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Single Family ResidenceResidential
$1,276,289$844 / 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 91How 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 $830,000 on Jan 5, 2006

320 S GRAND ST

ORANGE, CA 92866
3
Beds
1.5
Baths
1,512 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1923
Year BuiltThe year the home was originally built, according to county records.
1
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

$1.3M
$1.2M low$1.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$830,000 · Jan 5, 2006

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,127 (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.$272,308 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$190,616
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$81,692
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$263,988

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.0.15
HeatingThe type of heating system in the home.Gas
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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.

E
Palmyra Elementary SchoolB+
Elementary · Grades KG–6 · 0.7 mi
H
Orange High SchoolC+
High · Grades 9–12 · 0.9 mi
M
Yorba Middle SchoolB
Middle · Grades 6–8 · 1.4 mi

District: Orange Unified School District

Neighborhood · ZIP 92866These 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.141
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.276

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.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.7%
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.16,324
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,503 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$90,881
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$118,660
Average tempThe average temperature here across a full year.64°F
Annual precipHow much rain and melted snow falls here in a typical year.14 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

320 S Grand St 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 more than 79% of homes in Old Towne Orange
  • Costs more per square foot than 83% of homes in Orange County
  • Has a smaller lot than 78% of homes in Orange 92866
  • Among the oldest homes in Orange County

What homes are worth in Orange 92866

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

This home
$442K$1.7M

This home is worth more than 79% of homes in Orange 92866.

How it measures up in Orange 92866

The dot is this home. The mark in the middle is the typical home in Orange 92866.

Estimated value$1,276,289
CheaperTypical $1,054,845Pricier

Pricier than 79% of homes nearby

Price per ft²$844
CheaperTypical $724Pricier

Pricier than 71% of homes nearby

Living area1,512 ft²
SmallerTypical 1,529 ft²Bigger

Bigger than 48% of homes nearby

Lot size0.15 ac
SmallerTypical 0.16 acBigger

Bigger than 22% of homes nearby

Year built1923
OlderTypical 1956Newer

Newer than 25% of homes nearby

How 320 S Grand St ranks against every home in each area.
MeasureThis homeOld Towne OrangeOrange 92866Orange County
Estimated valuepricier than$1,276,28979% of homes79% of homes60% of homes
Price per ft²pricier than$84449% of homes71% of homes83% of homes
Living areabigger than1,512 ft²61% of homes48% of homes38% of homes
Lot sizebigger than0.15 ac43% of homes22% of homes49% of homes
Year builtnewer than192340% of homes25% of homesalmost no homes

About 320 S Grand St

How much is 320 S Grand St, Orange, CA worth?

The TopHap Estimate for 320 S Grand St, Orange, CA is $1,276,289 as of Sep 24, 2026. The likely range is $1,160,106 to $1,392,472. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 320 S Grand St, Orange, CA last sell?

320 S Grand St, Orange, CA last sold on Jan 5, 2006 for $830,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 320 S Grand St, Orange, CA?

320 S Grand St, Orange, CA has 3 bedrooms, 1.5 bathrooms, 1,512 square feet of living space and a 0.15-acre lot.

When was 320 S Grand St, Orange, CA built?

320 S Grand St, Orange, CA was built in 1923, making it 103 years old. The building has 1 story.

What schools serve 320 S Grand St, Orange, CA?

320 S Grand St, Orange, CA is assigned to Palmyra Elementary School (elementary), rated B+; Orange High School (high), rated C+; Yorba Middle School (middle), rated B. All sit in Orange Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 320 S Grand St, Orange, CA compare to other homes in Orange 92866?

Among the 3,388 homes in Orange 92866, it is worth more than 79% of them ($1,276,289 against a typical $1,054,845), its price per square foot is higher than 71% of them ($844 against a typical $724), it is bigger than 48% of them (1,512 ft² against a typical 1,529 ft²), its lot is bigger than 22% of them (0.15 ac against a typical 0.16 ac) and it is newer than 25% of them (1923 against a typical 1956). Measured against all of Orange County, it is worth more than 60% 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 320 S Grand St, Orange, CA?

The 2025 property tax bill for 320 S Grand St, Orange, CA was $3,127. The county assessed it at $272,308.

More homes on S Grand St

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