1. Home
  2. Montana
  3. Cascade County
  4. Great Falls
  5. 20th Ave S

1821 20th Ave S, Great Falls, MT 59405 Property Records

Cascade County property record for 1821 20th Ave S, Great Falls, MT 59405

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 850 sqft · built 1980
Lot Size0.072 acres (3,136 sqft)
OwnerIndividual Name on File
Last Sale$121,700 (May 2020)
Tax Bill$1,062 (2026)
Deeds & MortgagesMay 2020 Sale
Mar 2019 Foreclosure
Flood ZoneZone X (minimal risk)
APNR0225635

Property Details

APN / Parcel Number

Primary APNR0225635
Alternative APNs
  • 02-3016-18-3-33-11-0000
  • 0001288900
  • 01288900

Interior

Bedrooms3 Beds
Full Baths2 Baths
Plumbing Fixtures9 Plumbing Fixtures
Total Rooms6 Rooms
Stories1 Story
Building Area850 sqft Living Area
1st Floor Area850 sqft
Basement Area800 sqft
Finished Basement800 sqft
Family RoomFamily Room
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1980
Effective Year BuiltEffective 1985
Architectural StyleBi-Level
Exterior MaterialWood
Construction TypeFrame
Roof TypeGable
Roof MaterialAsphalt
Lot Area3,136 sqft (0.072 acres)
TerrainAbove Road/Slope
PorchSlab
Porch Area120 sqft
Deck Area120 sqft

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating FuelElectric
SewerMunicipal
Water SourceCommercial

Location & Zoning

Account Number0001288900
Street Address1821 20TH AVE S
CityGREAT FALLS
StateMT
Zip59405-6152
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning Code6
Legal DescriptionPROSPECT PARK ADDITION, S18, T20 N, R04 E, BLOCK 028, LOT 018
Legal Range04E
Legal Township20N
Legal Section18
Legal SubdivisionPROSPECT PARK
Legal Block28
Legal Lot Number18
JurisdictionCASCADE MT
Township / Civil DivisionGREAT FALLS
Census Block Group2
Census Block2019
Census Tract2202

Owner

1821 20th Ave S is owned by an individual who bought it in May 2020.

Source: Cascade County records, as of September 3, 2026

Owner of RecordIndividual Name on File
Mailing Address1825 20TH AVE S, GREAT FALLS, MT 59405-6152
Owner TypeIndividual

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
May 20, 2020Grant Deed, Transfer
ATTORNEY ONLY
Mar 15, 2019Grant Deed, Foreclosure
ATTORNEY ONLY

Assessor's Deed Record

Deed NamesName on Deed
Last SaleMay 20, 2020 · Amount on File
Deed SaleMay 20, 2020 · Amount on File
Prior SaleMar 15, 2019
Deed Document Number2020388125
Record UpdatedOct 29, 2026

May 2020: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCASCADE MT
Recording DateMay 20, 2020
Property Address1821 20TH AVE S, GREAT FALLS, MT 59405-6152
Document Number0000388125
Instrument DateMay 14, 2020
Instrument388125
Transaction TypeTransfer
Record UpdatedJul 2, 2020
Title CompanyATTORNEY ONLY

Transaction

AmountAmount on Record
Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address1825 20TH AVE S GREAT FALLS MT 594056152, GREAT FALLS, MT 59405-6152

March 2019: Grant Deed, Foreclosure

Document TypeGrant Deed
JurisdictionCASCADE MT
Recording DateMar 15, 2019
Property Address1821 20TH AVE S, GREAT FALLS, MT 59405-6152
Document Number0000368038
Instrument DateMar 12, 2019
Instrument368038
Transaction TypeForeclosure
Record UpdatedApr 1, 2019
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
InvestorPossibly a Property Investor

Tax Assessment & Valuation

The 2026 property tax bill for 1821 20th Ave S was $1,062, down 1% from the year before.

Source: Cascade County assessment roll, as of September 3, 2026

Property Jurisdictions

TypeName
StateMontana
CountyCascade County
MunicipalityGreat Falls City
Elementary School DistrictGreat Falls Elementary School District (PK - 08)
Secondary School DistrictGreat Falls High School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$1,062.00 (-1%)$177,600 (-)
2025$1,180.00$177,600$177,600 Land $37,625 Building $139,975
2023$1,627.00$159,800$159,800 Land $31,250 Building $128,550

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

Flood

FEMA maps place 1821 20th Ave S in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective November 16, 2022

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

The area around 1821 20th Ave S has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire RiskNot rated
no burnable land within 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 SystemCITY OF GREAT FALLS
serves 60,000 people · EPA ID MT0000525
Water SourceSurface water
Last State InspectionApr 2025
Lead12 ppb (2026)
action level 15 ppb

Violations Reported to EPA

Water QualityHaloacetic acids
resolved · Apr 2019
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 336 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Spectrum
Cable · Fiber in parts of the area		1,000 / 1,000

May also be available: Verizon.

Nearby Properties on 20th Ave S

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures