427 E Duffy St, Norman, OK 73071 Property Records

Cleveland County property record for 427 E Duffy St, Norman, OK 73071

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,086 sqft · built 1925
Lot Size	0.139 acres (6,098 sqft)
Owner	2 Individual Names on File
Last Sale	$74,500 (Jan 2016)
Tax Bill	$1,440 (2025)
Flood Zone	Zone X (minimal risk)
APN	`NC29CLAML 9 29001`

Property Details

APN / Parcel Number

Primary APN	`NC29CLAML 9 29001`
Alternative APN	`29541`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,086 sqft Living Area
1st Floor Area	1,086 sqft

Exterior

Year Built	Built 1925
Architectural Style	Conventional
Exterior Material	Metal
Construction Type	Frame
Foundation Type	Masonry
Roof Type	Gable
Roof Material	Composition Shingle
Lot Area	6,098 sqft (0.139 acres)

Exterior Amenities

Porch	Porch
Porch Area	105 sqft
Deck Area	Deck Area
Patio Area	24 sqft

Utilities, Heating & Cooling

Cooling System	Window A/C
Heating System	Floor/Wall Furnace

Location & Zoning

Account Number	29541
Old Parcel Number	29541
Street Address	427 E DUFFY ST
City	NORMAN
State	OK
Zip	73071-5056
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	CLASSEN MILLER E15' LOT 29 AND ALL LOT 30 AND W 6' LOT 31 BLK 9
Legal Range	02W
Legal Township	09N
Legal Section	32
Legal Quarter	NW
Legal Subdivision	CLASSEN MILLER
Legal Block	9
Legal Lot Number	29-31
Jurisdiction	CLEVELAND OK
Township / Civil Division	NORMAN
Census Block Group	3
Census Block	3026
Census Tract	200602

Owner

Source: Cleveland County records · APN NC29CLAML 9 29001

Assessment roll updated October 1, 2025 · Last verified February 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on File
Mailing Address	2519 FAIRFIELD DR, NORMAN, OK 73072-7022
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jan 25, 2016 · Amount on Record
Deed Sale	Jan 25, 2016 · Amount on Record
Deed Document Number	R 2016 02459
Deed Book / Page	5508 / 0471
Record Updated	Jun 08, 2026

Tax Assessment & Valuation

Source: Cleveland County records · Assessment roll updated October 1, 2025 · Last verified February 2026

Property Jurisdictions

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

Tax Bill & Assessment History

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.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$1,440.00 (+10.26%)	$12,000 (+10.25%) Land $5,515 Building $6,485	$174,361 (+92.23%) Land $80,133 Building $94,228
2023	$1,306.00	$10,884 Land $3,600 Building $7,284	$90,706 Land $30,000 Building $60,706

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of February 20, 2025 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	2 in force
Nearby Flood Claims	1 (2015)
Claims Outside the SFHA	1 of 1
Most Recent Claim	May 2015 · Severe Storms, Tornadoes, Straight-line Winds, And Flooding

Wildfire

Wildfire Risk	Low lower than 94% of the US · lower than 95% of Oklahoma
Wildfire Likelihood	0.02% annual chance
Exposure	Direct burnable vegetation at the parcel

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL · Fixed Wireless in parts of the area	5,000 / 5,000
Cox Communications Cable	2,000 / 100
Verizon Fixed Wireless	300 / 20

May also be available: Oklahoma Electric Cooperative.

Based on FCC filings for 478 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	NORMAN UTILITIES AUTHORITY serves 104,868 people
Water Source	Surface water
Last State Inspection	Sep 2022
Lead	Under 1 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	Lead service line inventory Oct 2024
Monitoring and Reporting	1 last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.