Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$711,608$517 / 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 $302,000 on Sep 8, 2003

15931 OLIVIA CT

ASHLAND, CA 94578
3
Beds
2.5
Baths
1,377 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.
2003
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$712K
$664K low$760K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$302,000 · Sep 8, 2003

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,908 (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.$430,796 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$131,237
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$306,559
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$422,213
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$631,710

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.19 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
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)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Hillside Elementary SchoolD-
Elementary · Grades KG–5 · 0.1 mi
M
Edendale Middle SchoolF
Middle · Grades 6–8 · 0.4 mi
H
San Lorenzo High SchoolC-
High · Grades 9–12 · 1.0 mi

District: San Lorenzo Unified School District

Neighborhood · ZIP 94578These 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.96
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.654

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.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
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.36,127
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.9,333 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$79,481
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$101,965
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.21 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

15931 Olivia 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 76% of homes in Alameda County
  • Costs less per square foot than 79% of homes in Alameda County
  • Has a smaller lot than 66% of homes in San Leandro 94578
  • Newer than 97% of homes in San Leandro 94578

What homes are worth in San Leandro 94578

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

This home
$335K$1.2M

This home is worth more than 46% of homes in San Leandro 94578.

How it measures up in San Leandro 94578

The dot is this home. The mark in the middle is the typical home in San Leandro 94578.

Estimated value$711,608
CheaperTypical $730,515Pricier

Pricier than 46% of homes nearby

Price per ft²$517
CheaperTypical $540Pricier

Pricier than 42% of homes nearby

Living area1,377 ft²
SmallerTypical 1,340 ft²Bigger

Bigger than 54% of homes nearby

Lot size0.12 ac
SmallerTypical 0.13 acBigger

Bigger than 34% of homes nearby

Year built2003
OlderTypical 1953Newer

Newer than 97% of homes nearby

How 15931 Olivia Ct ranks against every home in each area.
MeasureThis homeAshlandSan Leandro 94578Alameda County
Estimated valuepricier than$711,60870% of homes46% of homes24% of homes
Price per ft²pricier than$51749% of homes42% of homes21% of homes
Living areabigger than1,377 ft²61% of homes54% of homes37% of homes
Lot sizebigger than0.12 ac36% of homes34% of homes35% of homes
Year builtnewer than200394% of homes97% of homes90% of homes

About 15931 Olivia Ct

How much is 15931 Olivia Ct, Ashland, CA worth?

The TopHap Estimate for 15931 Olivia Ct, Ashland, CA is $711,608 as of Sep 24, 2026. The likely range is $663,648 to $759,568. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 15931 Olivia Ct, Ashland, CA last sell?

15931 Olivia Ct, Ashland, CA last sold on Sep 8, 2003 for $302,000, according to the county's recorded deed.

How big is 15931 Olivia Ct, Ashland, CA?

15931 Olivia Ct, Ashland, CA has 3 bedrooms, 2.5 bathrooms, 1,377 square feet of living space and a 0.12-acre lot.

When was 15931 Olivia Ct, Ashland, CA built?

15931 Olivia Ct, Ashland, CA was built in 2003, making it 23 years old. The building has 2 stories.

What schools serve 15931 Olivia Ct, Ashland, CA?

15931 Olivia Ct, Ashland, CA is assigned to Hillside Elementary School (elementary), rated D-; Edendale Middle School (middle), rated F; San Lorenzo High School (high), rated C-. All sit in San Lorenzo Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 15931 Olivia Ct, Ashland, CA compare to other homes in San Leandro 94578?

Among the 7,904 homes in San Leandro 94578, it is worth more than 46% of them ($711,608 against a typical $730,515), its price per square foot is higher than 42% of them ($517 against a typical $540), it is bigger than 54% of them (1,377 ft² against a typical 1,340 ft²), its lot is bigger than 34% of them (0.12 ac against a typical 0.13 ac) and it is newer than 97% of them (2003 against a typical 1953). Measured against all of Alameda County, it is worth more than 24% 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 15931 Olivia Ct, Ashland, CA?

The 2025 property tax bill for 15931 Olivia Ct, Ashland, CA was $5,908. The county assessed it at $430,796.

More homes on Olivia Ct

Closest homes

More homes in Ashland 94578

Assigned schools

Explore the area

See this home in context

Open 15931 Olivia 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