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Single Family ResidenceResidential
$1,613,327$603 / 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 97How 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

640 W VALENCIA MESA DR

FULLERTON, CA 92835
3
Beds
2
Baths
2,675 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.
0.42 ac
Lot SizeThe size of the land the home sits on, from county records.
1949
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.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.6M
$1.6M low$1.7M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,538 (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.$206,896 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$56,919
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$149,977
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$202,840

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.0.42
HeatingThe type of heating system in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.Pool W/Hot Tub/Spa

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
Laguna Road Elementary SchoolA+
Elementary · Grades KG–6 · 0.5 mi
M
D. Russell Parks Junior High SchoolA
Middle · Grades 7–8 · 1.1 mi
H
Sunny Hills High SchoolA
High · Grades 9–12 · 1.2 mi

District: Fullerton Elementary School District

Neighborhood · ZIP 92835These 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.66
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.358

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.8%
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.26,355
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,290 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$128,373
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$164,282
Average tempThe average temperature here across a full year.64°F
Annual precipHow much rain and melted snow falls here in a typical year.15 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

640 W Valencia Mesa 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 more than 76% of homes in Orange County
  • Costs less per square foot than 66% of homes in Orange County
  • Bigger than 83% of homes in Orange County
  • Has a bigger lot than 96% of homes in Orange County
  • Older than 98% of homes in Fullerton 92835

What homes are worth in Fullerton 92835

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

This home
$400K$2.8M

This home is worth more than 72% of homes in Fullerton 92835.

How it measures up in Fullerton 92835

The dot is this home. The mark in the middle is the typical home in Fullerton 92835.

Estimated value$1,613,327
CheaperTypical $1,240,900Pricier

Pricier than 72% of homes nearby

Price per ft²$603
CheaperTypical $585Pricier

Pricier than 58% of homes nearby

Living area2,675 ft²
SmallerTypical 2,161 ft²Bigger

Bigger than 71% of homes nearby

Lot size0.42 ac
SmallerTypical 0.21 acBigger

Bigger than 82% of homes nearby

Year built1949
OlderTypical 1968Newer

Newer than 2% of homes nearby

How 640 W Valencia Mesa Dr ranks against every home in each area.
MeasureThis homeFullerton 92835Orange County
Estimated valuepricier than$1,613,32772% of homes76% of homes
Price per ft²pricier than$60358% of homes34% of homes
Living areabigger than2,675 ft²71% of homes83% of homes
Lot sizebigger than0.42 ac82% of homes96% of homes
Year builtnewer than19492% of homes4% of homes

About 640 W Valencia Mesa Dr

How much is 640 W Valencia Mesa Dr, Fullerton, CA worth?

The TopHap Estimate for 640 W Valencia Mesa Dr, Fullerton, CA is $1,613,327 as of Sep 24, 2026. The likely range is $1,560,996 to $1,665,658. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 640 W Valencia Mesa Dr, Fullerton, CA last sell?

640 W Valencia Mesa Dr, Fullerton, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 640 W Valencia Mesa Dr, Fullerton, CA?

640 W Valencia Mesa Dr, Fullerton, CA has 3 bedrooms, 2 bathrooms, 2,675 square feet of living space and a 0.42-acre lot.

When was 640 W Valencia Mesa Dr, Fullerton, CA built?

640 W Valencia Mesa Dr, Fullerton, CA was built in 1949, making it 77 years old. The building has 2 stories.

What schools serve 640 W Valencia Mesa Dr, Fullerton, CA?

640 W Valencia Mesa Dr, Fullerton, CA is assigned to Laguna Road Elementary School (elementary), rated A+; D. Russell Parks Junior High School (middle), rated A; Sunny Hills High School (high), rated A. All sit in Fullerton Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 640 W Valencia Mesa Dr, Fullerton, CA compare to other homes in Fullerton 92835?

Among the 7,522 homes in Fullerton 92835, it is worth more than 72% of them ($1,613,327 against a typical $1,240,900), its price per square foot is higher than 58% of them ($603 against a typical $585), it is bigger than 71% of them (2,675 ft² against a typical 2,161 ft²), its lot is bigger than 82% of them (0.42 ac against a typical 0.21 ac) and it is newer than 2% of them (1949 against a typical 1968). Measured against all of Orange County, it is worth more than 76% 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 640 W Valencia Mesa Dr, Fullerton, CA?

The 2025 property tax bill for 640 W Valencia Mesa Dr, Fullerton, CA was $2,538. The county assessed it at $206,896.

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