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Single Family ResidenceResidential
$1,139,511$559 / 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 Aug 30, 2026

27140 BELFAST LN

HAYWARD, CA 94542
3
Beds
2
Baths
2,038 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.
0.39 ac
Lot SizeThe size of the land the home sits on, from county records.
1980
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
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

$1.1M
$1.1M low$1.2M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,344 (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.$345,063 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$113,269
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$238,794
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$338,161
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,124,460

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Custom Design
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.1981
Lot (acres)The size of the land the home sits on, from county records.0.39
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

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 · 1.2 mi
H
Hayward High SchoolC
High · Grades 9–12 · 1.9 mi
M
Bret Harte Middle SchoolC-
Middle · Grades 7–8 · 2.3 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

27140 Belfast Ln 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.

  • Costs less per square foot than 71% of homes in Alameda County
  • Bigger than 72% of homes in Alameda County
  • Has a bigger lot than 87% of homes in Alameda County
  • Newer than 69% of homes in Alameda County

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
$511K$2.7M

This home is worth more than 38% 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$1,139,511
CheaperTypical $1,261,301Pricier

Pricier than 38% of homes nearby

Price per ft²$559
CheaperTypical $570Pricier

Pricier than 43% of homes nearby

Living area2,038 ft²
SmallerTypical 2,201 ft²Bigger

Bigger than 42% of homes nearby

Lot size0.39 ac
SmallerTypical 0.21 acBigger

Bigger than 78% of homes nearby

Year built1980
OlderTypical 1980Newer

Newer than 51% of homes nearby

How 27140 Belfast Ln ranks against every home in each area.
MeasureThis homeHayward HighlandHayward 94542Alameda County
Estimated valuepricier than$1,139,51137% of homes38% of homes56% of homes
Price per ft²pricier than$55948% of homes43% of homes29% of homes
Living areabigger than2,038 ft²42% of homes42% of homes72% of homes
Lot sizebigger than0.39 ac75% of homes78% of homes87% of homes
Year builtnewer than198051% of homes51% of homes69% of homes

About 27140 Belfast Ln

How much is 27140 Belfast Ln, Hayward, CA worth?

The TopHap Estimate for 27140 Belfast Ln, Hayward, CA is $1,139,511 as of Aug 30, 2026. The likely range is $1,054,362 to $1,224,660. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 27140 Belfast Ln, Hayward, CA last sell?

27140 Belfast Ln, Hayward, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 27140 Belfast Ln, Hayward, CA?

27140 Belfast Ln, Hayward, CA has 3 bedrooms, 2 bathrooms, 2,038 square feet of living space and a 0.39-acre lot.

When was 27140 Belfast Ln, Hayward, CA built?

27140 Belfast Ln, Hayward, CA was built in 1980, making it 46 years old. It is a custom design home. The building has 1 story.

What schools serve 27140 Belfast Ln, Hayward, CA?

27140 Belfast Ln, 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 27140 Belfast Ln, Hayward, CA compare to other homes in Hayward 94542?

Among the 4,392 homes in Hayward 94542, it is worth more than 38% of them ($1,139,511 against a typical $1,261,301), its price per square foot is higher than 43% of them ($559 against a typical $570), it is bigger than 42% of them (2,038 ft² against a typical 2,201 ft²), its lot is bigger than 78% of them (0.39 ac against a typical 0.21 ac) and it is newer than 51% of them (1980 against a typical 1980). Measured against all of Alameda County, it is worth more than 56% 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 27140 Belfast Ln, Hayward, CA?

The 2025 property tax bill for 27140 Belfast Ln, Hayward, CA was $4,344. The county assessed it at $345,063.

More homes on Belfast Ln

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