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Single Family ResidenceResidential
$589,137$161 / 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 96How 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 $525,000 on Mar 23, 2021

18521 W MAUI LN

SURPRISE, AZ 85388
4
Baths
3,666 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.
2005
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$589K
$567K low$611K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$525,000 · Mar 23, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,377 (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.$47,260 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$47,610
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$472,600

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)
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Refrigerator
PoolWhether the property has a pool, and what kind, such as in-ground.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 180 ft²

Transaction History(6)

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.

E
Sunset Hills Elementary SchoolA-
Elementary · Grades PK–8 · 0.9 mi
H
Shadow Ridge High SchoolA-
High · Grades 9–12 · 2.5 mi

District: Dysart Unified District

Neighborhood · ZIP 85388These 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.30
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 100.48

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.32,641
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,787 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$96,573
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$123,962
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%

Owner Tools

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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

18521 W Maui Ln 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 82% of homes in Surprise 85388
  • Costs less per square foot than 98% of homes in Maricopa County
  • Bigger than 96% of homes in Surprise 85388
  • Has a bigger lot than 77% of homes in Surprise 85388
  • Newer than 78% of homes in Maricopa County

What homes are worth in Surprise 85388

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

This home
$326K$925K

This home is worth more than 82% of homes in Surprise 85388.

How it measures up in Surprise 85388

The dot is this home. The mark in the middle is the typical home in Surprise 85388.

Estimated value$589,137
CheaperTypical $447,453Pricier

Pricier than 82% of homes nearby

Price per ft²$161
CheaperTypical $213Pricier

Pricier than 5% of homes nearby

Living area3,666 ft²
SmallerTypical 2,155 ft²Bigger

Bigger than 96% of homes nearby

Lot size0.18 ac
SmallerTypical 0.15 acBigger

Bigger than 77% of homes nearby

Year built2005
OlderTypical 2006Newer

Newer than 49% of homes nearby

How 18521 W Maui Ln ranks against every home in each area.
MeasureThis homeSurprise 85388Maricopa County
Estimated valuepricier than$589,13782% of homes69% of homes
Price per ft²pricier than$1615% of homes2% of homes
Living areabigger than3,666 ft²96% of homes94% of homes
Lot sizebigger than0.18 ac77% of homes60% of homes
Year builtnewer than200549% of homes78% of homes

About 18521 W Maui Ln

How much is 18521 W Maui Ln, Surprise, AZ worth?

The TopHap Estimate for 18521 W Maui Ln, Surprise, AZ is $589,137 as of Sep 24, 2026. The likely range is $567,304 to $610,970. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18521 W Maui Ln, Surprise, AZ last sell?

18521 W Maui Ln, Surprise, AZ last sold on Mar 23, 2021 for $525,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 18521 W Maui Ln, Surprise, AZ?

18521 W Maui Ln, Surprise, AZ has 4 bathrooms, 3,666 square feet of living space and a 0.18-acre lot.

When was 18521 W Maui Ln, Surprise, AZ built?

18521 W Maui Ln, Surprise, AZ was built in 2005, making it 21 years old. The building has 2 stories.

What schools serve 18521 W Maui Ln, Surprise, AZ?

18521 W Maui Ln, Surprise, AZ is assigned to Sunset Hills Elementary School (elementary), rated A-; Shadow Ridge High School (high), rated A-. All sit in Dysart Unified District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18521 W Maui Ln, Surprise, AZ compare to other homes in Surprise 85388?

Among the 12,309 homes in Surprise 85388, it is worth more than 82% of them ($589,137 against a typical $447,453), its price per square foot is higher than 5% of them ($161 against a typical $213), it is bigger than 96% of them (3,666 ft² against a typical 2,155 ft²), its lot is bigger than 77% of them (0.18 ac against a typical 0.15 ac) and it is newer than 49% of them (2005 against a typical 2006). Measured against all of Maricopa County, it is worth more than 69% 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 18521 W Maui Ln, Surprise, AZ?

The 2025 property tax bill for 18521 W Maui Ln, Surprise, AZ was $2,377. The county assessed it at $47,260.

More homes on W Maui Ln

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