Active Listings
6
— vs 6 last year
Data as of September 2026. Source: Realtor.com.
The ALTON, IA real estate market (51003) currently shows 6 active listings, with 2 pending sales. Homes are averaging 16 days on the market before going under contract.
Inventory levels are unchanged compared to last year.
Homes are selling faster, averaging 16 days on market compared to 88 days last year.
The median listing price has fallen 23.4% year-over-year, from $417,000 to $319,500.
Population: 1,761 · Density: 12.5/mi² · Median household income: $85,536
Typical home value: $215,886 · Homeownership: 88.4%
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 51003 | Alton, IA 51003 | 0.0 mi | 5 | $1,453,000 | $300,000 | $290,600 |
| 51022 | Granville, IA 51022 | 7.0 mi | 3 | $1,076,499 | $265,000 | $358,833 |
| 51036 | Maurice, IA 51036 | 10.3 mi | 2 | $523,000 | $261,500 | $261,500 |
| 51250 | Sioux Center, IA 51250 | 13.4 mi | 22 | $10,069,136 | $433,750 | $457,688 |
| 51231 | Archer, IA 51231 | 15.0 mi | 1 | $429,000 | $429,000 | $429,000 |
| 51046 | Paullina, IA 51046 | 15.6 mi | 3 | $582,120 | $156,975 | $194,040 |
| 51035 | Marcus, IA 51035 | 16.9 mi | 3 | $662,376 | $192,475 | $220,792 |
| 51027 | Ireton, IA 51027 | 17.3 mi | 2 | $458,000 | $229,000 | $229,000 |
| 51037 | Meriden, IA 51037 | 20.6 mi | 1 | $268,500 | $268,500 | $268,500 |
| 51248 | Sanborn, IA 51248 | 22.5 mi | 7 | $2,294,033 | $371,250 | $327,719 |
| 51232 | Ashton, IA 51232 | 23.5 mi | 1 | $159,000 | $159,000 | $159,000 |
| 51023 | Hawarden, IA 51023 | 24.4 mi | 7 | $2,272,200 | $230,725 | $324,600 |
| 51038 | Merrill, IA 51038 | 25.5 mi | 3 | $837,624 | $307,125 | $279,208 |
As of September 2026, there are 6 active listings in ALTON, IA (zip code 51003), compared to 6 the prior year.
The median listing price in ALTON, IA 51003 is $319,500 as of September 2026, a 23.4% decrease from $417,000 the prior year.
Homes in ALTON, IA 51003 spend an average of 16 days on the market before going under contract, compared to 88 days the prior year.
Based on current inventory and days-on-market data as of September 2026, ALTON, IA 51003 is currently a Balanced Market. Inventory levels are unchanged compared to last year. Homes are selling faster, averaging 16 days on market compared to 88 days last year.
With SELL123.com's maximum 3% commission, sellers in ALTON, IA 51003 save an estimated $6,390 compared to a typical 5% commission on the median listing price of $319,500. Our fee structure: 1% listing + 2% selling broker — no additional buyer or seller fees. Call (240) SELL-123 or email info@SELL123.com for a free consultation.