Stephens County property record for 620 N 18th St, Duncan, OK 73533
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,297 sqft · built 1956 |
| Lot Size | 0.143 acres (6,228 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $245 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 15962 |
| Primary APN | 15962 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,297 sqft Living Area |
| Storm Shelter | Storm Shelter |
| Storm Shutters | Storm Shutters |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1986 |
| Architectural Style | Traditional |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Foundation Type | Footing |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 6,228 sqft (0.143 acres) |
| Garage Type | Carport |
| Garage Area | 252 sqft |
| Carport | Carport |
| Carport Area | 252 sqft |
| Parking Spaces | 1 Parking Space |
| Pool Type | Above-Ground Pool |
|---|---|
| Porch | Slab |
| Porch Area | 65 sqft |
| Shed | 1 Shed |
| Shed Area | 100 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | 15962 |
|---|---|
| Street Address | 620 N 18TH ST |
| City | DUNCAN |
| State | OK |
| Zip | 73533-2320 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | BLK 1 LOT 22 CARVER ADD |
| Legal Range | 07W |
| Legal Township | 01N |
| Legal Section | 31 |
| Legal Subdivision | CARVER |
| Legal Block | 1 |
| Legal Lot Number | 22 |
| Jurisdiction | STEPHENS OK |
| Township / Civil Division | DUNCAN |
| Census Block Group | 2 |
| Census Block | 2030 |
| Census Tract | 101 |
620 N 18th St is owned and occupied by an individual.
Source: Stephens County records, as of September 23, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 620 N 18TH ST, DUNCAN, OK 73533-2320 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 620 N 18th St was $245 with a homeowner's exemption.
Source: Stephens County assessment roll, as of March 23, 2026
| Type | Name |
|---|---|
| State | Oklahoma |
| County | Stephens County |
| Municipality | Duncan City |
| Unified School District | Duncan Public Schools (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $4,906 (-) Land $357 Building $4,549 | $44,597 (-19.41%) Land $3,245 Building $41,352 | |
| 2025 | $245.00 Homeowner's exemption | $4,906 (+0.02%) Land $442 Building $4,464 | $55,337 (-1.87%) Land $4,982 Building $50,355 |
| 2024 | $245.00 (-1.61%) Homeowner's exemption | $4,905 (-0.02%) Land $433 Building $4,472 | $56,391 (+18.79%) Land $4,982 Building $51,409 |
| 2023 | $249.00 Homeowner's exemption | $4,906 Land $515 Building $4,391 | $47,472 Land $4,982 Building $42,490 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 620 N 18th St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective September 29, 2010 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 14 policies |
| Nearby Flood Policies | 14 in force |
| Nearby Flood Claims | 1 (2007) |
| Most Recent Claim | Aug 2007 · Severe Storms, Tornadoes, And Flooding |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
The area around 620 N 18th St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | DUNCAN PUBLIC UTILITIES AUTHORITY serves 23,000 people · EPA ID OK1010809 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Sep 2024 |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | Total trihalomethanes not recorded as resolved · Jan 2023 Haloacetic acids resolved · Jul 2017 Turbidity resolved · Dec 2016 |
|---|---|
| Treatment and Procedure | Organic carbon removal Oct 2024 |
| Monitoring and Reporting | 6 last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 476 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Dobson Fiber Fiber | 10,000 / 10,000 |
| Sparklight Cable | 1,000 / 50 |
| Nextlink Fixed Wireless | 500 / 100 |
| 360 Broadband Fixed Wireless | 400 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
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