Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,676,452$721 / 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 80How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $1,680,000 on May 28, 2026

321 RATTO RD

ALAMEDA, CA 94502
4
Beds
3
Baths
2,325 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.
3,600 ft²
Lot SizeThe size of the land the home sits on, from county records.
1998
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

$1.7M
$1.3M low$2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,680,000 · May 28, 2026
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$334,452
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$267,562
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.80%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$1,342,000
Null Placeholder · 6.25% 1 · recorded May 28, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,927 (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.$953,904 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$286,171
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$667,733
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$935,202
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,489,050

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.0.08
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.

Foreclosure Filings(3)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Bay Farm SchoolA
Elementary · Grades KG–8 · 0.9 mi
H
Alameda High SchoolA+
High · Grades 9–12 · 2.3 mi

District: Alameda City Unified School District

Neighborhood · ZIP 94502These 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.43
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 100.379

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.45%
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.1.4%
PopulationHow many people live in this area.15,069
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,016 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$164,486
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$194,499
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.20 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

321 Ratto Rd 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 Bay Farm Island
  • Costs more per square foot than 88% of homes in Bay Farm Island
  • Bigger than 97% of homes in Bay Farm Island
  • Has a smaller lot than 86% of homes in Alameda County
  • Among the newest homes in Alameda 94502

What homes are worth in Alameda 94502

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

This home
$689K$2.2M

This home is worth more than 92% of homes in Alameda 94502.

How it measures up in Alameda 94502

The dot is this home. The mark in the middle is the typical home in Alameda 94502.

Estimated value$1,676,452
CheaperTypical $1,057,688Pricier

Pricier than 92% of homes nearby

Price per ft²$721
CheaperTypical $620Pricier

Pricier than 84% of homes nearby

Living area2,325 ft²
SmallerTypical 1,702 ft²Bigger

Bigger than 84% of homes nearby

Lot size3,600 ft²
SmallerTypical 4,008 ft²Bigger

Bigger than 44% of homes nearby

Year built1998
OlderTypical 1984Newer

Newer than almost all homes nearby

How 321 Ratto Rd ranks against every home in each area.
MeasureThis homeBay Farm IslandAlameda 94502Alameda County
Estimated valuepricier than$1,676,452almost all homes92% of homes83% of homes
Price per ft²pricier than$72188% of homes84% of homes61% of homes
Living areabigger than2,325 ft²97% of homes84% of homes81% of homes
Lot sizebigger than3,600 ft²64% of homes44% of homes14% of homes
Year builtnewer than199898% of homesalmost all homes86% of homes

About 321 Ratto Rd

How much is 321 Ratto Rd, Alameda, CA worth?

The TopHap Estimate for 321 Ratto Rd, Alameda, CA is $1,676,452 as of Jul 14, 2026. The likely range is $1,349,530 to $2,003,373. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 321 Ratto Rd, Alameda, CA last sell?

321 Ratto Rd, Alameda, CA last sold on May 28, 2026 for $1,680,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 321 Ratto Rd, Alameda, CA?

321 Ratto Rd, Alameda, CA has 4 bedrooms, 3 bathrooms, 2,325 square feet of living space and a 0.08-acre lot.

When was 321 Ratto Rd, Alameda, CA built?

321 Ratto Rd, Alameda, CA was built in 1998, making it 28 years old. The building has 2 stories.

What schools serve 321 Ratto Rd, Alameda, CA?

321 Ratto Rd, Alameda, CA is assigned to Bay Farm School (elementary), rated A; Alameda High School (high), rated A+. All sit in Alameda City Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 321 Ratto Rd, Alameda, CA compare to other homes in Alameda 94502?

Among the 5,177 homes in Alameda 94502, it is worth more than 92% of them ($1,676,452 against a typical $1,057,688), its price per square foot is higher than 84% of them ($721 against a typical $620), it is bigger than 84% of them (2,325 ft² against a typical 1,702 ft²), its lot is bigger than 44% of them (3,600 ft² against a typical 4,008 ft²) and it is newer than almost all of them (1998 against a typical 1984). Measured against all of Alameda County, it is worth more than 83% 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 321 Ratto Rd, Alameda, CA?

The 2025 property tax bill for 321 Ratto Rd, Alameda, CA was $13,927. The county assessed it at $953,904.

More homes on Ratto Rd

Closest homes

More homes in Alameda 94502

Assigned schools

Explore the area

See this home in context

Open 321 Ratto Rd 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