Lewis And Clark County property record for 3520 Grey Rock Rd, Helena, MT 59602
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 1,107 sqft · built 2010 |
| Lot Size | 1.32 acres (57,499 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $205,000 (Oct 2010) |
| Tax Bill | $1,391 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | R631185 |
| Primary APN | R631185 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 9 Plumbing Fixtures |
| Stories | 1 Story |
| Building Area | 1,107 sqft Living Area |
| 1st Floor Area | 1,107 sqft |
| Year Built | Built 2010 |
|---|---|
| Effective Year Built | Effective 2010 |
| Architectural Style | Ranch |
| Exterior Material | Wood |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 57,499 sqft (1.32 acres) |
| Garage Area | 352 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Slab |
| Porch Area | 84 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Septic |
| Water Source | Well |
| Account Number | 0000045219 |
|---|---|
| Street Address | 3520 GREY ROCK RD |
| City | HELENA |
| State | MT |
| Zip | 59602-6098 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | WHITEROCK MINOR SUBD, S18, T10 N, R02 W, LOT A5-1, COS #3169665 |
| Legal Range | 02W |
| Legal Township | 10N |
| Legal Section | 18 |
| Legal Subdivision | WHITEROCK MINOR SUBD |
| Legal Lot Number | A5-1 |
| Jurisdiction | LEWIS AND CLARK MT |
| Township / Civil Division | HELENA |
| Census Block Group | 3 |
| Census Block | 3047 |
| Census Tract | 1202 |
Source: Lewis And Clark County records, as of September 11, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 3520 GREY ROCK RD, HELENA, MT 59602-6098 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 22, 2010 · Amount on Record |
| Deed Sale | Oct 22, 2010 · Amount on Record |
| Prior Sale | Apr 2, 2010 · Amount on Record |
| Deed Document Number | 20103195027 |
| Deed Book / Page | 42 / 7204 |
| Record Updated | Oct 29, 2026 |
Source: Lewis And Clark County assessment roll, as of September 11, 2026
| Type | Name |
|---|---|
| State | Montana |
| County | Lewis And Clark County |
| 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 | $1,391.00 (-21.94%) Homeowner's exemption | $390,200 (+11.9%) | |
| 2025 | $390,200 (+11.9%) Land $112,889 Building $277,311 | ||
| 2023 | $1,782.00 | $348,700 | $348,700 Land $75,616 Building $273,084 |
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 |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 1 (1978) |
| Most Recent Claim | Mar 1978 · rainfall accumulation |
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 64% of the US · lower than 87% of Montana |
|---|---|
| Wildfire Likelihood | 0.04% annual chance |
| Exposure | Direct burnable vegetation |
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 | HOMESTEAD VALLEY WUA HVHA private · serves 105 people · EPA ID MT0003251 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Apr 2026 |
| Lead | 2 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 47 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 35 |
| Verizon Fixed Wireless | 300 / 20 |
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