Updated May 2026 · Redfin · 3-month window
18104 Real Estate Market Update: Allentown, PA, May 2026
The latest housing-market numbers for ZIP code 18104 in Allentown, Pennsylvania, for May 2026, from the Redfin Data Center. ZIP-level figures are a rolling three-month window.
| Metric | Value | MoM | YoY |
|---|---|---|---|
| Median sale price | $379K | ▲ +3.7% | ▼ -0.9% |
| Days on market | 8 | ▼ -11.1% | • 0.0% |
| Homes for sale | 38 | ▲ +5.6% | ▼ -9.5% |
| Sale-to-list | 101.0% | ▲ +0.6% | ▼ -1.2% |
| Homes sold | 109 | ▲ +18.5% | ▼ -10.7% |
Figures from the Redfin Data Center ZIP-code tracker (rolling 3-month window, not seasonally adjusted). Verify against your MLS before posting. Not a valuation for a specific home.
What the 18104 numbers say
The 18104 ZIP in Allentown is leveling off. The median sale price is $379,000, roughly flat year over year. Homes here move fast: a typical listing goes under contract in about 8 days, and sellers are getting 101.0% of list price.
Based on 109 recent sales, 18104 is currently an active market.
What this means if you sell in 18104
Use these figures to set expectations early. Lead a listing appointment with the median price and the 8-day pace, show the year-over-year direction, and frame 18104 as an active market. Buyers and sellers trust an agent who knows their exact ZIP, not just the metro average.
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Build the Allentown post →Frequently asked: the 18104 housing market
- What is the median home price in ZIP 18104 (Allentown, PA)?
- As of May 2026, the median sale price in ZIP 18104 is $379,000 (-0.9% year over year), per the Redfin Data Center. Figures are a rolling 3-month window for this ZIP code.
- Is ZIP 18104 a buyer's or seller's market right now?
- ZIP 18104 is currently an active market, based on a 101.0% sale-to-list ratio, about 8 days on market for May 2026.
- How long do homes take to sell in ZIP 18104?
- A typical listing in 18104 goes under contract in about 8 days as of May 2026. Always verify against your local MLS before quoting figures to clients.
- Where does this 18104 market data come from?
- All figures come from the Redfin Data Center ZIP-code market tracker, a rolling 3-month window refreshed monthly. LOKAL turns them into a ready-to-post carousel, story and square graphic. LOKAL is not affiliated with Redfin.
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Data: Redfin · Redfin Data Center (ZIP-code market tracker). Figures are a ZIP-level 3-month snapshot, not a valuation for a specific home.