20439 Diagonal St, Sherrill, IA 52073 Property Records

Dubuque County property record for 20439 Diagonal St, Sherrill, IA 52073

Property Summary

Property TypeCommercial
Lot Size4.55 acres (198,198 sqft)
OwnerIndividual Name on Record
Flood ZoneZone X (minimal risk)
APN05-30-226-013

Property Details

APN / Parcel Number

Primary APN05-30-226-013

Exterior

Lot Area198,198 sqft (4.55 acres)

Location & Zoning

Street Address20439 DIAGONAL ST
CitySHERRILL
StateIA
Zip52073-9719
Property CategoryCommercial
Property TypeCommercial > Retail
Legal DescriptionLOT 2 MEMORIAL SUB;
Legal SubdivisionMEMORIAL SUB
Legal Lot Number2
JurisdictionDUBUQUE IA
Township / Civil DivisionJEFFERSON
Census Block Group3
Census Block3053
Census Tract10600

Owner

Source: Dubuque County records, as of October 6, 2025

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

Owner of RecordIndividual Name on Record
Mailing Address20026 SAINT JOSEPHS DR, DURANGO, IA 52039-9755
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Record UpdatedJun 8, 2026

Tax Assessment & Valuation

Source: Dubuque County assessment roll, as of May 1, 2025

Property Jurisdictions

TypeName
StateIowa
CountyDubuque County
MunicipalityRickardsville City
Unified School DistrictWestern Dubuque County Community School District (PK - 12)

Tax Bill & Assessment History

YearAssessed ValueAssessed Market Value
2025$89,100 (+6.58%) Land $56,300 Building $32,800$89,100 (+6.58%) Land $56,300 Building $32,800
2023$83,600$83,600

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 9, 2021

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 LikelihoodUnder 0.01% annual chance
ExposureDirect
burnable vegetation

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

Internet Providers

Source: FCC Broadband Data Collection, based on 37 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Starlink
Satellite
280 / 30
Comelec Internet Services
Fixed Wireless
250 / 50
T-Mobile
Fixed Wireless
100 / 20
Nextlink
Fixed Wireless
100 / 20

May also be available: Maquoketa Valley Electric Cooperative.

Nearby Properties on Diagonal St

Nearby Streets

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