Lewis And Clark County property record for 628 Dearborn Ave, Helena, MT 59601
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 4.5 ba · 4,294 sqft · built 1908 |
| Lot Size | 0.267 acres (11,631 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $9,619 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | R054856 |
| Primary APN | R054856 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 13 Rooms |
| Stories | 2 Stories |
| Building Area | 4,294 sqft Living Area |
| 1st Floor Area | 1,691 sqft |
| 2nd Floor Area | 1,694 sqft |
| Attic | Attic |
| Attic Area | 909 sqft |
| Basement Area | 1,653 sqft |
| Finished Basement | 1,653 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1908 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Traditional |
| Exterior Material | Brick |
| Construction Type | Masonry / Concrete Block |
| Roof Type | Hip |
| Roof Material | Wood Shingle |
| Lot Area | 11,631 sqft (0.267 acres) |
| Garage Type | Detached |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 60 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0000003454 |
|---|---|
| Street Address | 628 DEARBORN AVE |
| City | HELENA |
| State | MT |
| Zip | 59601-2765 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 1 |
| Legal Description | STOREY, S25, T10 N, R04 W, BLOCK 20, LOT 2, N27.5', ALL OF LT 3 |
| Legal Range | 04W |
| Legal Township | 10N |
| Legal Section | 25 |
| Legal Subdivision | STOREY |
| Legal Block | 20 |
| Legal Lot Number | 2,3 |
| Jurisdiction | LEWIS AND CLARK MT |
| Township / Civil Division | HELENA |
| Census Block Group | 2 |
| Census Block | 2014 |
| Census Tract | 800 |
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.
628 Dearborn Ave is owner-occupied and held in a trust since July 2022.
Source: Lewis And Clark County records, as of September 11, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 628 DEARBORN AVE, HELENA, MT 59601-2765 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 15, 2022 |
| Deed Sale | Jul 15, 2022 |
| Deed Document Number | 20223400839 |
| Deed Book / Page | 61 / 2680 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 628 Dearborn Ave was $9,619.
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 | $9,619.00 | $1,314,900 | |
| 2025 | $1,314,900 Land $221,856 Building $1,093,044 | ||
| 2023 | $10,117.00 | $928,200 | $928,200 Land $184,069 Building $744,131 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 628 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 risk around 628 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.
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.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures