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Single Family ResidenceResidential
$446,896$170 / 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 95How 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

18420 320TH ST

NORMAN, OK 73072
4
Beds
4
Baths
2,626 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.
0.5 ac
Lot SizeThe size of the land the home sits on, from county records.
2007
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$447K
$424K low$470K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,230 (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.$45,991 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,583
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$41,408
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$41,363
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$418,100

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Traditional/Old
CountyMCCLAIN
Lot (acres)The size of the land the home sits on, from county records.0.50
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
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.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Shed · 192 ft²Patio · 82 ft²Porch · 260 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.

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

M
Alcott Middle SchoolB+
Middle · Grades 6–8 · 4.0 mi
E
Jackson Elementary SchoolC-
Elementary · Grades PK–5 · 4.3 mi
H
Norman High SchoolA
High · Grades 9–12 · 4.9 mi

District: Norman Public Schools

Neighborhood · ZIP 73072These 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.96
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.85

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.50,691
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.951 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$79,738
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$108,103
Average tempThe average temperature here across a full year.61°F
Annual precipHow much rain and melted snow falls here in a typical year.37 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.62%

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

18420 320th St 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 81% of homes in McClain County
  • Costs more per square foot than 68% of homes in Norman 73072
  • Bigger than 84% of homes in McClain County
  • Has a bigger lot than 87% of homes in Norman 73072
  • Newer than 84% of homes in Norman 73072

What homes are worth in Norman 73072

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

This home
$142K$996K

This home is worth more than 77% of homes in Norman 73072.

How it measures up in Norman 73072

The dot is this home. The mark in the middle is the typical home in Norman 73072.

Estimated value$446,896
CheaperTypical $324,500Pricier

Pricier than 77% of homes nearby

Price per ft²$170
CheaperTypical $160Pricier

Pricier than 68% of homes nearby

Living area2,626 ft²
SmallerTypical 2,003 ft²Bigger

Bigger than 76% of homes nearby

Lot size0.5 ac
SmallerTypical 0.23 acBigger

Bigger than 87% of homes nearby

Year built2007
OlderTypical 1991Newer

Newer than 84% of homes nearby

How 18420 320th St ranks against every home in each area.
MeasureThis homeNorman 73072McClain County
Estimated valuepricier than$446,89677% of homes81% of homes
Price per ft²pricier than$17068% of homes59% of homes
Living areabigger than2,626 ft²76% of homes84% of homes
Lot sizebigger than0.5 ac87% of homes40% of homes
Year builtnewer than200784% of homes62% of homes

About 18420 320th St

How much is 18420 320th St, Norman, OK worth?

The TopHap Estimate for 18420 320th St, Norman, OK is $446,896 as of Oct 21, 2026. The likely range is $424,218 to $469,574. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18420 320th St, Norman, OK last sell?

18420 320th St, Norman, OK last sold on Sep 17, 2020, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 18420 320th St, Norman, OK?

18420 320th St, Norman, OK has 4 bedrooms, 4 bathrooms, 2,626 square feet of living space and a 0.50-acre lot.

When was 18420 320th St, Norman, OK built?

18420 320th St, Norman, OK was built in 2007, making it 19 years old. It is a traditional/old home. The building has 1 story.

What schools serve 18420 320th St, Norman, OK?

18420 320th St, Norman, OK is assigned to Alcott Middle School (middle), rated B+; Jackson Elementary School (elementary), rated C-; Norman High School (high), rated A. All sit in Norman Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18420 320th St, Norman, OK compare to other homes in Norman 73072?

Among the 14,012 homes in Norman 73072, it is worth more than 77% of them ($446,896 against a typical $324,500), its price per square foot is higher than 68% of them ($170 against a typical $160), it is bigger than 76% of them (2,626 ft² against a typical 2,003 ft²), its lot is bigger than 87% of them (0.5 ac against a typical 0.23 ac) and it is newer than 84% of them (2007 against a typical 1991). Measured against all of McClain County, it is worth more than 81% 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 18420 320th St, Norman, OK?

The 2025 property tax bill for 18420 320th St, Norman, OK was $4,230. The county assessed it at $45,991.

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