Unshakable ZIP Data 98178 | Bryn Mawr-Skyway, WA Housing Market
Bryn Mawr-Skyway · King County · Seattle-Tacoma-Bellevue, WA metro · Washington · Data updated June 19, 2026
The median sale price in ZIP 98178, Bryn Mawr-Skyway, Washington is $692,294 at $375 per square foot. 62 single-family homes sold in the latest period, up 1.3 percent from a year earlier. Homes sit a median of 9 days on market with 3.2 months of supply. Sellers are getting 99.7 percent of list price and 33.3 percent of homes sold above asking.
Balanced market.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $674,667 | |
| Average price per sq ft | $366 | |
| Median sale price | $692,294 | |
| Median sale price per sq ft | $375 | |
| Median home size | 1,845 sq ft | |
| Median new listing price | $694,066 | -0.4% |
| National size rank | 4,599 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| Homes sold | 62 | +1.3% |
| Median days on market | 9 days | |
| Months of supply | 3.2 months | |
| New listings | 95 | -11.6% |
| Active listings | 140 | -6.8% |
| Pending sales | 72 | +1.4% |
Pricing power
| Metric | Value | Year over year |
|---|---|---|
| Average sale-to-list ratio | 99.7% | -2.6 pts |
| Share sold above list | 33.3% | -9.3 pts |
Bedroom value anchors
Average values by bedroom count. Value anchors for orientation, not appraisals.
1-bedroom
$392,862
2-bedroom
$512,397
3-bedroom
$645,691
4-bedroom
$739,963
5-bedroom
$826,789
These figures describe the single-family market for Bryn Mawr-Skyway, Washington ZIP 98178. They are market context, not a substitute for sold comps or a formal appraisal.