904 Diagonal Ave, Armstrong, IA 50514 Property Records

Emmet County property record for 904 Diagonal Ave, Armstrong, IA 50514

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 1,300 sqft · built 1950
Lot Size0.227 acres (9,870 sqft)
Owner2 Individual Names on File
Last Sale$75,000 (Aug 2026)
Tax Bill$1,782 (2026)
Deeds & MortgagesAug 2026 Sale & Mortgage
Sep 2022 Mortgage
Flood ZoneZone X (minimal risk)
APN0814186019

Property Details

APN / Parcel Number

Primary APN0814186019

Interior

Bedrooms3 Beds
Full Baths1 Bath
Total Rooms6 Rooms
Stories1 Story
Building Area1,300 sqft Living Area
1st Floor Area1,300 sqft
FlooringCarpet
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1950
Effective Year BuiltEffective 1950
Architectural StyleRanch
Exterior MaterialConcrete Block
Construction TypeConcrete Block
Foundation TypeBlock
Roof TypeGable
Roof MaterialAsbestos
Lot Area9,870 sqft (0.227 acres)
Garage TypeAttached
Garage Area728 sqft
Parking Spaces3 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemHVAC

Location & Zoning

Street Address904 DIAGONAL AVE
CityARMSTRONG
StateIA
Zip50514-7722
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionW 1/2 OL 9 EXC N 390' FIRST ADDN
Legal SubdivisionFIRST ADDN ARMSTRONG
JurisdictionEMMET IA
Township / Civil DivisionARMSTRONG GROVE
Census Block Group2
Census Block2072
Census Tract70100

Owner

904 Diagonal Ave is owned by two individuals who bought it in August 2026.

Source: Emmet County records, as of October 20, 2026

Owner of Record2 Individual Names on File
Mailing Address515 N 7TH ST, ESTHERVILLE, IA 51334-1633
Owner TypeIndividual
VestingHusband and Wife

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

DateDocument
Aug 10, 2026Warranty Deed, Subdivision Related Transfer · Conventional Mortgage
NORTHWEST BANK
Sep 6, 2022Deed of Trust, Mortgage · Commercial Mortgage
FIRST STATE BANK NEBRASKA

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleAug 10, 2026 · Amount on File
Deed SaleAug 10, 2026 · Amount on File
Deed Document Number2026975
Record UpdatedOct 29, 2026

August 2026: Warranty Deed, Subdivision Related Transfer

Document TypeWarranty Deed
JurisdictionEMMET IA
Recording DateAug 10, 2026
Property Address904 DIAGONAL AVE, ARMSTRONG, IA 50514
Document Number0000000975
Instrument DateAug 3, 2026
Instrument2026975
Transaction TypeSubdivision Related Transfer
Record UpdatedSep 17, 2026
Title CompanyNONE LISTED ON DOCUMENT

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$12,039.20
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address515 N 7TH ST, ESTHERVILLE, IA 51334-1633

Mortgage

Document Number0000000976,
DateAug 10, 2026
Instrument2026976
Lender
NameNORTHWEST BANK
Agreement
TypeConventional Mortgage
AmountAmount on Record
Interest
Max Rate-1%

September 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionEMMET IA
Property Address904 DIAGONAL AVE, ARMSTRONG, IA 50514
Transaction TypeMortgage
Record UpdatedNov 9, 2022

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0202201310
DateSep 6, 2022
Instrument2022-01310
Lender
NameFIRST STATE BANK NEBRASKA
TypeBank
Agreement
TypeCommercial Mortgage
AmountAmount on Record
Term60 Months
DueSep 1, 2027
Interest
Rate TypeFixed Rate

Tax Assessment & Valuation

The 2026 property tax bill for 904 Diagonal Ave was $1,782, up 4.3% from the year before.

Source: Emmet County assessment roll, as of October 7, 2025

Property Jurisdictions

TypeName
StateIowa
MunicipalityArmstrong City
CountyEmmet County
Unified School DistrictNorth Union Community School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$1,782.00 (+4.33%)$115,100 (-) Land $14,100 Building $101,000$115,100 (-) Land $14,100 Building $101,000
2025$1,708.00$115,100 Land $14,100 Building $101,000$115,100 Land $14,100 Building $101,000
2024$1,708.00
2023$110,600 (+55.77%) Land $14,100 Building $96,500$110,600 Land $14,100 Building $96,500
2022$1,266.00$71,000 Land $14,100 Building $56,900
2021$71,000 Land $14,100 Building $56,900

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

Flood

FEMA maps place 904 Diagonal Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective September 23, 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

Wildfire risk around 904 Diagonal Ave is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire RiskLow
lower than 99.1% of the US · lower than 91% of Iowa
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond ember reach

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 SystemARMSTRONG WATER SUPPLY
serves 918 people · EPA ID IA3203066
Water SourceGroundwater
Last State InspectionMar 2026
Lead1 ppb (2023–2025)
action level 15 ppb
Copper1.4 mg/L (2018)
action level 1.3 mg/L

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting4
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 165 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Windstream
Fiber · DSL in parts of the area
2,000 / 2,000
Independent Networks
Fiber
1,000 / 1,000
GigFire
Fixed Wireless
150 / 130
T-Mobile
Fixed Wireless
100 / 20

May also be available: Nextlink.

Nearby Properties on Diagonal Ave

Nearby Streets

Search Property Records by Address or Parcel Number