Washington, IN Housing Market Forecast — September 2026
Typical home value $242,746 as of August 2026 · Neutral
Blue: typical Washington home value (Zillow ZHVI, smoothed and seasonally adjusted), last 10 years. Amber dash: forecast path through September 2027; dotted lines mark the 80% confidence range, which widens with the horizon.
Why the model sees it this way
Sialim's model forecasts the typical Washington home value will rise 0.6% in September 2026, from $242,746 to about $244,127. The 80% confidence range runs from $243,748 to $244,551.
Prices rose an average of 0.56% per month over the past three months, and the market is up 8.6% from a year ago.
The 30-year mortgage rate sits near 6.7% (restrictive for affordability); for-sale inventory is about even with a year ago (+1%); national unemployment is 4.1%. These conditions feed into this metro's forecast, since the macro-augmented model beat the price-only model in backtesting here.
Over the most recent six-month test window, this model's predictions for Washington were off by 0.4% on average. Smaller is better; anything under 1% is strong for monthly home values.
How this compares with Zillow's forecast
| Horizon | Sialim | Zillow's forecast |
|---|---|---|
| Next month | +0.57% | +0.50% |
| Three months | +2.28% | +1.00% |
| Twelve months | +7.17% | +1.90% |
Both forecasts point the same direction for Washington over the next twelve months. Zillow forecast © Zillow, shown for comparison; horizons are aligned to the nearest published month. Agreement or disagreement between the two models is a useful signal either way.
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Frequently asked questions
What is the Washington home value forecast for September 2026?
$244,127, a +0.57% change from the latest value of $242,746. The 80% confidence range is $243,748 to $244,551.
Is the Washington housing market cooling or heating up?
Sialim classifies Washington as "Neutral". No strong signal in either direction right now.
What is the Washington home price forecast for 2027?
Sialim's model projects $260,158 by September 2027, a +7.17% change from today's $242,746. The 80% range is $254,142 to $267,181; year-ahead forecasts carry much wider uncertainty than next-month calls.
How accurate is this forecast?
Over the most recent six-month test window, this model's Washington predictions were off by 0.4% on average.
Model details
Forecasts come from Sialim's proprietary forecasting engine, which runs several competing model specifications for every metro, backtests them against what actually happened, and publishes the winner for each horizon. Trained on 176 monthly observations (2012-01-31 to 2026-08-31). This metro's market heat index reads 36, with 0.3% of listings showing a price cut. See the methodology for how forecasts are built, and the ZHVI guide for what the underlying index measures.
Forecasts are model output, not advice. Data: Zillow ZHVI (© Zillow), Freddie Mac via FRED, US Bureau of Labor Statistics via FRED.