ZIP Code Market Report
78118 — Karnes City, TX
Data through February 2026 · Updated monthly
Avg Home Value
$189,233
▲ 3.2% year-over-year
Month-over-Month
-0.6%
▼ 0.6%
Single Family
$186,366
Condo / Co-op
--
The average home value in the 78118 ZIP code (Karnes City, TEXAS) is $189,233 as of February 2026. Home prices are rising, up 3.2% compared to last year.
The market in 78118 has a $367,343 spread between bottom-tier homes at $107,859 and top-tier homes at $475,202. 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 Karnes County market area in TEXAS. For a broader view of the housing market including rent data, market activity, and affordability analysis, see the full Karnes County report.
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Market Snapshot
78118 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 | $190,883 | $190,429 | $189,233 | ▼ 0.9% |
| Single Family Value | $179,411 | $183,291 | $186,366 | ▲ 3.9% |
Home Values
78118 Home Value Trend
Historical home values for ZIP code 78118. 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 78118
How different property types compare in this ZIP code.
All Homes
$189,233
Single Family
$186,366
Bottom Tier
$107,859
Top Tier
$475,202
Data Sources and Methodology
Home value data for ZIP code 78118 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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