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Single Family ResidenceResidential
$909,543$467 / 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 89How 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

3299 ROUND HILL DR

HAYWARD, CA 94542
4
Beds
2.5
Baths
1,946 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1969
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$910K
$809K low$1M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,743 (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.$118,790 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$38,512
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$87,278
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$116,324
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,157,850

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.0.19
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.

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

E
Stonebrae Elementary SchoolA-
Elementary · Grades KG–6 · 0.9 mi
H
Hayward High SchoolC
High · Grades 9–12 · 2.3 mi
M
Bret Harte Middle SchoolC-
Middle · Grades 7–8 · 2.6 mi

District: Hayward Unified School District

Neighborhood · ZIP 94542These 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.63
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.725

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.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
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.13,844
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,518 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$126,651
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$163,268
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.25 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

3299 Round Hill Dr 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 78% of homes in Hayward Highland
  • Costs less per square foot than 88% of homes in Hayward 94542
  • Bigger than 69% of homes in Alameda County
  • Has a bigger lot than 74% of homes in Alameda County
  • Older than 81% of homes in Hayward Highland

What homes are worth in Hayward 94542

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

This home
$510K$2.5M

This home is worth more than 27% of homes in Hayward 94542.

How it measures up in Hayward 94542

The dot is this home. The mark in the middle is the typical home in Hayward 94542.

Estimated value$909,543
CheaperTypical $1,196,297Pricier

Pricier than 27% of homes nearby

Price per ft²$467
CheaperTypical $536Pricier

Pricier than 12% of homes nearby

Living area1,946 ft²
SmallerTypical 2,188 ft²Bigger

Bigger than 40% of homes nearby

Lot size0.19 ac
SmallerTypical 0.21 acBigger

Bigger than 40% of homes nearby

Year built1969
OlderTypical 1980Newer

Newer than 32% of homes nearby

How 3299 Round Hill Dr ranks against every home in each area.
MeasureThis homeHayward HighlandHayward 94542Alameda County
Estimated valuepricier than$909,54322% of homes27% of homes40% of homes
Price per ft²pricier than$46713% of homes12% of homes13% of homes
Living areabigger than1,946 ft²39% of homes40% of homes69% of homes
Lot sizebigger than0.19 ac28% of homes40% of homes74% of homes
Year builtnewer than196919% of homes32% of homes57% of homes

About 3299 Round Hill Dr

How much is 3299 Round Hill Dr, Hayward, CA worth?

The TopHap Estimate for 3299 Round Hill Dr, Hayward, CA is $909,543 as of Jul 14, 2026. The likely range is $809,383 to $1,009,703. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3299 Round Hill Dr, Hayward, CA last sell?

3299 Round Hill Dr, Hayward, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3299 Round Hill Dr, Hayward, CA?

3299 Round Hill Dr, Hayward, CA has 4 bedrooms, 2.5 bathrooms, 1,946 square feet of living space and a 0.19-acre lot.

When was 3299 Round Hill Dr, Hayward, CA built?

3299 Round Hill Dr, Hayward, CA was built in 1969, making it 57 years old. The building has 2 stories.

What schools serve 3299 Round Hill Dr, Hayward, CA?

3299 Round Hill Dr, Hayward, CA is assigned to Stonebrae Elementary School (elementary), rated A-; Hayward High School (high), rated C; Bret Harte Middle School (middle), rated C-. All sit in Hayward Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3299 Round Hill Dr, Hayward, CA compare to other homes in Hayward 94542?

Among the 4,392 homes in Hayward 94542, it is worth more than 27% of them ($909,543 against a typical $1,196,297), its price per square foot is higher than 12% of them ($467 against a typical $536), it is bigger than 40% of them (1,946 ft² against a typical 2,188 ft²), its lot is bigger than 40% of them (0.19 ac against a typical 0.21 ac) and it is newer than 32% of them (1969 against a typical 1980). Measured against all of Alameda County, it is worth more than 40% 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 3299 Round Hill Dr, Hayward, CA?

The 2025 property tax bill for 3299 Round Hill Dr, Hayward, CA was $1,743. The county assessed it at $118,790.

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