Unshakable ZIP Data 98240 | Custer, WA Housing Market
Custer · Whatcom County · Bellingham, WA metro · Washington · Data updated June 19, 2026
The median sale price in ZIP 98240, Custer, Washington is $636,811 at $335 per square foot. 8 single-family homes sold in the latest period, up 64.7 percent from a year earlier. Homes sit a median of 15 days on market with 2.8 months of supply. Sellers are getting 98.9 percent of list price and 25.0 percent of homes sold above asking.
Seller's market. No room for sloppy offers.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $667,021 | |
| Average price per sq ft | $351 | |
| Median sale price | $636,811 | |
| Median sale price per sq ft | $335 | |
| Median home size | 1,901 sq ft | |
| Median new listing price | $832,880 | -16.2% |
| National size rank | 16,495 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| Homes sold | 8 | +64.7% |
| Median days on market | 15 days | |
| Months of supply | 2.8 months | |
| New listings | 13 | +65.0% |
| Active listings | 15 | +89.9% |
| Pending sales | 7 | +41.9% |
Pricing power
| Metric | Value | Year over year |
|---|---|---|
| Average sale-to-list ratio | 98.9% | -1.0 pts |
| Share sold above list | 25.0% | +5.0 pts |
Bedroom value anchors
Average values by bedroom count. Value anchors for orientation, not appraisals.
2-bedroom
$538,884
3-bedroom
$675,952
4-bedroom
$791,200
These figures describe the single-family market for Custer, Washington ZIP 98240. They are market context, not a substitute for sold comps or a formal appraisal.