817 Dearborn Ave, Helena, MT 59601 Property Records

Lewis And Clark County property record for 817 Dearborn Ave, Helena, MT 59601

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,554 sqft · built 1890
Lot Size	0.172 acres (7,492 sqft)
Owner	2 Individual Names on File
Last Sale	$563,920 (Aug 2023)
Tax Bill	$3,251 (2026)
Deeds & Mortgages	Dec 2025 Mortgage Aug 2023 Mortgage + 4 more
Flood Zone	Zone X (minimal risk)
APN	`R057391`

Property Details

APN / Parcel Number

Primary APN	`R057391`
Alternative APNs	`05-1887-25-1-17-09-0000` `0000005435`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,554 sqft Living Area
1st Floor Area	1,006 sqft

Exterior

Year Built	Built 1890
Effective Year Built	Effective 1980
Architectural Style	Historical
Exterior Material	Stucco
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	7,492 sqft (0.172 acres)

Exterior Amenities

Porch	Slab
Porch Area	128 sqft
Shed	1 Shed
Shed Area	70 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	0000005435
Street Address	817 DEARBORN AVE
City	HELENA
State	MT
Zip	59601-2755
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	1
Legal Description	HAUSER ADDN, S25, T10 N, R04 W, BLOCK 2, LOT 9
Legal Range	04W
Legal Township	10N
Legal Section	25
Legal Subdivision	HAUSER ADDN
Legal Block	2
Legal Lot Number	9
Jurisdiction	LEWIS AND CLARK MT
Township / Civil Division	HELENA
Census Block Group	2
Census Block	2005
Census Tract	800

Owner

817 Dearborn Ave is owned and occupied by two individuals who bought it in August 2023.

Source: Lewis And Clark County records, as of September 11, 2026

Owner of Record	2 Individual Names on File
Mailing Address	817 DEARBORN AVE, HELENA, MT 59601-2755
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Et Al (and Others)

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

Date	Document
Dec 5, 2025	Deed of Trust, Mortgage · Conventional Mortgage PRIMELENDING
Aug 31, 2023	Warranty Deed, Transfer · Conventional Mortgage MANN MORTGAGE LLC
Sep 6, 2022	Deed of Trust, Mortgage · Line of Credit FIRST INTERSTATE BANK
Aug 25, 2021	Deed of Trust, Mortgage · Line of Credit FIRST INTERSTATE BANK
Apr 8, 2020	Deed of Trust, Mortgage · Conventional Mortgage FIRST INTERSTATE BANK
Mar 10, 2017	Warranty Deed, Transfer · Conventional Mortgage FIRST INTERSTATE BANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 31, 2023 · Amount on File
Deed Sale	Aug 31, 2023 · Amount on File
Prior Sale	Mar 10, 2017 · Amount on File
Deed Document Number	20233415257
Deed Book / Page	62 / 4835
Prior Transfer Date	Apr 22, 2013
Prior Transfer Doc	M46/9534
Record Updated	Oct 29, 2026

December 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LEWIS AND CLARK MT
Property Address	817 DEARBORN AVE, HELENA, MT 59601-2755
Transaction Type	Mortgage
Record Updated	Dec 22, 2025
Title Company	ALLEN ABSTRACT AND TITLE COMPANY, HELENA ABSTRACT & TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	817 DEARBORN AVE, HELENA, MT 59601-2755

Mortgage

Document Number	00M64/8681
Date	Dec 5, 2025
Book Page	M64/8681
Instrument	3444157

Lender

Name	PRIMELENDING
Type	Mortgage Company
Address	DALLAS, TX 75252

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	241 Months
Due	Jan 1, 2046

August 2023: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	LEWIS AND CLARK MT
Recording Date	Aug 31, 2023
Property Address	817 DEARBORN AVE, HELENA, MT 59601-2755
Document Number	00M62/4835
Book / Page	M62 / 4835
Instrument Date	Aug 31, 2023
Instrument	3415257
Transaction Type	Transfer
Record Updated	Sep 15, 2023
Title Company	NOT AVAILABLE, FLYING S T&E OF MT INC

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	817 DEARBORN AVE, HELENA, MT 59601-2755

Mortgage

Document Number	0003415258
Date	Aug 31, 2023
Instrument	3415258

Lender

Name	MANN MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Sep 1, 2053

September 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LEWIS AND CLARK MT
Property Address	817 DEARBORN AVE, HELENA, MT 59601-2755
Transaction Type	Mortgage
Record Updated	Sep 21, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	00M61/4649
Date	Sep 6, 2022
Book Page	M61/4649
Instrument	3403374

Lender

Name	FIRST INTERSTATE BANK
Type	Bank
Address	HELENA, MT 59604

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	359 Months
Due	Aug 30, 2052

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

August 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LEWIS AND CLARK MT
Property Address	817 DEARBORN AVE, HELENA, MT 59601-2755
Transaction Type	Mortgage
Record Updated	Sep 8, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	817 DEARBORN AVE, HELENA, MT 59601-2755

Mortgage

Document Number	M59/7825
Date	Aug 25, 2021
Book Page	M59/7825
Instrument	3384592

Lender

Name	FIRST INTERSTATE BANK
Type	Bank
Address	HELENA, MT 59604

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Aug 19, 2051

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LEWIS AND CLARK MT
Property Address	817 DEARBORN AVE, HELENA, MT 59601-2755
Transaction Type	Mortgage
Record Updated	Apr 30, 2020
Title Company	FIRST MONTANA LAND TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	M56/8940
Date	Apr 8, 2020
Book Page	M56/8940
Instrument	3352846

Lender

Name	FIRST INTERSTATE BANK
Type	Bank
Address	HELENA, MT 59601

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	181 Months
Due	May 1, 2035

March 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	LEWIS AND CLARK MT
Recording Date	Mar 10, 2017
Property Address	817 DEARBORN AVE, HELENA, MT 59601-2755
Document Number	M52/5441
Book / Page	M52 / 5441
Instrument Date	Mar 9, 2017
Instrument	3302704
Transaction Type	Transfer
Record Updated	Aug 12, 2021
Title Company	ALLEN ABSTRACT AND TITLE COMPANY, HELENA ABSTRACT & TITLE CO

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants

Mortgage

Document Number	3302705
Date	Mar 10, 2017
Instrument	3302705

Lender

Name	FIRST INTERSTATE BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Apr 1, 2047

Tax Assessment & Valuation

The 2026 property tax bill for 817 Dearborn Ave was $3,251, up 6.7% from the year before.

Source: Lewis And Clark County assessment roll, as of September 11, 2026

Property Jurisdictions

Type	Name
State	Montana
County	Lewis And Clark County
Municipality	Helena City
Elementary School District	Helena Elementary School District (PK - 08)
Secondary School District	Helena High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$3,251.00 (+6.66%)	$522,200 (-)
2025	$3,048.00	$522,200	$522,200 Land $182,875 Building $339,325
2023	$4,120.00	$378,100	$378,100 Land $133,125 Building $244,975

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

Flood

FEMA maps place 817 Dearborn Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective April 7, 2024

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 817 Dearborn Ave is low, with a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 80% of the US · lower than 93% of Montana
Wildfire Likelihood	0.01% annual chance
Exposure	Indirect 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 System	HELENA WATER SYSTEM serves 32,091 people · EPA ID MT0000241
Water Source	Surface water
Last State Inspection	Oct 2024
Lead	3 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids resolved · Jan 2023
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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 437 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
Montana Internet Fixed Wireless	500 / 50
Verizon Fixed Wireless	300 / 20
AT&T Fixed Wireless	100 / 20

May also be available: TDS Telecom.

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