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Single Family ResidenceResidential
$1,278,307$633 / 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 Oct 21, 2026
Last sold for $840,000 on Feb 4, 2021

10471 MAST AVE

WESTMINSTER, CA 92683
3
Beds
3
Baths
2,019 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1960
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
9
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.$840,000 · Feb 4, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,719 (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.$927,426 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$823,571
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$103,855
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$909,242

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.0.2 percent flood zone

Scores 0–100; higher = greater projected risk.

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.0.14
HeatingThe type of heating system in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(9)

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(10)

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

E
Post Elementary SchoolA
Elementary · Grades KG–6 · 0.1 mi
M
James Irvine Intermediate SchoolA-
Middle · Grades 7–8 · 0.2 mi
H
La Quinta High SchoolA
High · Grades 9–12 · 0.8 mi

District: Garden Grove Unified 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%

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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

10471 Mast 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.

  • Worth more than 87% of homes in Little Saigon
  • Bigger than 81% of homes in Little Saigon
  • Has a smaller lot than 83% of homes in Little Saigon
  • Older than 80% 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
$642K$1.6M

This home is worth more than 84% 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$1,278,307
CheaperTypical $1,033,540Pricier

Pricier than 84% of homes nearby

Price per ft²$633
CheaperTypical $627Pricier

Pricier than 51% of homes nearby

Living area2,019 ft²
SmallerTypical 1,586 ft²Bigger

Bigger than 74% of homes nearby

Lot size0.14 ac
SmallerTypical 0.15 acBigger

Bigger than 19% of homes nearby

Year built1960
OlderTypical 1964Newer

Newer than 36% of homes nearby

How 10471 Mast Ave ranks against every home in each area.
MeasureThis homeLittle SaigonWestminster 92683Orange County
Estimated valuepricier than$1,278,30787% of homes84% of homes60% of homes
Price per ft²pricier than$63354% of homes51% of homes43% of homes
Living areabigger than2,019 ft²81% of homes74% of homes64% of homes
Lot sizebigger than0.14 ac17% of homes19% of homes34% of homes
Year builtnewer than196044% of homes36% of homes20% of homes

About 10471 Mast Ave

How much is 10471 Mast Ave, Westminster, CA worth?

The TopHap Estimate for 10471 Mast Ave, Westminster, CA is $1,278,307 as of Oct 21, 2026. The likely range is $1,196,597 to $1,360,017. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 10471 Mast Ave, Westminster, CA last sell?

10471 Mast Ave, Westminster, CA last sold on Feb 4, 2021 for $840,000, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 10471 Mast Ave, Westminster, CA?

10471 Mast Ave, Westminster, CA has 3 bedrooms, 3 bathrooms, 2,019 square feet of living space and a 0.14-acre lot.

When was 10471 Mast Ave, Westminster, CA built?

10471 Mast Ave, Westminster, CA was built in 1960, making it 66 years old. The building has 1 story.

What schools serve 10471 Mast Ave, Westminster, CA?

10471 Mast Ave, Westminster, CA is assigned to Post Elementary School (elementary), rated A; James Irvine Intermediate School (middle), rated A-; La Quinta High School (high), rated A. All sit in Garden Grove Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 10471 Mast Ave, Westminster, CA compare to other homes in Westminster 92683?

Among the 20,052 homes in Westminster 92683, it is worth more than 84% of them ($1,278,307 against a typical $1,033,540), its price per square foot is higher than 51% of them ($633 against a typical $627), it is bigger than 74% of them (2,019 ft² against a typical 1,586 ft²), its lot is bigger than 19% of them (0.14 ac against a typical 0.15 ac) and it is newer than 36% of them (1960 against a typical 1964). 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 10471 Mast Ave, Westminster, CA?

The 2025 property tax bill for 10471 Mast Ave, Westminster, CA was $10,719. The county assessed it at $927,426.

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