Lewis And Clark County property record for 340 Obsidian Ave, Helena, MT 59602
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 1,682 sqft · built 2016 |
| Lot Size | 0.238 acres (10,367 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $440,000 (Jun 2016) |
| Tax Bill | $3,780 (2026) |
| Deeds & Mortgages | Aug 2021 Line of Credit Aug 2019 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | R633917 |
| Primary APN | R633917 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Stories | 1 Story |
| Building Area | 1,682 sqft Living Area |
| 1st Floor Area | 1,250 sqft |
| Attic | Attic |
| Attic Area | 432 sqft |
| Basement Area | 937 sqft |
| Finished Basement | 937 sqft |
| Year Built | Built 2016 |
|---|---|
| Effective Year Built | Effective 2016 |
| Architectural Style | Conventional |
| Exterior Material | Wood |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 10,367 sqft (0.238 acres) |
| Garage Area | 528 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Slab |
| Porch Area | 348 sqft |
| Deck Area | 336 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0000045124 |
|---|---|
| Street Address | 340 OBSIDIAN AVE |
| City | HELENA |
| State | MT |
| Zip | 59602-8667 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | STONE MEADOWS SUBD, S13, T10 N, R04 W, BLOCK 11, LOT 7, PER COS #3160896 |
| Legal Range | 04W |
| Legal Township | 10N |
| Legal Section | 13 |
| Legal Subdivision | STONE MEADOWS SUBD |
| Legal Block | 11 |
| Legal Lot Number | 7 |
| Jurisdiction | LEWIS AND CLARK MT |
| Township / Civil Division | HELENA |
| Census Block Group | 2 |
| Census Block | 2025 |
| Census Tract | 503 |
Source: Lewis And Clark County records, as of September 11, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 340 OBSIDIAN AVE, HELENA, MT 59602-8667 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Aug 18, 2021 | Deed of Trust, Mortgage · Line of Credit ROCKY MOUNTAIN CU |
| Aug 12, 2019 | Deed of Trust, Mortgage · Line of Credit MONTANA BUSINESS ASSISTANCE CONNECTION I |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 6, 2016 · Amount on File |
| Deed Sale | Jun 6, 2016 · Amount on File |
| Prior Sale | Feb 29, 2016 |
| Deed Document Number | 20163290327 |
| Deed Book / Page | 51 / 4391 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LEWIS AND CLARK MT |
| Property Address | 340 OBSIDIAN AVE, HELENA, MT 59602-8667 |
| Transaction Type | Mortgage |
| Record Updated | Sep 2, 2021 |
| Title Company | FIRST MONTANA TITLE, FIRST MONTANA LAND TITLE |
| Name | Verified Name |
|---|
| Document Number | M59/7479 |
|---|---|
| Date | Aug 18, 2021 |
| Book Page | M59/7479 |
| Instrument | 3384180 |
| Name | ROCKY MOUNTAIN CU |
|---|---|
| Type | Credit Union |
| Address | BOZEMAN, MT 59718 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 120 Months |
| Due | Aug 28, 2031 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LEWIS AND CLARK MT |
| Property Address | 340 OBSIDIAN AVE, HELENA, MT 59602-8667 |
| Transaction Type | Mortgage |
| Record Updated | Aug 12, 2021 |
| Name | Verified Name |
|---|
| Document Number | M55/8534 |
|---|---|
| Date | Aug 12, 2019 |
| Book Page | M55/8534 |
| Instrument | 3340942 |
| Name | MONTANA BUSINESS ASSISTANCE CONNECTION I |
|---|---|
| Type | Non-Lending Institution |
| Address | HELENA, MT 59601 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 119 Months |
| Due | Jul 15, 2029 |
Source: Lewis And Clark County assessment roll, as of September 11, 2026
| 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 |
|---|---|---|---|
| 2026 | $3,780.00 (-33.25%) | $595,000 (+15.33%) | |
| 2025 | $595,000 (+15.33%) Land $128,532 Building $466,468 | ||
| 2023 | $5,663.00 | $515,900 | $515,900 Land $110,106 Building $405,794 |
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 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 11 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 11 in force |
| Nearby Flood Claims | 3 (2018) |
| Most Recent Claim | Jun 2018 · river or lake flooding |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
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.
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 149 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| TDS Telecom Fiber | 8,000 / 8,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Montana Internet.
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