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Single Family ResidenceResidential
$345,435$274 / 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 $350,000 on Sep 1, 2026

21527 N CASA ROYALE DR

SURPRISE, AZ 85387
2
Beds
2
Baths
1,262 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
2004
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
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

$345K
$326K low$365K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$350,000 · Sep 1, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,793 (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.$23,317 (2025)
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$300,100

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.33 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
CountyMARICOPA
Lot (acres)The size of the land the home sits on, from county records.0.18
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Concrete
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Refrigerator
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 104 ft²

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
Kingswood Elementary SchoolB+
Elementary · Grades PK–8 · 3.0 mi
H
Willow Canyon High SchoolB
High · Grades 9–12 · 3.7 mi

District: Dysart Unified District

Neighborhood · ZIP 85387These 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.51
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.53

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.87%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.7%
PopulationHow many people live in this area.19,049
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.259 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$89,157
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$108,259
Average tempThe average temperature here across a full year.70°F
Annual precipHow much rain and melted snow falls here in a typical year.10 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.86%

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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

21527 N Casa Royale 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 less than 98% of homes in Surprise 85387
  • Costs more per square foot than 80% of homes in Surprise 85387
  • Smaller than 97% of homes in Surprise 85387
  • Has a smaller lot than 66% of homes in Sun City Grand
  • Newer than 97% of homes in Sun City Grand

What homes are worth in Surprise 85387

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

This home
$339K$956K

This home is worth more than 2% of homes in Surprise 85387.

How it measures up in Surprise 85387

The dot is this home. The mark in the middle is the typical home in Surprise 85387.

Estimated value$345,435
CheaperTypical $471,064Pricier

Pricier than 2% of homes nearby

Price per ft²$274
CheaperTypical $238Pricier

Pricier than 80% of homes nearby

Living area1,262 ft²
SmallerTypical 2,020 ft²Bigger

Bigger than 3% of homes nearby

Lot size0.18 ac
SmallerTypical 0.16 acBigger

Bigger than 63% of homes nearby

Year built2004
OlderTypical 2020Newer

Newer than 24% of homes nearby

How 21527 N Casa Royale Dr ranks against every home in each area.
MeasureThis homeSun City GrandSurprise 85387Maricopa County
Estimated valuepricier than$345,4358% of homes2% of homes21% of homes
Price per ft²pricier than$27465% of homes80% of homes56% of homes
Living areabigger than1,262 ft²10% of homes3% of homes18% of homes
Lot sizebigger than0.18 ac34% of homes63% of homes60% of homes
Year builtnewer than200497% of homes24% of homes75% of homes

About 21527 N Casa Royale Dr

How much is 21527 N Casa Royale Dr, Surprise, AZ worth?

The TopHap Estimate for 21527 N Casa Royale Dr, Surprise, AZ is $345,435 as of Sep 24, 2026. The likely range is $325,854 to $365,016. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21527 N Casa Royale Dr, Surprise, AZ last sell?

21527 N Casa Royale Dr, Surprise, AZ last sold on Sep 1, 2026 for $350,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 21527 N Casa Royale Dr, Surprise, AZ?

21527 N Casa Royale Dr, Surprise, AZ has 2 bedrooms, 2 bathrooms, 1,262 square feet of living space and a 0.18-acre lot.

When was 21527 N Casa Royale Dr, Surprise, AZ built?

21527 N Casa Royale Dr, Surprise, AZ was built in 2004, making it 22 years old. The building has 1 story.

What schools serve 21527 N Casa Royale Dr, Surprise, AZ?

21527 N Casa Royale Dr, Surprise, AZ is assigned to Kingswood Elementary School (elementary), rated B+; Willow Canyon High School (high), rated B. All sit in Dysart Unified District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21527 N Casa Royale Dr, Surprise, AZ compare to other homes in Surprise 85387?

Among the 16,320 homes in Surprise 85387, it is worth more than 2% of them ($345,435 against a typical $471,064), its price per square foot is higher than 80% of them ($274 against a typical $238), it is bigger than 3% of them (1,262 ft² against a typical 2,020 ft²), its lot is bigger than 63% of them (0.18 ac against a typical 0.16 ac) and it is newer than 24% of them (2004 against a typical 2020). Measured against all of Maricopa County, it is worth more than 21% 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 21527 N Casa Royale Dr, Surprise, AZ?

The 2025 property tax bill for 21527 N Casa Royale Dr, Surprise, AZ was $1,793. The county assessed it at $23,317.

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