509 N L St, Duncan, OK 73533 Property Records

Stephens County property record for 509 N L St, Duncan, OK 73533

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,081 sqft · built 1950
Lot Size	0.213 acres (9,277 sqft)
Owner	2 Individual Names on File
Last Sale	$94,000 (Jul 2025)
Tax Bill	$546 (2025)
Deeds & Mortgages	Jan 2023 Sale
Flood Zone	Zone X (minimal risk)
APN	`15561`

Property Details

APN / Parcel Number

Primary APN	`15561`
Alternative APN	`1020-00-001-005-0-000-00`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,081 sqft Living Area

Exterior

Year Built	Built 1950
Effective Year Built	Effective 2023
Architectural Style	Traditional
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Foundation Type	Slab (Mat/Raft)
Roof Type	Hip
Roof Material	Composition Shingle
Lot Area	9,277 sqft (0.213 acres)
Garage Type	Attached
Garage Area	325 sqft
Parking Spaces	1 Parking Space
Porch	Porch
Deck Area	32 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Account Number	15561
Street Address	509 N L ST
City	DUNCAN
State	OK
Zip	73533-6201
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	BLK 1 LOT 5 BRANCH #1
Legal Range	07W
Legal Township	01N
Legal Section	33
Legal Subdivision	BRANCH
Legal Block	1
Legal Lot Number	5
Jurisdiction	STEPHENS OK
Township / Civil Division	DUNCAN
Census Block Group	2
Census Block	2007
Census Tract	400

Owner

509 N L St is owned and occupied by two individuals who bought it in July 2025.

Source: Stephens County records, as of September 23, 2026

Owner of Record	2 Individual Names on File
Mailing Address	509 N L ST, DUNCAN, OK 73533-6201
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 10, 2025 · Amount on File
Deed Sale	Jul 10, 2025 · Amount on File
Prior Sale	Apr 15, 1997 · Amount on File
Deed Document Number	20256080
Deed Book / Page	6700 / 194
Record Updated	Oct 29, 2026

January 2023: Personal Representative Deed, Transfer

Document Type	Personal Representative Deed
Jurisdiction	STEPHENS OK
Recording Date	Jan 10, 2023
Property Address	509 N L ST, DUNCAN, OK 73533-6201
Document Number	0006282/19
Book / Page	6282 / 19
Instrument Date	Dec 1, 2022
Instrument	I-2023-000277
Transaction Type	Transfer
Record Updated	Jan 27, 2023

Transaction

Amount	Amount on Record
Tax	$1.50
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	179414 N 2280 ROAD, COMANCHE, OK 73529

Tax Assessment & Valuation

The 2025 property tax bill for 509 N L St was $546 with a homeowner's exemption, down 13.5% from the year before.

Source: Stephens County assessment roll, as of March 23, 2026

Property Jurisdictions

Type	Name
State	Oklahoma
County	Stephens County
Municipality	Duncan City
Unified School District	Duncan Public Schools (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$10,654 (+42.45%) Land $452 Building $10,202	$96,847 (+42.44%) Land $4,105 Building $92,742
2025	$546.00 (-13.47%) Homeowner's exemption	$7,479 (-6.98%) Land $452 Building $7,027	$67,991 (-6.97%) Land $4,105 Building $63,886
2024	$631.00 (+116.1%)	$8,040 (+11.64%) Land $452 Building $7,588	$73,085 (+11.63%) Land $4,105 Building $68,980
2023	$292.00	$7,202 Land $452 Building $6,750	$65,470 Land $4,105 Building $61,365

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.

Flood

FEMA maps place 509 N L St in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2007.

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
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force
Nearby Flood Claims	2 (2007–2019)
Claims Outside the SFHA	1 of 2
Most Recent Claim	May 2019 · Severe Storms, Straight-line Winds, 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.

Wildfire

Wildfire risk around 509 N L St is moderate, ranking above 65% of the US, with a 0.2% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Moderate above 65% of the US · lower than 72% of Oklahoma
Wildfire Likelihood	0.2% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	STEPHENS CO RWD #5 serves 6,426 people · EPA ID OK2006969
Water Source	Purchased surface water from DUNCAN PUBLIC UTILITIES AUTHORITY
Last State Inspection	Aug 2025
Lead	Under 1 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	Lead service line inventory currently in violation since Oct 2024
Monitoring and Reporting	2 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 121 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
AT&T Fixed Wireless	100 / 20