407 4th Ave, Keystone, IA 52249 Property Records

Benton County property record for 407 4th Ave, Keystone, IA 52249

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,244 sqft · built 1920
Lot Size	0.244 acres (10,650 sqft)
Owner	Individual Name on File
Last Sale	$27,500 (Oct 2010)
Tax Bill	$1,476 (2024)
Flood Zone	Zone X (minimal risk)
APN	`09014100`

Property Details

APN / Parcel Number

Primary APN	`09014100`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,244 sqft Living Area
1st Floor Area	945 sqft
Basement Area	709 sqft
Flooring	Vinyl/Resilient
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1920
Exterior Material	Vinyl
Construction Type	Frame
Foundation Type	Block
Roof Type	Hip
Roof Material	Metal
Lot Area	10,650 sqft (0.244 acres)
Lot Dimensions	142 ft deep x 75 ft wide
Garage Type	Detached
Garage Area	240 sqft
Parking Spaces	1 Parking Space
Porch	Open Porch
Porch Area	72 sqft

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	407 4TH AVE
City	KEYSTONE
State	IA
Zip	52249-9510
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	F HAMANNS 2ND ADD LOT 1 & N 1/2 LOT 2 BLK 3
Legal Subdivision	HAMMANS
Legal Block	3
Legal Lot Number	1,2
Jurisdiction	BENTON IA
Township / Civil Division	KANE
Census Block Group	3
Census Block	3042
Census Tract	960600

Owner

Source: Benton County records · APN 09014100

Assessment roll updated May 1, 2025 · Last verified October 2025

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

Owner of Record	Individual Name on File
Mailing Address	407 4TH AVE, KEYSTONE, IA 52249-9510
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Oct 11, 2010 · Amount on Record
Deed Sale	Oct 11, 2010 · Amount on Record
Deed Document Number	0000103956
Deed Book / Page	10 / 3956
Record Updated	Jun 08, 2026

Tax Assessment & Valuation

Source: Benton County records · Assessment roll updated May 1, 2025 · Last verified October 2025

Property Jurisdictions

Type	Name
State	Iowa
County	Benton County
Municipality	Keystone City
Unified School District	Benton Community School District (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$135,200 (+1.35%) Land $22,600 Building $112,600	$135,200 (+1.35%) Land $22,600 Building $112,600
2024	$1,476.00 (+19.81%)
2023		$133,400 (+32.47%) Land $23,000 Building $110,400	$133,400 (+32.47%) Land $23,000 Building $110,400
2022	$1,232.00 Homeowner's exemption	$100,700 Land $18,400 Building $82,300
2021			$100,700 Land $18,400 Building $82,300

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of September 22, 2023 · 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

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

Values are read at the parcel center point; 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)
Verizon Fixed Wireless	300 / 20
Starlink Satellite	280 / 30
Keystone Farmers Cooperative Telephone Company Fiber	250 / 250
LTD Broadband Fixed Wireless	150 / 130
T-Mobile USA Fixed Wireless	100 / 20

Based on FCC filings for 212 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	KEYSTONE WATER SUPPLY serves 599 people
Water Source	Groundwater
Last State Inspection	Mar 2026
Lead	6 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	Treatment failure resolved · May 2021 Nitrite resolved · Apr 2021
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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 service area is an EPA estimate; the actual supplier may differ. The full violation and enforcement history is in the system's EPA record.