Updated May 2026 · Redfin · 3-month window
51331 Real Estate Market Update: Arnolds Park, IA, May 2026
The latest housing-market numbers for ZIP code 51331 in Arnolds Park, Iowa, for May 2026: a $490K median sale price, straight from the Redfin Data Center. ZIP-level figures are a rolling three-month window.
| Metric | Value | MoM | YoY |
|---|---|---|---|
| Median sale price | $490K | ▲ +8.9% | ▼ -15.1% |
| Days on market | 63 | ▲ +8.6% | ▼ -42.2% |
| Homes for sale | 47 | ▼ -14.5% | ▲ +11.9% |
| Sale-to-list | 96.6% | ▲ +1.3% | ▼ -1.7% |
| Homes sold | 28 | ▲ +55.6% | ▼ -15.2% |
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 51331 numbers say
The 51331 ZIP in Arnolds Park is cooling. The median sale price sits at $490,000, 15.1% below last year. The market has loosened: a typical listing now takes around 63 days to go under contract, with sellers getting 96.6% of list price.
Based on 28 recent sales, 51331 is currently an active market.
What this means if you sell in 51331
Use these figures to set expectations early with each client. Lead a listing appointment with the $490K median price and the 63-day pace, show the year-over-year direction, and frame 51331 as an active market. A buyer or seller client trusts an agent who knows their exact ZIP, not just the metro average.
How we track the 51331 market
We built LOKAL to pull 51331's numbers straight from the Redfin Data Center, so an agent and a client read from the same source. For May 2026 we recorded a $490K median sale price, -15.1% year over year, a 96.6% sale-to-list ratio and a +8.9% month-over-month move across 28 recorded sales. That compares with roughly $577K a year earlier, in 2025. We refresh every ZIP monthly and only publish once a ZIP clears at least 20 recorded sales for the period, so the median stays reliable instead of noisy. Redfin has published ZIP-level market data monthly since 2020, which is what lets us show month-over-month and year-over-year change here in 2026. LOKAL is independent and not affiliated with Redfin; always verify against your MLS before you publish.
ZIP-code areas follow U.S. Postal Service boundaries; for complementary demographics on 51331 — population, median household income, owner-occupancy — see the U.S. Census Bureau profile for this ZIP Code Tabulation Area. LOKAL covers price and pace; the Census covers who lives there.
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Build the Arnolds Park post →Frequently asked: the 51331 housing market
- What is the median home price in ZIP 51331 (Arnolds Park, IA)?
- As of May 2026, the median sale price in ZIP 51331 is $490,000 (-15.1% year over year), per the Redfin Data Center. Figures are a rolling 3-month window for this ZIP code.
- Is ZIP 51331 a buyer's or seller's market right now?
- ZIP 51331 is currently an active market, based on a 96.6% sale-to-list ratio, about 63 days on market for May 2026.
- How long do homes take to sell in ZIP 51331?
- A typical listing in 51331 goes under contract in about 63 days as of May 2026. Always verify against your local MLS before quoting figures to clients.
- Where does this 51331 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.