Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,066,693$605 / 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 Sep 24, 2026
Last sold for $364,000 on Dec 17, 2008

6431 SUNSIDE AVE

WESTMINSTER, CA 92683
3
Beds
1
Baths
1,762 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
Year BuiltThe year the home was originally built, according to county records.
3
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

$1.1M
$991K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$364,000 · Dec 17, 2008

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,808 (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.$477,981 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$369,381
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$108,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$468,609

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.0.17
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

Transaction History(10)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(2)

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

H
Westminster High SchoolB+
High · Grades 9–12 · 0.5 mi
E
Ada Clegg Elementary SchoolA-
Elementary · Grades KG–5 · 0.7 mi
M
Helen Stacey Middle SchoolA-
Middle · Grades 6–8 · 0.7 mi

District: Westminster Elementary School District

Neighborhood · ZIP 92683These 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.101
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 100.333

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.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
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.92,524
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,922 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$78,315
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$102,604
Average tempThe average temperature here across a full year.63°F
Annual precipHow much rain and melted snow falls here in a typical year.12 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.75%

Owner Tools

Do you own this home?
Claim this home

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

6431 Sunside Ave 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 66% of homes in Orange County
  • Has a bigger lot than 80% of homes in Westminster 92683
  • Older than 88% of homes in Orange County

What homes are worth in Westminster 92683

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

This home
$633K$1.6M

This home is worth more than 56% of homes in Westminster 92683.

How it measures up in Westminster 92683

The dot is this home. The mark in the middle is the typical home in Westminster 92683.

Estimated value$1,066,693
CheaperTypical $1,035,822Pricier

Pricier than 56% of homes nearby

Price per ft²$605
CheaperTypical $632Pricier

Pricier than 41% of homes nearby

Living area1,762 ft²
SmallerTypical 1,590 ft²Bigger

Bigger than 62% of homes nearby

Lot size0.17 ac
SmallerTypical 0.15 acBigger

Bigger than 80% of homes nearby

Year built1955
OlderTypical 1964Newer

Newer than 15% of homes nearby

How 6431 Sunside Ave ranks against every home in each area.
MeasureThis homeWestminster 92683Orange County
Estimated valuepricier than$1,066,69356% of homes45% of homes
Price per ft²pricier than$60541% of homes34% of homes
Living areabigger than1,762 ft²62% of homes52% of homes
Lot sizebigger than0.17 ac80% of homes66% of homes
Year builtnewer than195515% of homes12% of homes

About 6431 Sunside Ave

How much is 6431 Sunside Ave, Westminster, CA worth?

The TopHap Estimate for 6431 Sunside Ave, Westminster, CA is $1,066,693 as of Sep 24, 2026. The likely range is $991,014 to $1,142,371. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6431 Sunside Ave, Westminster, CA last sell?

6431 Sunside Ave, Westminster, CA last sold on Dec 17, 2008 for $364,000, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 6431 Sunside Ave, Westminster, CA?

6431 Sunside Ave, Westminster, CA has 3 bedrooms, 1 bathrooms, 1,762 square feet of living space and a 0.17-acre lot.

When was 6431 Sunside Ave, Westminster, CA built?

6431 Sunside Ave, Westminster, CA was built in 1955, making it 71 years old. The building has 3 stories.

What schools serve 6431 Sunside Ave, Westminster, CA?

6431 Sunside Ave, Westminster, CA is assigned to Westminster High School (high), rated B+; Ada Clegg Elementary School (elementary), rated A-; Helen Stacey Middle School (middle), rated A-. All sit in Westminster Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 6431 Sunside Ave, Westminster, CA compare to other homes in Westminster 92683?

Among the 20,051 homes in Westminster 92683, it is worth more than 56% of them ($1,066,693 against a typical $1,035,822), its price per square foot is higher than 41% of them ($605 against a typical $632), it is bigger than 62% of them (1,762 ft² against a typical 1,590 ft²), its lot is bigger than 80% of them (0.17 ac against a typical 0.15 ac) and it is newer than 15% of them (1955 against a typical 1964). Measured against all of Orange County, it is worth more than 45% 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 6431 Sunside Ave, Westminster, CA?

The 2025 property tax bill for 6431 Sunside Ave, Westminster, CA was $5,808. The county assessed it at $477,981.

More homes on Sunside Ave

Closest homes

More homes in Westminster 92683

Assigned schools

Explore the area

See this home in context

Open 6431 Sunside Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map