Lewis And Clark County property record for 642 Monroe Ave, Helena, MT 59601
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,509 sqft · built 1939 |
| Lot Size | 0.171 acres (7,492 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $4,172 (2023) |
| Deeds & Mortgages | Jan 2019 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | R057309 |
| Primary APN | R057309 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 2 Stories |
| Building Area | 1,509 sqft Living Area |
| 1st Floor Area | 862 sqft |
| Basement Area | 862 sqft |
| Year Built | Built 1939 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Historical |
| Exterior Material | Asbestos |
| Construction Type | Frame |
| Foundation Type | Concrete |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 7,492 sqft (0.171 acres) |
| Garage Type | Detached |
| Parking Spaces | 1 Parking Space |
| Porch | Enclosed Porch |
| Porch Area | 131 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0000005369 |
|---|---|
| Street Address | 642 MONROE AVE |
| City | HELENA |
| State | MT |
| Zip | 59601-2664 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MAULDIN ADDN, S25, T10 N, R04 W, BLOCK R, LOT 1 - 2, S2 |
| Legal Subdivision | MAULDIN ADDN |
| Legal Block | R |
| Legal Lot Number | 1,2 |
| Jurisdiction | LEWIS AND CLARK MT |
| Township / Civil Division | HELENA |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 702 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Helena Historic District listed 1972 · 75 contributing resources · NRIS 72000737 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: Lewis And Clark County records, as of August 9, 2023
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Co-owner | Co-owner on Record |
| Mailing Address | 3436 MT HIGHWAY 284, TOWNSEND, MT 59644-9623 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Jun 7, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LEWIS AND CLARK MT |
| Property Address | 642 MONROE AVE, HELENA, MT 59601-2664 |
| Transaction Type | Mortgage |
| Record Updated | Jan 14, 2019 |
| Title Company | FIRST MONTANA LAND TITLE |
| Name | Verified Name |
|---|
| Document Number | M55/0782 |
|---|---|
| Date | Jan 2, 2019 |
| Book Page | M55/0782 |
| Instrument | 3332091 |
| Name | OPPORTUNITY BANK OF MT |
|---|---|
| Type | Bank |
| Address | 49604 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
Source: Lewis And Clark County assessment roll, as of December 31, 2022
| 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) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2023 | $4,172.00 | $382,800 | $382,800 Land $133,125 Building $249,675 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 62% of the US · lower than 85% of Montana |
|---|---|
| Wildfire Likelihood | 0.04% annual chance |
| Exposure | Indirect within ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
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 |
| 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.
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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