Population: 25,464 · Density: 1,540.4/mi² · Median household income: $190,985
Typical home value: $1,677,460 · Homeownership: 68.0%
Data as of January 2026. Source: Realtor.com.
The MERCER ISLAND, WA real estate market (98040) currently shows 35 active listings, with 7 pending sales. Homes are averaging 96 days on the market before going under contract.
Inventory has increased compared to last year, with 10 more homes available — giving buyers more choice.
Homes are selling faster, averaging 96 days on market compared to 107 days last year.
The median listing price has fallen 1.6% year-over-year, from $3,450,000 to $3,395,000.
Whether you are buying or selling in MERCER ISLAND, WA, SELL123.com can help you save significantly on commission — typically 2% compared to traditional 5% broker fees. Call (240) SELL-123 for a free consultation.
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 98040 | Mercer Island, WA 98040 | 0.0 mi | 35 | $179,184,565 | $3,395,000 | $5,119,559 |
| 98144 | Seattle, WA 98144 | 3.1 mi | 83 | $62,686,580 | $699,000 | $755,260 |
| 98006 | Bellevue, WA 98006 | 3.9 mi | 49 | $103,341,392 | $1,792,500 | $2,109,008 |
| 98056 | Renton, WA 98056 | 4.2 mi | 79 | $87,993,360 | $839,475 | $1,113,840 |
| 98005 | Bellevue, WA 98005 | 4.5 mi | 48 | $90,889,344 | $1,546,500 | $1,893,528 |
| 98178 | Seattle, WA 98178 | 4.7 mi | 71 | $59,644,402 | $707,450 | $840,062 |
| 98104 | Seattle, WA 98104 | 5.1 mi | 60 | $50,615,940 | $499,950 | $843,599 |
| 98007 | Bellevue, WA 98007 | 5.3 mi | 37 | $37,822,177 | $524,900 | $1,022,221 |
| 98101 | Seattle, WA 98101 | 5.7 mi | 84 | $107,583,168 | $680,000 | $1,280,752 |
| 98008 | Bellevue, WA 98008 | 6.2 mi | 38 | $71,188,820 | $1,640,000 | $1,873,390 |
| 98121 | Seattle, WA 98121 | 6.3 mi | 109 | $86,444,630 | $593,500 | $793,070 |
| 98057 | Renton, WA 98057 | 6.5 mi | 19 | $9,818,383 | $455,000 | $516,757 |
| 98109 | Seattle, WA 98109 | 6.9 mi | 83 | $66,077,047 | $662,000 | $796,109 |
As of January 2026, there are 35 active listings in MERCER ISLAND, WA (zip code 98040), compared to 25 the prior year.
The median listing price in MERCER ISLAND, WA 98040 is $3,395,000 as of January 2026, a 1.6% decrease from $3,450,000 the prior year.
Homes in MERCER ISLAND, WA 98040 spend an average of 96 days on the market before going under contract, compared to 107 days the prior year.
Based on current inventory and days-on-market data as of January 2026, MERCER ISLAND, WA 98040 is currently a Balanced Market. Inventory has increased compared to last year, with 10 more homes available — giving buyers more choice. Homes are selling faster, averaging 96 days on market compared to 107 days last year.
With SELL123.com's maximum 3% commission, sellers in MERCER ISLAND, WA 98040 save an estimated $67,900 compared to a typical 5% commission on the median listing price of $3,395,000. 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.