ZIP Code 12839 Housing Market

📝 Local Market Notes

The housing market in ZIP 12839, located in Warren County, New York, exhibits a dynamic and accelerating price trajectory over the past five years. The Home Price Index (HPI) rose from 216.57 in 2021 to 307.11 in 2025, representing a substantial cumulative gain. Notably, the index dipped slightly in 2024 to 277.37 before surging in 2025, indicating a recent sharp correction followed by aggressive appreciation. This volatility suggests a market responding to localized supply constraints or shifting demand patterns rather than steady, linear growth. Compared to broader regional metrics, ZIP 12839 is outpacing both its county and state counterparts. The ZIP’s year-over-year increase of +10.72% exceeds the Warren County average of +10.47% and significantly surpasses the New York State average of +3.55%. This divergence signals that 12839 is a high-growth sub-market within a generally stable county. While nearby ZIPs such as 12845 show minimal growth at +0.45%, 12839’s performance aligns more closely with the rapid appreciation seen in ZIP 12801 (+9.65%), suggesting a cluster of high-demand areas within the county. Contextualizing this growth with Warren County’s median home value of $267,400 and median household income of $78,442, ZIP 12839 appears to be an entry-level to mid-tier market experiencing rapid capitalization. The high owner-occupancy rate of 72.1% supports a stable residential base, yet the HPI level of 307.1 indicates that home values have tripled since the 2000 baseline. For prospective buyers, the current 30-year mortgage rate of 7.40% combined with double-digit annual appreciation creates a challenging affordability environment. Residents and investors should recognize that while the area offers strong equity growth, the pace of price increases in 12839 is outstripping regional income growth, potentially limiting future buyer pools.

Based on FHFA House Price Index data.