The property at 428 N 21st St, Duncan, OK 73533, built in 1956, is a 2,574 square foot Single Family and has 5 bedrooms and 3 bathrooms. It is situated on a lot that is 9,403 square feet and was last tax assessed in 2024 for a valuation of $146,086
The estimate for this property has experienced a 5.99% increase in the past 6 months reaching a value of $212,089.
Property Tax History
Source: Public Records
| Year | Assessment |
|---|---|
| 2023 | $2,983 +5.00% |
| 2022 | $2,841 +10.24% |
| 2021 | $2,577 -21.26% |
| 2020 | $3,273 +4.97% |
| 2019 | $3,118 |
| 2018 | $3,118 +6.74% |
| 2016 | $2,921 |
| 2012 | $2,921 |
Valuation History
Source: Public Records
| Month | Valuation | Single Family Homes Sold | Median Sales Price/Sqft |
|---|---|---|---|
| Nov 2025 | $212,089 | - | - |
| Oct 2025 | $213,086 | - | - |
| Sep 2025 | $208,046 | - | - |
| Aug 2025 | $214,043 | - | - |
| Jul 2025 | $204,683 | - | - |
| Jun 2025 | $205,123 | - | - |
| May 2025 | $201,191 | - | - |
| Apr 2025 | $200,095 | - | - |
| Mar 2025 | $194,203 | - | - |
| Feb 2025 | $189,739 | - | - |
| Jan 2025 | $179,440 | - | - |
| Dec 2024 | $176,682 | - | - |
| Nov 2024 | $166,609 | - | - |
| Oct 2024 | $159,523 | - | - |
| Sep 2024 | $159,676 | - | - |
| Aug 2024 | $153,777 | - | - |
| Jul 2024 | $149,561 | - | - |
| Jun 2024 | $146,931 | - | - |
| May 2024 | $144,886 | - | - |
| Apr 2024 | $144,149 | - | - |
| Mar 2024 | $143,496 | - | - |
| Feb 2024 | $143,626 | - | - |
| Jan 2024 | $85,022 | - | - |
| Dec 2023 | $138,000 | - | - |
| Nov 2023 | $138,000 | - | - |
| Oct 2023 | $140,000 | - | - |
| Sep 2023 | $107,871 | - | - |
| Aug 2023 | $138,600 | - | - |
| Jul 2023 | $104,105 | - | - |
| Jun 2023 | $94,086 | - | - |
| May 2023 | $94,252 | - | - |
| Apr 2023 | $88,877 | - | - |
| Mar 2023 | $86,848 | - | - |
| Feb 2023 | $33,390 | - | - |
| Jan 2023 | $26,260 | - | - |
| Dec 2022 | $62,140 | - | - |
| Nov 2022 | $55,120 | - | - |
*Market History, including Median Sales Price per square foot, and Single Family Homes Sold is based on historical data of Zip Code: 73533 - OK
Population & Environment
Source: Sperling's Best Places
| Zip | City | County | National | |
|---|---|---|---|---|
| Population | 26,856 | 21,853 | 43,328 | 335,858,263 |
| Population Density | 81 | 552 | 50 | 95 |
| People per Household | 2.4 | 2.4 | 2.5 | 2.6 |
| Median Age | 40.2 | 39.6 | 40.9 | 39.1 |
| Median Income | $48,503 | $47,036 | $49,862 | $66,222 |
| Average Income | $26,873 | $26,678 | $26,795 | $35,475 |
| Cost of Living Index | 85 | 83 | 87 | 100 |
| Zip | City | County | National | |
|---|---|---|---|---|
| January Avg. High Temp | 26.7°F | 26.7°F | 26.7°F | 22.6°F |
| July Avg. High Temp | 93.9°F | 93.9°F | 93.9°F | 86.2°F |
| Annual Precipitation | 36.41" | 36.41" | 36.41" | 38" |
Click Zestimate price to view details on Zillow. Zestimate data is provided "as is" via the Zestimate API. © Zillow, Inc., 2006-2022. Use is subject to Terms of Use.
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