ZIP Code Market Report
59931 — Proctor, MT
Data through February 2026 · Updated monthly
Avg Home Value
$1,132,014
▼ 1.5% year-over-year
Month-over-Month
-0.7%
▼ 0.7%
Single Family
$1,125,093
Condo / Co-op
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The average home value in the 59931 ZIP code (Proctor, MONTANA) is $1,132,014 as of February 2026. Home prices are declining, down 1.5% compared to last year.
The market in 59931 has a $1,499,211 spread between bottom-tier homes at $585,090 and top-tier homes at $2,084,301. Bottom-tier properties represent the primary opportunity range for real estate investors using the 70% rule, fix-and-flip, or BRRRR strategies.
This report is part of the Lake County market area in MONTANA. For a broader view of the housing market including rent data, market activity, and affordability analysis, see the full Lake County report.
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Market Snapshot
59931 Housing Market at a Glance
Key metrics for the last 3 months with trend direction.
| Metric | Dec 2025 | Jan 2026 | Feb 2026 | 3-Mo Change |
|---|---|---|---|---|
| Avg Home Value | $1,146,830 | $1,140,390 | $1,132,014 | ▼ 1.3% |
| Single Family Value | $1,117,478 | $1,118,174 | $1,125,093 | ▲ 0.7% |
Home Values
59931 Home Value Trend
Historical home values for ZIP code 59931. Switch between All Homes, Single Family, Bottom Tier, and Top Tier.
Source: Zillow Research ZHVI / ZORI · Updated monthly
Property Types
Home Values by Property Type in 59931
How different property types compare in this ZIP code.
All Homes
$1,132,014
Single Family
$1,125,093
Bottom Tier
$585,090
Top Tier
$2,084,301
Data Sources and Methodology
Home value data for ZIP code 59931 comes from the Zillow Home Value Index (ZHVI), updated monthly. ZHVI measures the typical home value using Zillow's automated valuation model, smoothed and seasonally adjusted.
This report was last updated February 2026. Data is refreshed on the 17th of each month.
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