Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$268,462$199 / 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 91How 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 $225,000 on Jul 20, 2021

4431 S 18TH PL

PHOENIX, AZ 85040
3
Beds
2
Baths
1,350 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1942
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$268K
$245K low$292K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$225,000 · Jul 20, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$623 (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.$4,131 (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.$244,800

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.0.19
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.Asphalt
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 · 365 ft²

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.

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

M
Percy L. Julian SchoolF
Middle · Grades 4–8 · 0.4 mi
E
Martin Luther King Jr. Elementary SchoolD+
Elementary · Grades PK–3 · 0.5 mi
H
The Academies at South Mountain High SchoolD
High · Grades 9–12 · 1.3 mi

District: Roosevelt Elementary District

Neighborhood · ZIP 85040These 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.128
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.46

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.8.6%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.22%
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.36,904
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,581 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$52,769
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$65,449
Average tempThe average temperature here across a full year.71°F
Annual precipHow much rain and melted snow falls here in a typical year.8 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.86%

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

4431 S 18th Pl 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 93% of homes in Maricopa County
  • Costs less per square foot than 87% of homes in Maricopa County
  • Smaller than 77% of homes in Maricopa County
  • Has a bigger lot than 83% of homes in Phoenix 85040
  • Among the oldest homes in Maricopa County

What homes are worth in Phoenix 85040

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

This home
$156K$499K

This home is worth more than 31% of homes in Phoenix 85040.

How it measures up in Phoenix 85040

The dot is this home. The mark in the middle is the typical home in Phoenix 85040.

Estimated value$268,462
CheaperTypical $305,857Pricier

Pricier than 31% of homes nearby

Price per ft²$199
CheaperTypical $230Pricier

Pricier than 19% of homes nearby

Living area1,350 ft²
SmallerTypical 1,300 ft²Bigger

Bigger than 56% of homes nearby

Lot size0.19 ac
SmallerTypical 0.15 acBigger

Bigger than 83% of homes nearby

Year built1942
OlderTypical 1975Newer

Newer than 4% of homes nearby

How 4431 S 18th Pl ranks against every home in each area.
MeasureThis homeSouth MountainPhoenix 85040Maricopa County
Estimated valuepricier than$268,46215% of homes31% of homes7% of homes
Price per ft²pricier than$19918% of homes19% of homes13% of homes
Living areabigger than1,350 ft²38% of homes56% of homes23% of homes
Lot sizebigger than0.19 ac76% of homes83% of homes65% of homes
Year builtnewer than19422% of homes4% of homesalmost no homes

About 4431 S 18th Pl

How much is 4431 S 18th Pl, Phoenix, AZ worth?

The TopHap Estimate for 4431 S 18th Pl, Phoenix, AZ is $268,462 as of Oct 21, 2026. The likely range is $245,227 to $291,697. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4431 S 18th Pl, Phoenix, AZ last sell?

4431 S 18th Pl, Phoenix, AZ last sold on Jul 20, 2021 for $225,000, according to the county's recorded deed. TopHap holds 9 recorded sales for this parcel.

How big is 4431 S 18th Pl, Phoenix, AZ?

4431 S 18th Pl, Phoenix, AZ has 3 bedrooms, 2 bathrooms, 1,350 square feet of living space and a 0.19-acre lot.

When was 4431 S 18th Pl, Phoenix, AZ built?

4431 S 18th Pl, Phoenix, AZ was built in 1942, making it 84 years old. The building has 1 story.

What schools serve 4431 S 18th Pl, Phoenix, AZ?

4431 S 18th Pl, Phoenix, AZ is assigned to Percy L. Julian School (middle), rated F; Martin Luther King Jr. Elementary School (elementary), rated D+; The Academies at South Mountain High School (high), rated D. All sit in Roosevelt Elementary District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4431 S 18th Pl, Phoenix, AZ compare to other homes in Phoenix 85040?

Among the 8,560 homes in Phoenix 85040, it is worth more than 31% of them ($268,462 against a typical $305,857), its price per square foot is higher than 19% of them ($199 against a typical $230), it is bigger than 56% of them (1,350 ft² against a typical 1,300 ft²), its lot is bigger than 83% of them (0.19 ac against a typical 0.15 ac) and it is newer than 4% of them (1942 against a typical 1975). Measured against all of Maricopa County, it is worth more than 7% 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 4431 S 18th Pl, Phoenix, AZ?

The 2025 property tax bill for 4431 S 18th Pl, Phoenix, AZ was $623. The county assessed it at $4,131.

More homes on S 18th Pl

Closest homes

More homes in Phoenix 85040

Assigned schools

Explore the area

See this home in context

Open 4431 S 18th Pl 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