,454,651Pricier

Pricier than 67% of homes nearby

Price per ft²$676
CheaperTypical $785Pricier

Pricier than 17% of homes nearby

Living area4,106 ft²
SmallerTypical 3,114 ft²Bigger

Bigger than 77% of homes nearby

Lot size0.67 ac
SmallerTypical 0.51 acBigger

Bigger than 74% of homes nearby

Year built1990
OlderTypical 1977Newer

Newer than 78% of homes nearby

How 105 Volz Ct ranks against every home in each area.
MeasureThis homeAlamo 94507Contra Costa County
Estimated valuepricier than$2,776,55567% of homes97% of homes
Price per ft²pricier than$67617% of homes79% of homes
Living areabigger than4,106 ft²77% of homes97% of homes
Lot sizebigger than0.67 ac74% of homes95% of homes
Year builtnewer than199078% of homes72% of homes

About 105 Volz Ct

How much is 105 Volz Ct, Alamo, CA worth?

The TopHap Estimate for 105 Volz Ct, Alamo, CA is $2,776,555 as of Aug 30, 2026. The likely range is $2,347,881 to $3,205,229. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 105 Volz Ct, Alamo, CA last sell?

105 Volz Ct, Alamo, CA last sold on Jan 1, 1900, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 105 Volz Ct, Alamo, CA?

105 Volz Ct, Alamo, CA has 4 bedrooms, 3.5 bathrooms, 4,106 square feet of living space and a 0.67-acre lot.

When was 105 Volz Ct, Alamo, CA built?

105 Volz Ct, Alamo, CA was built in 1990, making it 36 years old. The building has 2 stories.

What schools serve 105 Volz Ct, Alamo, CA?

105 Volz Ct, Alamo, CA is assigned to Rancho Romero Elementary School (elementary), rated A; Stone Valley Middle School (middle), rated A+; San Ramon High School (high), rated A+. All sit in San Ramon Valley Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 105 Volz Ct, Alamo, CA compare to other homes in Alamo 94507?

Among the 5,469 homes in Alamo 94507, it is worth more than 67% of them ($2,776,555 against a typical $2,454,651), its price per square foot is higher than 17% of them ($676 against a typical $785), it is bigger than 77% of them (4,106 ft² against a typical 3,114 ft²), its lot is bigger than 74% of them (0.67 ac against a typical 0.51 ac) and it is newer than 78% of them (1990 against a typical 1977). Measured against all of Contra Costa County, it is worth more than 97% 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 105 Volz Ct, Alamo, CA?

The 2025 property tax bill for 105 Volz Ct, Alamo, CA was $11,290. The county assessed it at $3,000,000.

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