Illinois Ave, Helena, MT Property Records

Lewis And Clark County property records for 8 addresses on Illinois Ave, Helena, MT · Last verified August 2026

Illinois Ave Highlights

Properties 8
Median Sale Price $195,510
Deeds and Mortgages on File 11
Median Price per Sqft $150
Owner Occupied 88%
Median Annual Tax Bill $4,754
Median Year Built 1971
Median Ownership Tenure 8 years

Properties on Illinois Ave

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

1417 Illinois Ave

3 bd · 2.5 ba · 1,008 sqft · built 1971 · 0.287 acres

Last Sale Tax Bill Prior Sale Owner Records
$173,600Sep 2005 $2,7222025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

1425 Illinois Ave

4 bd · 4.5 ba · 2,883 sqft · built 1975 · 0.373 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2022 $5,6972025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

1501 Illinois Ave

4 bd · 2 ba · 1,600 sqft · built 1975 · 0.287 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2020 $5,1382023 2 Names on Record Assessor + 3 DocumentsUpdated Apr 2024

1510 Illinois Ave

3 bd · 3 ba · 1,520 sqft · built 1964 · 0.328 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2006 $4,7542023 2 Names on Record Owner Occupied AssessorUpdated Aug 2023

1519 Illinois Ave

4 bd · 2 ba · 2,075 sqft · built 1976 · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$278,000May 2009 $3,7342025 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Apr 2026

1600 Illinois Ave

4 bd · 3 ba · 1,472 sqft · built 1967 · 0.237 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2005 $4,1752023 2 Names on Record Owner Occupied AssessorUpdated Aug 2023

1601 Illinois Ave

4 bd · 2 ba · 1,298 sqft · built 1969 · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$195,510Dec 2021 $2,6332025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

1617 Illinois Ave

5 bd · 3 ba · 1,742 sqft · built 1970 · 0.316 acres

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2018 $5,6302023 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2023

Wildfire Risk on Illinois Ave

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire RiskLow
this street's cells rank above 38% of the US · above 16% of Montana
Wildfire LikelihoodAbout 1 in 2,564 per year
ExposureIndirect
0 of 2 cells directly exposed

Property Records in Nearby Streets