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Single Family ResidenceResidential
$901,697$739 / 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 94How 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 $455,000 on Jun 18, 2015

10 BLACKSTONE

IRVINE, CA 92604
3
Beds
1.5
Baths
1,220 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.
1,389 ft²
Lot SizeThe size of the land the home sits on, from county records.
1977
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.

Valuation

$902K
$845K low$958K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$455,000 · Jun 18, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,832 (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.$608,215 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$527,793
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$80,422
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$546,836

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyORANGE
Lot (acres)The size of the land the home sits on, from county records.0.03
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.

M
Lakeside Middle SchoolA
Middle · Grades 7–8 · 0.5 mi
E
Stone Creek Elementary SchoolA+
Elementary · Grades KG–6 · 0.6 mi
H
Woodbridge High SchoolA+
High · Grades 9–12 · 1.0 mi

District: Irvine Unified School District

Neighborhood · ZIP 92604These 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.90
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.242

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.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.28,863
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,196 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$113,972
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$155,524
Average tempThe average temperature here across a full year.63°F
Annual precipHow much rain and melted snow falls here in a typical year.13 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.75%

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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

10 Blackstone 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 83% of homes in Irvine 92604
  • Costs more per square foot than 68% of homes in Orange County
  • Smaller than 81% of homes in Orange County
  • Among the smallest lots in Irvine 92604
  • Newer than 72% of homes in Irvine 92604

What homes are worth in Irvine 92604

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

This home
$694K$2.3M

This home is worth more than 17% of homes in Irvine 92604.

How it measures up in Irvine 92604

The dot is this home. The mark in the middle is the typical home in Irvine 92604.

Estimated value$901,697
CheaperTypical $1,319,279Pricier

Pricier than 17% of homes nearby

Price per ft²$739
CheaperTypical $775Pricier

Pricier than 36% of homes nearby

Living area1,220 ft²
SmallerTypical 1,633 ft²Bigger

Bigger than 24% of homes nearby

Lot size1,389 ft²
SmallerTypical 0.12 acBigger

Smaller than almost all homes nearby

Year built1977
OlderTypical 1976Newer

Newer than 72% of homes nearby

How 10 Blackstone ranks against every home in each area.
MeasureThis homeIrvine 92604Orange County
Estimated valuepricier than$901,69717% of homes31% of homes
Price per ft²pricier than$73936% of homes68% of homes
Living areabigger than1,220 ft²24% of homes19% of homes
Lot sizebigger than1,389 ft²almost no homesalmost no homes
Year builtnewer than197772% of homes56% of homes

About 10 Blackstone

How much is 10 Blackstone, Irvine, CA worth?

The TopHap Estimate for 10 Blackstone, Irvine, CA is $901,697 as of Sep 24, 2026. The likely range is $845,312 to $958,082. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 10 Blackstone, Irvine, CA last sell?

10 Blackstone, Irvine, CA last sold on Jun 18, 2015 for $455,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 10 Blackstone, Irvine, CA?

10 Blackstone, Irvine, CA has 3 bedrooms, 1.5 bathrooms, 1,220 square feet of living space and a 0.03-acre lot.

When was 10 Blackstone, Irvine, CA built?

10 Blackstone, Irvine, CA was built in 1977, making it 49 years old. The building has 2 stories.

What schools serve 10 Blackstone, Irvine, CA?

10 Blackstone, Irvine, CA is assigned to Lakeside Middle School (middle), rated A; Stone Creek Elementary School (elementary), rated A+; Woodbridge High School (high), rated A+. All sit in Irvine Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 10 Blackstone, Irvine, CA compare to other homes in Irvine 92604?

Among the 8,074 homes in Irvine 92604, it is worth more than 17% of them ($901,697 against a typical $1,319,279), its price per square foot is higher than 36% of them ($739 against a typical $775), it is bigger than 24% of them (1,220 ft² against a typical 1,633 ft²), its lot is bigger than almost none of them (1,389 ft² against a typical 0.12 ac) and it is newer than 72% of them (1977 against a typical 1976). Measured against all of Orange County, it is worth more than 31% 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 10 Blackstone, Irvine, CA?

The 2025 property tax bill for 10 Blackstone, Irvine, CA was $5,832. The county assessed it at $608,215.

More homes on Blackstone

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