Gallatin County, Montana
14 ZIP codes · Avg score 65/100 · Grade C
ZipCheckup grade for Gallatin County: C.
A mixed picture - some signals here are worth your attention.
A middle-tier grade covers Gallatin County's 14 ZIP codes; documented violations, where present, are worth reviewing system by system.
How Gallatin County Compares
How Gallatin County Compares
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData
ZIP Code Risk Map
Water Quality Map: Gallatin County, Montana
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 9.2 (asthma 10.7%, diabetes 6.7%)
Modeled additional annual cost estimate per homeowner: $544, largest modeled factor: Flood
30% of homes built before 1980 (lead paint was banned for residential use in 1978)
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINSA infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $544
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
55,438 housing units in Gallatin County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Gallatin County
Modeled remediation costs in Gallatin County can be compared with the median property value; actual costs vary by property.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Gallatin County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems mapped to Gallatin County ZIP codes
8 community water systems mapped to Gallatin County ZIP codes; EPA may list more systems serving the county.
- C
- C
- C
- C
- C
- C
Show all 8 water systems
- C
- C
11 water systems mapped to Gallatin County ZIP codes in our data; EPA may list more systems serving the county.
Systems with the most violations in Gallatin County
5 water systems with violations in EPA records.
- C
- C
- C
- C
- C
All ZIP Codes in Gallatin County
14 ZIP codes tracked in Gallatin County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 59715 | Bozeman | 66 | C | 3 | $755K |
| 2 | 59716 | Big Sky | 66 | C | 1 | $869K |
| 3 | 59718 | Bozeman | 66 | C | 1 | $580K |
| 4 | 59714 | Belgrade | 63 | C | 10 | $490K |
| 5 | 59717 | Bozeman | — | — | — | |
| 6 | 59719 | Bozeman | — | — | — | |
| 7 | 59730 | Gallatin Gateway | — | — | 1 | $818K |
| 8 | 59741 | Manhattan | — | — | $562K | |
| 9 | 59752 | Three Forks | — | — | $427K | |
| 10 | 59758 | West Yellowstone | — | — | $477K | |
| 11 | 59760 | Willow Creek | — | — | $239K | |
| 12 | 59771 | Bozeman | — | — | — | |
| 13 | 59772 | Bozeman | — | — | — | |
| 14 | 59773 | Bozeman | — | — | — |
Recommended Buyer Guides for Gallatin County
These buyer guides are matched by rule rather than by hand - a PFAS record adds a PFAS filter guide, a lead action-level exceedance adds lead filter guides, a high share of pre-1978 homes adds lead paint test kits, EPA Radon Zone 1 add radon kits, and a top flood or wildfire risk adds related equipment.
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Gallatin County, Montana
Overview
Gallatin County in Montana covers 14 tracked ZIP records with an average Home Safety Score of C (65/100) across 4 scored records.
5 of 5 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. The available record reports no health-based violations for this measured scope.
← Back to Montana Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.