ZIP Code 08559 Housing Market

📝 Local Market Notes

The housing market in ZIP code 08559 exhibits a robust upward trajectory, with the FHFA Home Price Index rising from 164.99 in 2021 to 248.34 in 2025. This four-year period reflects a cumulative appreciation of approximately 50%, indicating sustained demand and limited inventory relative to buyer interest. The most recent annual increase of 10.96% underscores the continued momentum in this specific geographic area, outpacing broader regional trends. This performance signals a significant divergence from both the county and state averages. While Hunterdon County recorded a 6.32% year-over-year gain and the state of New Jersey grew by 4.53%, ZIP 08559’s 10.96% increase suggests localized factors are driving premium pricing. This outperformance relative to neighboring ZIPs, such as 08889 (6.95%) and 08829 (8.53%), indicates that 08559 is experiencing a distinct micro-market surge, likely due to specific local amenities or demographic shifts that are not fully captured by county-wide metrics. Based on the parent county’s median home value of $517,200 and median household income of $141,715, this sub-market aligns with an upper-middle-class, owner-occupied community. The 85.1% owner occupancy rate further confirms a stable, residential character rather than a renter-heavy or entry-level segment. For prospective buyers, the primary consideration is the rapid pace of appreciation. With the national 30-year mortgage rate fixed at 7.40%, the high entry price combined with aggressive price growth requires careful budgeting. Residents should anticipate that purchasing power in 08559 is eroding quickly, making timing a critical factor in securing a property at a competitive valuation.

Based on FHFA House Price Index data.