21st Ave NW, Sidney, MT Property Records

Richland County property records for 20 addresses on 21st Ave NW, Sidney, MT · Last verified November 2025

21st Ave NW Highlights

Properties 20
Average Living Area 1,183 sq ft
Owner Occupied 60%
Median Annual Tax Bill $216
Median Year Built 2011

Properties on 21st Ave NW

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

303 21st Ave NW

3 bd · 2 ba · 1,680 sqft · built 1988

Last Sale Tax Bill Prior Sale Owner Records
$872025 1 Name on Record Owner Occupied AssessorUpdated Nov 2025

307 21st Ave NW

3 bd · 2 ba · 1,216 sqft · built 2012

Last Sale Tax Bill Prior Sale Owner Records
$2362025 1 Name on Record AssessorUpdated Oct 2025

309 21st Ave NW

3 bd · 2 ba · 1,216 sqft · built 2012

Last Sale Tax Bill Prior Sale Owner Records
$2162025 1 Name on Record Owner Occupied AssessorUpdated Nov 2025

311 21st Ave NW, #10

3 bd · 2 ba · 1,184 sqft · built 1984

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record Owner Occupied AssessorUpdated Oct 2025

313 21st Ave NW

2 bd · 2 ba · 784 sqft · built 2015

Last Sale Tax Bill Prior Sale Owner Records
$1652025 2 Names on Record AssessorUpdated Oct 2025

315 21st Ave NW

3 bd · 2 ba · 1,216 sqft · built 2012

Last Sale Tax Bill Prior Sale Owner Records
$2412025 1 Name on Record AssessorUpdated Oct 2025

316 21st Ave NW, #11

4 bd · 2 ba · 1,216 sqft · built 2012

Last Sale Tax Bill Prior Sale Owner Records
$2462025 1 Name on Record AssessorUpdated Nov 2025

320 21st Ave NW

3 bd · 2 ba · 1,216 sqft · built 2011

Last Sale Tax Bill Prior Sale Owner Records
$2362025 1 Name on Record Owner Occupied AssessorUpdated Oct 2025

324 21st Ave NW

3 bd · 2 ba · 1,216 sqft · built 2013

Last Sale Tax Bill Prior Sale Owner Records
$2412025 1 Name on Record Owner Occupied AssessorUpdated Nov 2025

326 21st Ave NW

3 bd · 2 ba · 1,858 sqft · built 1980

Last Sale Tax Bill Prior Sale Owner Records
$812025 1 Name on Record Owner Occupied AssessorUpdated Oct 2025

327 21st Ave NW

1 bd · 1 ba · 600 sqft · built 1971

Last Sale Tax Bill Prior Sale Owner Records
$102025 1 Name on Record AssessorUpdated Oct 2025

329 21st Ave NW

3 bd · 1 ba · 1,216 sqft · built 1973

Last Sale Tax Bill Prior Sale Owner Records
$152025 2 Names on Record Owner Occupied AssessorUpdated Nov 2025

333 21st Ave NW

3 bd · 1 ba · 910 sqft · built 1982

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record Owner Occupied AssessorUpdated Oct 2025

334 21st Ave NW

1 bd · 1 ba · 720 sqft · built 1998

Last Sale Tax Bill Prior Sale Owner Records
$892025 2 Names on Record Owner Occupied AssessorUpdated Oct 2025

335 21st Ave NW

3 bd · 2 ba · 1,056 sqft · built 2015

Last Sale Tax Bill Prior Sale Owner Records
$2172025 2 Names on Record AssessorUpdated Nov 2025

338 21st Ave NW

2 bd · 1 ba · 858 sqft · built 1976

Last Sale Tax Bill Prior Sale Owner Records
2 Names on Record Owner Occupied AssessorUpdated Oct 2025

343 21st Ave NW

3 bd · 2 ba · 2,128 sqft · built 2012

Last Sale Tax Bill Prior Sale Owner Records
$3632025 2 Names on Record AssessorUpdated Nov 2025

344 21st Ave NW, #35

3 bd · 2 ba · 1,216 sqft · built 1980

Last Sale Tax Bill Prior Sale Owner Records
$522025 1 Name on Record Owner Occupied AssessorUpdated Nov 2025

345 21st Ave NW

3 bd · 1 ba · 938 sqft · built 1973

Last Sale Tax Bill Prior Sale Owner Records
$32025 1 Name on Record Owner Occupied AssessorUpdated Oct 2025

347 21st Ave NW

2 bd · 2 ba · 1,216 sqft · built 2013

Last Sale Tax Bill Prior Sale Owner Records
$2182025 2 Names on Record AssessorUpdated Nov 2025

Wildfire Risk on 21st Ave NW

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

Wildfire RiskLow
this street's cells rank above 29% of the US · above 12% of Montana
Wildfire LikelihoodAbout 1 in 2,752 per year
ExposureDirect
2 of 3 cells directly exposed · 2 adjoin burnable vegetation

Property Records in Nearby Streets