Stephens County property record for 623 N 18th St, Duncan, OK 73533
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,184 sqft · built 1959 |
| Lot Size | 0.202 acres (8,808 sqft) |
| Owner | Company Name on File |
| Last Sale | $56,500 (Jul 2023) |
| Tax Bill | $520 (2025) |
| Deeds & Mortgages | Jul 2023 Sale & Mortgage Jul 2023 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 15965 |
| Primary APN | 15965 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,184 sqft Living Area |
| Storm Shelter | Storm Shelter |
| Storm Shutters | Storm Shutters |
| Year Built | Built 1959 |
|---|---|
| Effective Year Built | Effective 1959 |
| Architectural Style | Traditional |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Foundation Type | Footing |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 8,808 sqft (0.202 acres) |
| Garage Type | Attached |
| Garage Area | 288 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Slab |
| Porch Area | 176 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | 15965 |
|---|---|
| Street Address | 623 N 18TH ST |
| City | DUNCAN |
| State | OK |
| Zip | 73533-2319 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | BLK 2 LOT 1 CARVER ADD |
| Legal Range | 07W |
| Legal Township | 01N |
| Legal Section | 31 |
| Legal Subdivision | CARVER |
| Legal Block | 2 |
| Legal Lot Number | 1 |
| Jurisdiction | STEPHENS OK |
| Township / Civil Division | DUNCAN |
| Census Block Group | 2 |
| Census Block | 2029 |
| Census Tract | 101 |
623 N 18th St is owned by a company that bought it in July 2023.
Source: Stephens County records, as of September 23, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 277286 E 1740 RD, DUNCAN, OK 73533-2760 |
| Owner Type | Company |
| Vesting | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Jul 25, 2023 | Warranty Deed, Transfer · Commercial Mortgage LIBERTY NATIONAL BANK |
| Jul 25, 2023 | Quit Claim Deed, Transfer STEPHENS COUNTY ABSTRACT COMPANY, STEPHENS CO ABSTRACT CO |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 25, 2023 · Amount on File |
| Deed Sale | Jul 25, 2023 · Amount on File |
| Prior Sale | Nov 29, 2010 · Amount on File |
| Deed Document Number | 20236954 |
| Deed Book / Page | 6370 / 123 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | STEPHENS OK |
| Recording Date | Jul 25, 2023 |
| Property Address | 623 N 18TH ST, DUNCAN, OK 73533-2319 |
| Document Number | 006370/123 |
| Book / Page | 6370 / 123 |
| Instrument Date | Jul 20, 2023 |
| Instrument | I-2023-006954 |
| Transaction Type | Transfer |
| Record Updated | Aug 11, 2023 |
| Title Company | STEPHENS COUNTY ABSTRACT COMPANY, STEPHENS CO ABSTRACT CO |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $84.75 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 2122 W SEATT LN, DUNCAN, OK 73533 |
| Document Number | I2023006955 |
|---|---|
| Date | Jul 25, 2023 |
| Instrument | I-2023-006955 |
| Name | LIBERTY NATIONAL BANK |
|---|---|
| Type | Bank |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | STEPHENS OK |
| Recording Date | Jul 25, 2023 |
| Property Address | 623 N 18TH ST, DUNCAN, OK 73533-2319 |
| Document Number | 006370/122 |
| Book / Page | 6370 / 122 |
| Instrument Date | Jul 19, 2023 |
| Instrument | I-2023-006953 |
| Transaction Type | Transfer |
| Record Updated | Aug 11, 2023 |
| Title Company | STEPHENS COUNTY ABSTRACT COMPANY, STEPHENS CO ABSTRACT CO |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 623 N 18TH ST, DUNCAN, OK 73533-2319 |
The 2025 property tax bill for 623 N 18th St was $520, down 0.2% from the year before.
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 | $6,449 (+4.5%) Land $775 Building $5,674 | $58,626 (+4.49%) Land $7,046 Building $51,580 | |
| 2025 | $520.00 (-0.19%) | $6,171 (-4.21%) Land $775 Building $5,396 | $56,105 (-4.21%) Land $7,046 Building $49,059 |
| 2024 | $521.00 (+54.6%) | $6,442 (+1.99%) Land $775 Building $5,667 | $58,568 (+2.01%) Land $7,046 Building $51,522 |
| 2023 | $337.00 (+4.66%) | $6,316 (+28.09%) Land $775 Building $5,541 | $57,415 (+4.98%) Land $7,046 Building $50,369 |
| 2022 | $322.00 Homeowner's exemption | $4,931 Land $775 Building $4,156 | $54,693 Land $7,046 Building $47,647 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 623 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 623 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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