305 Madison St, Diagonal, IA 50845 Property Records

Ringgold County property record for 305 Madison St, Diagonal, IA 50845

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 780 sqft · built 1959
Lot Size0.32 acres (14,000 sqft)
Owner2 Individual Names on Record
Last Sale$7,500 (Nov 2012)
Tax Bill$792 (2025)
Flood ZoneZone X (minimal risk)
APN002007

Property Details

APN / Parcel Number

Primary APN002007

Interior

Bedrooms3 Beds
Full Baths1 Bath
Stories1 Story
Building Area780 sqft Base Area
1st Floor Area780 sqft

Exterior

Year BuiltBuilt 1959
Effective Year BuiltEffective 1959
Construction TypeFrame
Roof MaterialAsphalt
Lot Area14,000 sqft (0.32 acres)
Lot Dimensions140 ft deep x 100 ft wide

Location & Zoning

Street Address305 MADISON ST
CityDIAGONAL
StateIA
Zip50845-1014
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionS 100' OF N 200' OF W 1/2 BLOCK 2 LOT 7 NW ADD
Legal SubdivisionNORTHWEST ADDITION
Legal Block2
Legal Lot Number7
JurisdictionRINGGOLD IA
Township / Civil DivisionWASHINGTON
Census Block Group2
Census Block2623
Census Tract950100

Owner

Source: Ringgold County records, as of September 1, 2026

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

Owner of Record2 Individual Names on Record
Mailing Address100 E 1ST ST, DIAGONAL, IA 50845-1026
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleNov 19, 2012 · Amount on Record
Deed SaleNov 19, 2012 · Amount on Record
Deed Document Number201200001430
Deed Book / Page385 / 209
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

Source: Ringgold County assessment roll, as of September 30, 2025

Property Jurisdictions

TypeName
StateIowa
CountyRinggold County
MunicipalityDiagonal City
Unified School DistrictDiagonal Community School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$792.00 (-15.47%)$44,003 (-4.32%) Land $5,100 Building $38,903$44,003 (-4.32%) Land $5,100 Building $38,903
2024$937.00 (+3.88%)
2023$45,988 (+16.95%) Land $5,100 Building $40,888$45,988 (+16.95%) Land $5,100 Building $40,888
2022$902.00$39,323 Land $5,100 Building $34,223
2021$39,323 Land $5,100 Building $34,223

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

Flood

Source: FEMA National Flood Hazard Layer, effective August 17, 2017

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

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

Wildfire RiskLow
lower than 93% of the US · above 40% of Iowa
Wildfire Likelihood0.03% annual chance
ExposureDirect
burnable vegetation

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 SystemDIAGONAL WATER DEPARTMENT
serves 338 people · EPA ID IA8018040
Water SourcePurchased surface water from SIRWA #2 (CRESTON)
Last State InspectionFeb 2025
Lead2 ppb (2020–2022)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting9
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. The service area is an EPA estimate; the actual supplier may differ.

Internet Providers

Source: FCC Broadband Data Collection, based on 133 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Nextlink
Fixed Wireless
1,000 / 1,000
Windstream
DSL
200 / 20
Lockridge Networks
Fixed Wireless
100 / 20

Cell Coverage

4G LTE only, no 5G reported

Nearby Properties on Madison St

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