Summary answer: If you own a condo, this is likely reflecting a real market trend, not an error — Arlington's condo segment saw a genuine 7.4% price decline in 2025, and the Zillow Home Value Index for Arlington overall is down slightly (about 0.6%) over the past year. If you own a single-family home, a drop is more likely to be a data lag or algorithm quirk, since that segment has actually been appreciating, not declining.
I'm Johnny with JQ Real Estate. Let me break down what's really behind this, because the answer genuinely differs by property type.
What the current data actually shows
| Property Type | Recent Trend | Likely Explanation for a Drop |
|---|---|---|
| Condo | -7.4% in 2025, modest +2.1% recovery projected for 2026 | Real market softening — the estimate is likely accurate |
| Single-family | +3.8% projected for 2026 | Likely an algorithm quirk, data lag, or comp mismatch — worth double-checking |
Why automated estimates can be unreliable, especially right now
Zillow's Zestimate and similar tools use public records and broad algorithms — they don't know about your specific renovations, they can misjudge condition, and they can be slow to catch fast-moving trend reversals like the recent condo correction and early recovery. A tool built on trailing data can lag behind a segment moving quickly in either direction.
What to actually do if your estimate dropped
- Check which property type you own — this alone explains most of the confusion, since condo and single-family trends have diverged sharply
- Get a real comparative market analysis — this pulls actual recent comparable sales and adjusts for your home's specific features, rather than relying on a broad algorithm
- Don't panic or make a selling decision based on an automated number alone — these tools are a starting point for curiosity, not a reliable basis for pricing a real listing
What this means if you're actually considering selling
If you own a condo and are weighing whether to sell now or wait, understanding whether the 2025 decline has genuinely bottomed out matters more than any single estimate. If you own a single-family home, an accurate CMA will likely show you're in a stronger position than a lagging automated estimate suggests.
Get an accurate number, not an automated guess
I can pull real, current comparable sales for your specific property and tell you honestly where you actually stand — condo or single-family. Reach out and let's get you a real answer.